| SEQN | Respondent sequence number. | UCFLOW_J | Urine Flow Rate | 2017 | 2018 | Laboratory | None |
| URDFLOW1 | Urine #1 Flow Rate (mL/min) | UCFLOW_J | Urine Flow Rate | 2017 | 2018 | Laboratory | None |
| URDFLOW2 | Urine #2 Flow Rate (mL/min) | UCFLOW_J | Urine Flow Rate | 2017 | 2018 | Laboratory | None |
| URDFLOW3 | Urine #3 Flow Rate (mL/min) | UCFLOW_J | Urine Flow Rate | 2017 | 2018 | Laboratory | None |
| URDTIME1 | The time between last urination and the first urine sample collection in minutes | UCFLOW_J | Urine Flow Rate | 2017 | 2018 | Laboratory | None |
| URDTIME2 | The time between the first and second urine sample collections in minutes | UCFLOW_J | Urine Flow Rate | 2017 | 2018 | Laboratory | None |
| URDTIME3 | The time between the second and third urine sample collections in minutes | UCFLOW_J | Urine Flow Rate | 2017 | 2018 | Laboratory | None |
| URXVOL1 | The volume of urine collection #1 (mL) | UCFLOW_J | Urine Flow Rate | 2017 | 2018 | Laboratory | None |
| URXVOL2 | The volume of urine collection #2 (mL) | UCFLOW_J | Urine Flow Rate | 2017 | 2018 | Laboratory | None |
| URXVOL3 | The volume of urine collection #3 (mL) | UCFLOW_J | Urine Flow Rate | 2017 | 2018 | Laboratory | None |
| PHAALCHR | The time (in hours) the examinee last drank alcohol such as beer, wine, or liquor. | FASTQX_J | Fasting Questionnaire | 2017 | 2018 | Laboratory | None |
| PHAALCMN | The time (in minutes) the examinee last drank alcohol such as beer, wine, or liquor. | FASTQX_J | Fasting Questionnaire | 2017 | 2018 | Laboratory | None |
| PHAANTHR | The time (in hours) the examinee last had antacids, laxatives or anti-diarrheals. | FASTQX_J | Fasting Questionnaire | 2017 | 2018 | Laboratory | None |
| PHAANTMN | The time (in minutes) the examinee last had antacids, laxatives or anti-diarrheals. | FASTQX_J | Fasting Questionnaire | 2017 | 2018 | Laboratory | None |
| PHACOFHR | The time (in hours) since the examinee last drank coffee or tea with cream or sugar. | FASTQX_J | Fasting Questionnaire | 2017 | 2018 | Laboratory | None |
| PHACOFMN | The time (in minutes) since the examinee last drank coffee or tea with cream or sugar. | FASTQX_J | Fasting Questionnaire | 2017 | 2018 | Laboratory | None |
| PHAFSTHR | The time (in hours) between when the examinee last ate or drank anything other than water and the time of the venipuncture. | FASTQX_J | Fasting Questionnaire | 2017 | 2018 | Laboratory | None |
| PHAFSTMN | The time (in minutes) between when the examinee last ate or drank anything other than water and the time of the venipuncture. | FASTQX_J | Fasting Questionnaire | 2017 | 2018 | Laboratory | None |
| PHAGUMHR | The time (in hours) the examinee last had gum, breath mints, lozenges or cough drops, or other cough or cold remedies. | FASTQX_J | Fasting Questionnaire | 2017 | 2018 | Laboratory | None |
| PHAGUMMN | The time (in minutes) the examinee last had gum, breath mints, lozenges or cough drops, or other cough or cold remedies. | FASTQX_J | Fasting Questionnaire | 2017 | 2018 | Laboratory | None |
| PHASUPHR | The time (in hours) the examinee last had dietary supplements such as vitamins and minerals. | FASTQX_J | Fasting Questionnaire | 2017 | 2018 | Laboratory | None |
| PHASUPMN | The time (in minutes) the examinee last had dietary supplements such as vitamins and minerals. | FASTQX_J | Fasting Questionnaire | 2017 | 2018 | Laboratory | None |
| PHDSESN | Session in which SP was examined | FASTQX_J | Fasting Questionnaire | 2017 | 2018 | Laboratory | None |
| PHQ020 | Coffee or tea with cream or sugar? [Include milk or non-dairy creamers.] | FASTQX_J | Fasting Questionnaire | 2017 | 2018 | Laboratory | None |
| PHQ030 | Alcohol, such as beer, wine, or liquor? | FASTQX_J | Fasting Questionnaire | 2017 | 2018 | Laboratory | None |
| PHQ040 | Gum, breath mints, lozenges or cough drops, or other cough or cold remedies? | FASTQX_J | Fasting Questionnaire | 2017 | 2018 | Laboratory | None |
| PHQ050 | Antacids, laxatives, or anti-diarrheals? | FASTQX_J | Fasting Questionnaire | 2017 | 2018 | Laboratory | None |
| PHQ060 | Dietary supplements such as vitamins and minerals? [Include multivitamins and single nutrient supplements.] | FASTQX_J | Fasting Questionnaire | 2017 | 2018 | Laboratory | None |
| SEQN | Respondent sequence number. | FASTQX_J | Fasting Questionnaire | 2017 | 2018 | Laboratory | None |
| LBXGH | Glycohemoglobin (%) | GHB_J | Glycohemoglobin | 2017 | 2018 | Laboratory | None |
| SEQN | Respondent sequence number. | GHB_J | Glycohemoglobin | 2017 | 2018 | Laboratory | None |
| SEQN | Respondent sequence number. | ALB_CR_J | Albumin & Creatinine - Urine | 2017 | 2018 | Laboratory | None |
| URDACT | Albumin creatinine ratio (mg/g) | ALB_CR_J | Albumin & Creatinine - Urine | 2017 | 2018 | Laboratory | None |
| URDUCRLC | Creatinine, urine comment code | ALB_CR_J | Albumin & Creatinine - Urine | 2017 | 2018 | Laboratory | None |
| URDUMALC | Albumin, urine comment code | ALB_CR_J | Albumin & Creatinine - Urine | 2017 | 2018 | Laboratory | None |
| URXCRS | Creatinine, urine (umol/L) | ALB_CR_J | Albumin & Creatinine - Urine | 2017 | 2018 | Laboratory | None |
| URXUCR | Creatinine, urine (mg/dL) | ALB_CR_J | Albumin & Creatinine - Urine | 2017 | 2018 | Laboratory | None |
| URXUMA | Albumin, urine (ug/mL) | ALB_CR_J | Albumin & Creatinine - Urine | 2017 | 2018 | Laboratory | None |
| URXUMS | Albumin, urine (mg/L) | ALB_CR_J | Albumin & Creatinine - Urine | 2017 | 2018 | Laboratory | None |
| SEQN | Respondent sequence number. | UCPREG_J | Urine Pregnancy Test | 2017 | 2018 | Laboratory | None |
| URXPREG | Urine Pregnancy Result | UCPREG_J | Urine Pregnancy Test | 2017 | 2018 | Laboratory | None |
| LBXHIV1 | HIV-1 antibody | HIV_J | HIV Antibody Test | 2017 | 2018 | Laboratory | None |
| LBXHIV2 | HIV-2 antibody | HIV_J | HIV Antibody Test | 2017 | 2018 | Laboratory | None |
| LBXHIVC | HIV-1, 2 Combo Test | HIV_J | HIV Antibody Test | 2017 | 2018 | Laboratory | None |
| LBXHNAT | HIV Confirmatory Test | HIV_J | HIV Antibody Test | 2017 | 2018 | Laboratory | None |
| SEQN | Respondent sequence number | HIV_J | HIV Antibody Test | 2017 | 2018 | Laboratory | None |
| LBXHA | Hepatitis A antibody | HEPA_J | Hepatitis A | 2017 | 2018 | Laboratory | None |
| SEQN | Respondent sequence number | HEPA_J | Hepatitis A | 2017 | 2018 | Laboratory | None |
| LBXHBS | Hepatitis B Surface Antibody | HEPB_S_J | Hepatitis B: Surface Antibody | 2017 | 2018 | Laboratory | None |
| SEQN | Respondent sequence number | HEPB_S_J | Hepatitis B: Surface Antibody | 2017 | 2018 | Laboratory | None |
| LBDHBG | Hepatitis B surface antigen | HEPBD_J | Hepatitis B: Core antibody, Surface antigen, and Hepatitis D antibody | 2017 | 2018 | Laboratory | None |
| LBDHD | Hepatitis D antibody (anti-HDV) | HEPBD_J | Hepatitis B: Core antibody, Surface antigen, and Hepatitis D antibody | 2017 | 2018 | Laboratory | None |
| LBXHBC | Hepatitis B core antibody | HEPBD_J | Hepatitis B: Core antibody, Surface antigen, and Hepatitis D antibody | 2017 | 2018 | Laboratory | None |
| SEQN | Respondent sequence number | HEPBD_J | Hepatitis B: Core antibody, Surface antigen, and Hepatitis D antibody | 2017 | 2018 | Laboratory | None |
| LBDHCI | Hepatitis C Antibody (confirmed) | HEPC_J | Hepatitis C: RNA (HCV-RNA), Confirmed Antibody (INNO-LIA), & Genotype | 2017 | 2018 | Laboratory | None |
| LBXHCG | Hepatitis C Genotype | HEPC_J | Hepatitis C: RNA (HCV-RNA), Confirmed Antibody (INNO-LIA), & Genotype | 2017 | 2018 | Laboratory | None |
| LBXHCR | Hepatitis C RNA | HEPC_J | Hepatitis C: RNA (HCV-RNA), Confirmed Antibody (INNO-LIA), & Genotype | 2017 | 2018 | Laboratory | None |
| SEQN | Respondent sequence number. | HEPC_J | Hepatitis C: RNA (HCV-RNA), Confirmed Antibody (INNO-LIA), & Genotype | 2017 | 2018 | Laboratory | None |
| LBDHEG | Hepatitis E IgG (anti-HEV) | HEPE_J | Hepatitis E: IgG & IgM Antibodies | 2017 | 2018 | Laboratory | None |
| LBDHEM | Hepatitis E IgM (anti-HEV) | HEPE_J | Hepatitis E: IgG & IgM Antibodies | 2017 | 2018 | Laboratory | None |
| SEQN | Respondent sequence number | HEPE_J | Hepatitis E: IgG & IgM Antibodies | 2017 | 2018 | Laboratory | None |
| LBDBANO | Basophils number (1000 cells/uL) | CBC_J | Complete Blood Count with 5-Part Differential | 2017 | 2018 | Laboratory | None |
| LBDEONO | Eosinophils number (1000 cells/uL) | CBC_J | Complete Blood Count with 5-Part Differential | 2017 | 2018 | Laboratory | None |
| LBDLYMNO | Lymphocyte number (1000 cells/uL) | CBC_J | Complete Blood Count with 5-Part Differential | 2017 | 2018 | Laboratory | None |
| LBDMONO | Monocyte number (1000 cells/uL) | CBC_J | Complete Blood Count with 5-Part Differential | 2017 | 2018 | Laboratory | None |
| LBDNENO | Segmented neutrophils number (1000 cell/uL) | CBC_J | Complete Blood Count with 5-Part Differential | 2017 | 2018 | Laboratory | None |
| LBXBAPCT | Basophils percent (%) | CBC_J | Complete Blood Count with 5-Part Differential | 2017 | 2018 | Laboratory | None |
| LBXEOPCT | Eosinophils percent (%) | CBC_J | Complete Blood Count with 5-Part Differential | 2017 | 2018 | Laboratory | None |
| LBXHCT | Hematocrit (%) | CBC_J | Complete Blood Count with 5-Part Differential | 2017 | 2018 | Laboratory | None |
| LBXHGB | Hemoglobin (g/dL) | CBC_J | Complete Blood Count with 5-Part Differential | 2017 | 2018 | Laboratory | None |
| LBXLYPCT | Lymphocyte percent (%) | CBC_J | Complete Blood Count with 5-Part Differential | 2017 | 2018 | Laboratory | None |
| LBXMC | Mean cell hemoglobin concentration (g/dL) | CBC_J | Complete Blood Count with 5-Part Differential | 2017 | 2018 | Laboratory | None |
| LBXMCHSI | Mean cell hemoglobin (pg) | CBC_J | Complete Blood Count with 5-Part Differential | 2017 | 2018 | Laboratory | None |
| LBXMCVSI | Mean cell volume (fL) | CBC_J | Complete Blood Count with 5-Part Differential | 2017 | 2018 | Laboratory | None |
| LBXMOPCT | Monocyte percent (%) | CBC_J | Complete Blood Count with 5-Part Differential | 2017 | 2018 | Laboratory | None |
| LBXMPSI | Mean platelet volume (fL) | CBC_J | Complete Blood Count with 5-Part Differential | 2017 | 2018 | Laboratory | None |
| LBXNEPCT | Segmented neutrophils percent (%) | CBC_J | Complete Blood Count with 5-Part Differential | 2017 | 2018 | Laboratory | None |
| LBXNRBC | Nucleated red blood cells | CBC_J | Complete Blood Count with 5-Part Differential | 2017 | 2018 | Laboratory | None |
| LBXPLTSI | Platelet count (1000 cells/uL) | CBC_J | Complete Blood Count with 5-Part Differential | 2017 | 2018 | Laboratory | None |
| LBXRBCSI | Red blood cell count (million cells/uL) | CBC_J | Complete Blood Count with 5-Part Differential | 2017 | 2018 | Laboratory | None |
| LBXRDW | Red cell distribution width (%) | CBC_J | Complete Blood Count with 5-Part Differential | 2017 | 2018 | Laboratory | None |
| LBXWBCSI | White blood cell count (1000 cells/uL) | CBC_J | Complete Blood Count with 5-Part Differential | 2017 | 2018 | Laboratory | None |
| SEQN | Respondent sequence number. | CBC_J | Complete Blood Count with 5-Part Differential | 2017 | 2018 | Laboratory | None |
| LBDHRPLC | High-Sensitivity C-Reactive Protein (hs-CRP) Comment Code | HSCRP_J | High-Sensitivity C-Reactive Protein | 2017 | 2018 | Laboratory | None |
| LBXHSCRP | High-Sensitivity C-Reactive Protein (hs-CRP) (mg/L) | HSCRP_J | High-Sensitivity C-Reactive Protein | 2017 | 2018 | Laboratory | None |
| SEQN | Respondent Sequence Number | HSCRP_J | High-Sensitivity C-Reactive Protein | 2017 | 2018 | Laboratory | None |
| LBDTCSI | Total Cholesterol (mmol/L) | TCHOL_J | Cholesterol - Total | 2017 | 2018 | Laboratory | None |
| LBXTC | Total Cholesterol (mg/dL) | TCHOL_J | Cholesterol - Total | 2017 | 2018 | Laboratory | None |
| SEQN | Respondent Sequence Number | TCHOL_J | Cholesterol - Total | 2017 | 2018 | Laboratory | None |
| LBDHDD | Direct HDL-Cholesterol (mg/dL) | HDL_J | Cholesterol - High - Density Lipoprotein (HDL) | 2017 | 2018 | Laboratory | None |
| LBDHDDSI | Direct HDL-Cholesterol (mmol/L) | HDL_J | Cholesterol - High - Density Lipoprotein (HDL) | 2017 | 2018 | Laboratory | None |
| SEQN | Respondent Sequence Number | HDL_J | Cholesterol - High - Density Lipoprotein (HDL) | 2017 | 2018 | Laboratory | None |
| LBDSALSI | Albumin, refrigerated serum(g/L) | BIOPRO_J | Standard Biochemistry Profile | 2017 | 2018 | Laboratory | None |
| LBDSATLC | Alanine Aminotransferase (ALT) Comment Code | BIOPRO_J | Standard Biochemistry Profile | 2017 | 2018 | Laboratory | None |
| LBDSBUSI | Blood Urea Nitrogen (mmol/L) | BIOPRO_J | Standard Biochemistry Profile | 2017 | 2018 | Laboratory | None |
| LBDSCASI | Total Calcium (mmol/L) | BIOPRO_J | Standard Biochemistry Profile | 2017 | 2018 | Laboratory | None |
| LBDSCHSI | Total Cholesterol, refrigerated serum (mmol/L) | BIOPRO_J | Standard Biochemistry Profile | 2017 | 2018 | Laboratory | None |
| LBDSCRSI | Creatinine, refrigerated serum (umol/L) | BIOPRO_J | Standard Biochemistry Profile | 2017 | 2018 | Laboratory | None |
| LBDSGBSI | Globulin (g/L) | BIOPRO_J | Standard Biochemistry Profile | 2017 | 2018 | Laboratory | None |
| LBDSGLSI | Glucose, refrigerated serum (mmol/L) | BIOPRO_J | Standard Biochemistry Profile | 2017 | 2018 | Laboratory | None |
| LBDSGTLC | Gamma Glutamyl Transferase (GGT) Comment Code | BIOPRO_J | Standard Biochemistry Profile | 2017 | 2018 | Laboratory | None |
| LBDSIRSI | Iron, refrigerated serum (umol/L) | BIOPRO_J | Standard Biochemistry Profile | 2017 | 2018 | Laboratory | None |
| LBDSPHSI | Phosphorus (mmol/L) | BIOPRO_J | Standard Biochemistry Profile | 2017 | 2018 | Laboratory | None |
| LBDSTBLC | Total Bilirubin Comment Code | BIOPRO_J | Standard Biochemistry Profile | 2017 | 2018 | Laboratory | None |
| LBDSTBSI | Total Bilirubin (umol/L) | BIOPRO_J | Standard Biochemistry Profile | 2017 | 2018 | Laboratory | None |
| LBDSTPSI | Total Protein (g/L) | BIOPRO_J | Standard Biochemistry Profile | 2017 | 2018 | Laboratory | None |
| LBDSTRSI | Triglycerides, refrigerated serum (mmol/L) | BIOPRO_J | Standard Biochemistry Profile | 2017 | 2018 | Laboratory | None |
| LBDSUASI | Uric acid (umol/L) | BIOPRO_J | Standard Biochemistry Profile | 2017 | 2018 | Laboratory | None |
| LBXSAL | Albumin, refrigerated serum (g/dL) | BIOPRO_J | Standard Biochemistry Profile | 2017 | 2018 | Laboratory | None |
| LBXSAPSI | Alkaline Phosphatase (ALP) (IU/L) | BIOPRO_J | Standard Biochemistry Profile | 2017 | 2018 | Laboratory | None |
| LBXSASSI | Aspartate Aminotransferase (AST) (U/L) | BIOPRO_J | Standard Biochemistry Profile | 2017 | 2018 | Laboratory | None |
| LBXSATSI | Alanine Aminotransferase (ALT) (U/L) | BIOPRO_J | Standard Biochemistry Profile | 2017 | 2018 | Laboratory | None |
| LBXSBU | Blood Urea Nitrogen (mg/dL) | BIOPRO_J | Standard Biochemistry Profile | 2017 | 2018 | Laboratory | None |
| LBXSC3SI | Bicarbonate (mmol/L) | BIOPRO_J | Standard Biochemistry Profile | 2017 | 2018 | Laboratory | None |
| LBXSCA | Total Calcium (mg/dL) | BIOPRO_J | Standard Biochemistry Profile | 2017 | 2018 | Laboratory | None |
| LBXSCH | Total Cholesterol, refrigerated serum (mg/dL) | BIOPRO_J | Standard Biochemistry Profile | 2017 | 2018 | Laboratory | None |
| LBXSCK | Creatine Phosphokinase (CPK) (IU/L) | BIOPRO_J | Standard Biochemistry Profile | 2017 | 2018 | Laboratory | None |
| LBXSCLSI | Chloride (mmol/L) | BIOPRO_J | Standard Biochemistry Profile | 2017 | 2018 | Laboratory | None |
| LBXSCR | Creatinine, refrigerated serum (mg/dL) | BIOPRO_J | Standard Biochemistry Profile | 2017 | 2018 | Laboratory | None |
| LBXSGB | Globulin (g/dL) | BIOPRO_J | Standard Biochemistry Profile | 2017 | 2018 | Laboratory | None |
| LBXSGL | Glucose, refrigerated serum (mg/dL) | BIOPRO_J | Standard Biochemistry Profile | 2017 | 2018 | Laboratory | None |
| LBXSGTSI | Gamma Glutamyl Transferase (GGT) (IU/L) | BIOPRO_J | Standard Biochemistry Profile | 2017 | 2018 | Laboratory | None |
| LBXSIR | Iron, refrigerated serum (ug/dL) | BIOPRO_J | Standard Biochemistry Profile | 2017 | 2018 | Laboratory | None |
| LBXSKSI | Potassium (mmol/L) | BIOPRO_J | Standard Biochemistry Profile | 2017 | 2018 | Laboratory | None |
| LBXSLDSI | Lactate Dehydrogenase (LDH) (IU/L) | BIOPRO_J | Standard Biochemistry Profile | 2017 | 2018 | Laboratory | None |
| LBXSNASI | Sodium (mmol/L) | BIOPRO_J | Standard Biochemistry Profile | 2017 | 2018 | Laboratory | None |
| LBXSOSSI | Osmolality (mmol/Kg) | BIOPRO_J | Standard Biochemistry Profile | 2017 | 2018 | Laboratory | None |
| LBXSPH | Phosphorus (mg/dL) | BIOPRO_J | Standard Biochemistry Profile | 2017 | 2018 | Laboratory | None |
| LBXSTB | Total Bilirubin (mg/dL) | BIOPRO_J | Standard Biochemistry Profile | 2017 | 2018 | Laboratory | None |
| LBXSTP | Total Protein (g/dL) | BIOPRO_J | Standard Biochemistry Profile | 2017 | 2018 | Laboratory | None |
| LBXSTR | Triglycerides, refrigerated serum (mg/dL) | BIOPRO_J | Standard Biochemistry Profile | 2017 | 2018 | Laboratory | None |
| LBXSUA | Uric acid (mg/dL) | BIOPRO_J | Standard Biochemistry Profile | 2017 | 2018 | Laboratory | None |
| SEQN | Respondent Sequence Number | BIOPRO_J | Standard Biochemistry Profile | 2017 | 2018 | Laboratory | None |
| LBDIRNSI | Iron frozen, Serum (umol/L) | FETIB_J | Iron Status - Serum | 2017 | 2018 | Laboratory | None |
| LBDPCT | Transferrin Saturation (%) | FETIB_J | Iron Status - Serum | 2017 | 2018 | Laboratory | None |
| LBDTIB | Total Iron Binding Capacity TIBC (ug/dL) | FETIB_J | Iron Status - Serum | 2017 | 2018 | Laboratory | None |
| LBDTIBSI | Total Iron Binding Capacity (TIBC) (umol/L) | FETIB_J | Iron Status - Serum | 2017 | 2018 | Laboratory | None |
| LBDUIBLC | Unsaturated Iron Binding Capacity (UIBC), Serum Comment Code | FETIB_J | Iron Status - Serum | 2017 | 2018 | Laboratory | None |
| LBDUIBSI | Unsaturated Iron Binding Capacity (UIBC), Serum (umol/L) | FETIB_J | Iron Status - Serum | 2017 | 2018 | Laboratory | None |
| LBXIRN | Iron frozen, Serum (ug/dL) | FETIB_J | Iron Status - Serum | 2017 | 2018 | Laboratory | None |
| LBXUIB | Unsaturated Iron Binding Capacity (UIBC), Serum (ug/dL) | FETIB_J | Iron Status - Serum | 2017 | 2018 | Laboratory | None |
| SEQN | Respondent sequence number. | FETIB_J | Iron Status - Serum | 2017 | 2018 | Laboratory | None |
| LBDBCDLC | Blood cadmium comment code | PBCD_J | Lead, Cadmium, Total Mercury, Selenium, & Manganese - Blood | 2017 | 2018 | Laboratory | None |
| LBDBCDSI | Blood cadmium (nmol/L) | PBCD_J | Lead, Cadmium, Total Mercury, Selenium, & Manganese - Blood | 2017 | 2018 | Laboratory | None |
| LBDBMNLC | Blood manganese comment code | PBCD_J | Lead, Cadmium, Total Mercury, Selenium, & Manganese - Blood | 2017 | 2018 | Laboratory | None |
| LBDBMNSI | Blood manganese (nmol/L) | PBCD_J | Lead, Cadmium, Total Mercury, Selenium, & Manganese - Blood | 2017 | 2018 | Laboratory | None |
| LBDBPBLC | Blood lead comment code | PBCD_J | Lead, Cadmium, Total Mercury, Selenium, & Manganese - Blood | 2017 | 2018 | Laboratory | None |
| LBDBPBSI | Blood lead (umol/L) | PBCD_J | Lead, Cadmium, Total Mercury, Selenium, & Manganese - Blood | 2017 | 2018 | Laboratory | None |
| LBDBSELC | Blood selenium comment code | PBCD_J | Lead, Cadmium, Total Mercury, Selenium, & Manganese - Blood | 2017 | 2018 | Laboratory | None |
| LBDBSESI | Blood selenium (umol/L) | PBCD_J | Lead, Cadmium, Total Mercury, Selenium, & Manganese - Blood | 2017 | 2018 | Laboratory | None |
| LBDTHGLC | Blood mercury, total comment code | PBCD_J | Lead, Cadmium, Total Mercury, Selenium, & Manganese - Blood | 2017 | 2018 | Laboratory | None |
| LBDTHGSI | Blood mercury, total (nmol/L) | PBCD_J | Lead, Cadmium, Total Mercury, Selenium, & Manganese - Blood | 2017 | 2018 | Laboratory | None |
| LBXBCD | Blood cadmium (ug/L) | PBCD_J | Lead, Cadmium, Total Mercury, Selenium, & Manganese - Blood | 2017 | 2018 | Laboratory | None |
| LBXBMN | Blood manganese (ug/L) | PBCD_J | Lead, Cadmium, Total Mercury, Selenium, & Manganese - Blood | 2017 | 2018 | Laboratory | None |
| LBXBPB | Blood lead (ug/dL) | PBCD_J | Lead, Cadmium, Total Mercury, Selenium, & Manganese - Blood | 2017 | 2018 | Laboratory | None |
| LBXBSE | Blood selenium(ug/L) | PBCD_J | Lead, Cadmium, Total Mercury, Selenium, & Manganese - Blood | 2017 | 2018 | Laboratory | None |
| LBXTHG | Blood mercury, total (ug/L) | PBCD_J | Lead, Cadmium, Total Mercury, Selenium, & Manganese - Blood | 2017 | 2018 | Laboratory | None |
| SEQN | Respondent sequence number | PBCD_J | Lead, Cadmium, Total Mercury, Selenium, & Manganese - Blood | 2017 | 2018 | Laboratory | None |
| LBDBCOLC | Cobalt Comment Code | CRCO_J | Chromium & Cobalt | 2017 | 2018 | Laboratory | None |
| LBDBCOSI | Cobalt (nmol/L) | CRCO_J | Chromium & Cobalt | 2017 | 2018 | Laboratory | None |
| LBDBCRLC | Chromium Comment Code | CRCO_J | Chromium & Cobalt | 2017 | 2018 | Laboratory | None |
| LBDBCRSI | Chromium (nmol/L) | CRCO_J | Chromium & Cobalt | 2017 | 2018 | Laboratory | None |
| LBXBCO | Cobalt (ug/L) | CRCO_J | Chromium & Cobalt | 2017 | 2018 | Laboratory | None |
| LBXBCR | Chromium (ug/L) | CRCO_J | Chromium & Cobalt | 2017 | 2018 | Laboratory | None |
| SEQN | Respondent sequence number. | CRCO_J | Chromium & Cobalt | 2017 | 2018 | Laboratory | None |
| LBDBGELC | Mercury, ethyl comment code | IHGEM_J | Mercury: Inorganic, Ethyl and Methyl - Blood | 2017 | 2018 | Laboratory | None |
| LBDBGESI | Mercury, ethyl (nmol/L) | IHGEM_J | Mercury: Inorganic, Ethyl and Methyl - Blood | 2017 | 2018 | Laboratory | None |
| LBDBGMLC | Mercury, methyl comment code | IHGEM_J | Mercury: Inorganic, Ethyl and Methyl - Blood | 2017 | 2018 | Laboratory | None |
| LBDBGMSI | Mercury, methyl (nmol/L) | IHGEM_J | Mercury: Inorganic, Ethyl and Methyl - Blood | 2017 | 2018 | Laboratory | None |
| LBDIHGLC | Mercury, inorganic comment code | IHGEM_J | Mercury: Inorganic, Ethyl and Methyl - Blood | 2017 | 2018 | Laboratory | None |
| LBDIHGSI | Mercury, inorganic (nmol/L) | IHGEM_J | Mercury: Inorganic, Ethyl and Methyl - Blood | 2017 | 2018 | Laboratory | None |
| LBXBGE | Mercury, ethyl (ug/L) | IHGEM_J | Mercury: Inorganic, Ethyl and Methyl - Blood | 2017 | 2018 | Laboratory | None |
| LBXBGM | Mercury, methyl (ug/L) | IHGEM_J | Mercury: Inorganic, Ethyl and Methyl - Blood | 2017 | 2018 | Laboratory | None |
| LBXIHG | Inorganic mercury, blood (ug/L) | IHGEM_J | Mercury: Inorganic, Ethyl and Methyl - Blood | 2017 | 2018 | Laboratory | None |
| SEQN | Respondent sequence number. | IHGEM_J | Mercury: Inorganic, Ethyl and Methyl - Blood | 2017 | 2018 | Laboratory | None |
| LBXIGG | Cytomegalovirus (CMV) IgG | CMV_J | Cytomegalovirus IgG & IgM Antibodies - Serum | 2017 | 2018 | Laboratory | None |
| LBXIGGA | Cytomegalovirus (CMV) IgG avidity | CMV_J | Cytomegalovirus IgG & IgM Antibodies - Serum | 2017 | 2018 | Laboratory | None |
| LBXIGM | Cytomegalovirus (CMV) IgM | CMV_J | Cytomegalovirus IgG & IgM Antibodies - Serum | 2017 | 2018 | Laboratory | None |
| SEQN | Respondent sequence number. | CMV_J | Cytomegalovirus IgG & IgM Antibodies - Serum | 2017 | 2018 | Laboratory | None |
| LBXHE2 | Herpes Simplex Virus Type 2 | HSV_J_R | Herpes Simplex Virus Type-2 - Youth | 2017 | 2018 | Laboratory | RDC Only |
| SEQN | Respondent sequence number | HSV_J_R | Herpes Simplex Virus Type-2 - Youth | 2017 | 2018 | Laboratory | RDC Only |
| LBXHE1 | Herpes Simplex Virus Type 1 | HSVA_J_R | Herpes Simplex Virus Type-1 and Type-2 | 2017 | 2018 | Laboratory | RDC Only |
| LBXHE2 | Herpes Simplex Virus Type 2 | HSVA_J_R | Herpes Simplex Virus Type-1 and Type-2 | 2017 | 2018 | Laboratory | RDC Only |
| SEQN | Respondent sequence number | HSVA_J_R | Herpes Simplex Virus Type-1 and Type-2 | 2017 | 2018 | Laboratory | RDC Only |
| SEQN | Respondent sequence number | MGEA_J_R | Mycoplasma genitalium - Urine - Adult | 2017 | 2018 | Laboratory | RDC Only |
| URXMYGE | Mycoplasma genitalium, Urine | MGEA_J_R | Mycoplasma genitalium - Urine - Adult | 2017 | 2018 | Laboratory | RDC Only |
| SEQN | Respondent sequence number | MGEN_J_R | Mycoplasma genitalium - Urine - Youth | 2017 | 2018 | Laboratory | RDC Only |
| URXMYGE | Mycoplasma genitalium, Urine | MGEN_J_R | Mycoplasma genitalium - Urine - Youth | 2017 | 2018 | Laboratory | RDC Only |
| SEQN | Respondent sequence number. | TRIA_J_R | Trichomonas - Urine - Adult | 2017 | 2018 | Laboratory | RDC Only |
| URXUTRI | Trichomonas, Urine | TRIA_J_R | Trichomonas - Urine - Adult | 2017 | 2018 | Laboratory | RDC Only |
| SEQN | Respondent sequence number. | TRIC_J_R | Trichomonas - Urine - Youth | 2017 | 2018 | Laboratory | RDC Only |
| URXUTRI | Trichomonas, Urine | TRIC_J_R | Trichomonas - Urine - Youth | 2017 | 2018 | Laboratory | RDC Only |
| SEQN | Respondent sequence number. | CHLA_J_R | Chlamydia - Urine - Adult | 2017 | 2018 | Laboratory | RDC Only |
| URXUCL | Chlamydia, Urine | CHLA_J_R | Chlamydia - Urine - Adult | 2017 | 2018 | Laboratory | RDC Only |
| SEQN | Respondent sequence number | CHLM_J_R | Chlamydia - Urine - Youth | 2017 | 2018 | Laboratory | RDC Only |
| URXUCL | Chlamydia, Urine | CHLM_J_R | Chlamydia - Urine - Youth | 2017 | 2018 | Laboratory | RDC Only |
| LBDGLUSI | Fasting Glucose (mmol/L) | GLU_J | Plasma Fasting Glucose | 2017 | 2018 | Laboratory | None |
| LBXGLU | Fasting Glucose (mg/dL) | GLU_J | Plasma Fasting Glucose | 2017 | 2018 | Laboratory | None |
| SEQN | Respondent sequence number | GLU_J | Plasma Fasting Glucose | 2017 | 2018 | Laboratory | None |
| WTSAF2YR | Fasting Subsample 2 Year MEC Weight | GLU_J | Plasma Fasting Glucose | 2017 | 2018 | Laboratory | None |
| LBDCOTLC | Cotinine, Serum Comment Code | COT_J | Cotinine and Hydroxycotinine - Serum | 2017 | 2018 | Laboratory | None |
| LBDHCTLC | Hydroxycotinine, Serum Comment Code | COT_J | Cotinine and Hydroxycotinine - Serum | 2017 | 2018 | Laboratory | None |
| LBXCOT | Cotinine, Serum (ng/mL) | COT_J | Cotinine and Hydroxycotinine - Serum | 2017 | 2018 | Laboratory | None |
| LBXHCT | Hydroxycotinine, Serum (ng/mL) | COT_J | Cotinine and Hydroxycotinine - Serum | 2017 | 2018 | Laboratory | None |
| SEQN | Respondent sequence number | COT_J | Cotinine and Hydroxycotinine - Serum | 2017 | 2018 | Laboratory | None |
| LBDINLC | Insulin Comment Code | INS_J | Insulin | 2017 | 2018 | Laboratory | None |
| LBDINSI | Insulin (pmol/L) | INS_J | Insulin | 2017 | 2018 | Laboratory | None |
| LBXIN | Insulin (uU/mL) | INS_J | Insulin | 2017 | 2018 | Laboratory | None |
| SEQN | Respondent sequence number. | INS_J | Insulin | 2017 | 2018 | Laboratory | None |
| WTSAF2YR | Fasting Subsample 2 Year MEC Weight | INS_J | Insulin | 2017 | 2018 | Laboratory | None |
| LBDFERSI | Ferritin (ug/L) | FERTIN_J | Ferritin | 2017 | 2018 | Laboratory | None |
| LBXFER | Ferritin (ng/mL) | FERTIN_J | Ferritin | 2017 | 2018 | Laboratory | None |
| SEQN | Respondent sequence number | FERTIN_J | Ferritin | 2017 | 2018 | Laboratory | None |
| LBDVICLC | Vitamin C comment code | VIC_J | Vitamin C | 2017 | 2018 | Laboratory | None |
| LBDVICSI | Vitamin C (umol/L) | VIC_J | Vitamin C | 2017 | 2018 | Laboratory | None |
| LBXVIC | Vitamin C (mg/dL) | VIC_J | Vitamin C | 2017 | 2018 | Laboratory | None |
| SEQN | Respondent sequence number | VIC_J | Vitamin C | 2017 | 2018 | Laboratory | None |
| LBDLDL | LDL-Cholesterol, Friedewald equation (mg/dL).
LBDLDL = (LBXTC-(LBDHDD + LBXTR/5), round to 0 decimal places) for LBXTR less than 400 mg/dL, and missing for LBXTR greater than 400 mg/dL.
LBDHDD from public release file HDL_J | TRIGLY_J | Cholesterol - Low-Density Lipoproteins (LDL) & Triglycerides | 2017 | 2018 | Laboratory | None |
| LBDLDLM | LDL-Cholesterol, Martin-Hopkins equation (mg/dL).
LBDLDLM = (LBXTC-(LBDHDD + LBXTR/Adjustable Factor), round to 0 decimal places) for LBXTR less than 400 mg/dL, and missing for LBXTR greater than 400 mg/dL.
LBDHDD from public release file HDL_J | TRIGLY_J | Cholesterol - Low-Density Lipoproteins (LDL) & Triglycerides | 2017 | 2018 | Laboratory | None |
| LBDLDLN | LBDLDLN =
(LBXTC/0.948 – LBDHDD/0.971 – (LBXTR/8.56 + (LBXTR * (LBXTC – LBDHDD))/2140 – LBXTR^2/16100) – 9.44), round 0 decimal places) for LBXTR less than 800 mg/dL, and missing for LBXTR GE 800 mg/dL.
^2 stands for power=2, or squared.
LBDHDD from public release file HDL_J | TRIGLY_J | Cholesterol - Low-Density Lipoproteins (LDL) & Triglycerides | 2017 | 2018 | Laboratory | None |
| LBDLDLSI | LDL-Cholesterol, Friedewald equation (mmol/L) | TRIGLY_J | Cholesterol - Low-Density Lipoproteins (LDL) & Triglycerides | 2017 | 2018 | Laboratory | None |
| LBDLDMSI | LDL-Cholesterol, Martin-Hopkins equation (mmol/L) | TRIGLY_J | Cholesterol - Low-Density Lipoproteins (LDL) & Triglycerides | 2017 | 2018 | Laboratory | None |
| LBDLDNSI | LDL-Cholesterol, NIH equation 2 (mmol/L) | TRIGLY_J | Cholesterol - Low-Density Lipoproteins (LDL) & Triglycerides | 2017 | 2018 | Laboratory | None |
| LBDTRSI | Triglyceride (mmol/L) | TRIGLY_J | Cholesterol - Low-Density Lipoproteins (LDL) & Triglycerides | 2017 | 2018 | Laboratory | None |
| LBXTR | Triglyceride (mg/dL) | TRIGLY_J | Cholesterol - Low-Density Lipoproteins (LDL) & Triglycerides | 2017 | 2018 | Laboratory | None |
| SEQN | Respondent sequence number | TRIGLY_J | Cholesterol - Low-Density Lipoproteins (LDL) & Triglycerides | 2017 | 2018 | Laboratory | None |
| WTSAF2YR | Fasting Subsample 2 Year MEC Weight | TRIGLY_J | Cholesterol - Low-Density Lipoproteins (LDL) & Triglycerides | 2017 | 2018 | Laboratory | None |
| LBDRFO | RBC folate (ng/mL) | FOLATE_J | Folate - RBC | 2017 | 2018 | Laboratory | None |
| LBDRFOSI | RBC folate (nmol/L) | FOLATE_J | Folate - RBC | 2017 | 2018 | Laboratory | None |
| SEQN | Respondent sequence number | FOLATE_J | Folate - RBC | 2017 | 2018 | Laboratory | None |
| WTFOL2YR | Folate and Folate Forms Weight | FOLATE_J | Folate - RBC | 2017 | 2018 | Laboratory | None |
| LBDFOT | Serum total folate (ng/mL) | FOLFMS_J | Folate Forms - Total & Individual - Serum | 2017 | 2018 | Laboratory | None |
| LBDFOTSI | Serum total folate (nmol/L) | FOLFMS_J | Folate Forms - Total & Individual - Serum | 2017 | 2018 | Laboratory | None |
| LBDSF1LC | 5-Methyl-tetrahydrofolic comment code | FOLFMS_J | Folate Forms - Total & Individual - Serum | 2017 | 2018 | Laboratory | None |
| LBDSF2LC | Folic acid comment code | FOLFMS_J | Folate Forms - Total & Individual - Serum | 2017 | 2018 | Laboratory | None |
| LBDSF3LC | 5-Formyl-tetrahydrofolate comment code | FOLFMS_J | Folate Forms - Total & Individual - Serum | 2017 | 2018 | Laboratory | None |
| LBDSF4LC | Tetrahydrofolate comment code | FOLFMS_J | Folate Forms - Total & Individual - Serum | 2017 | 2018 | Laboratory | None |
| LBDSF5LC | 5,10-Methenyl-tetrahydrofolate comment code | FOLFMS_J | Folate Forms - Total & Individual - Serum | 2017 | 2018 | Laboratory | None |
| LBDSF6LC | Mefox oxidation product comment code | FOLFMS_J | Folate Forms - Total & Individual - Serum | 2017 | 2018 | Laboratory | None |
| LBXSF1SI | 5-Methyl-tetrahydrofolate (nmol/L) | FOLFMS_J | Folate Forms - Total & Individual - Serum | 2017 | 2018 | Laboratory | None |
| LBXSF2SI | Folic acid (nmol/L) | FOLFMS_J | Folate Forms - Total & Individual - Serum | 2017 | 2018 | Laboratory | None |
| LBXSF3SI | 5-Formyl-tetrahydrofolate (nmol/L) | FOLFMS_J | Folate Forms - Total & Individual - Serum | 2017 | 2018 | Laboratory | None |
| LBXSF4SI | Tetrahydrofolate (nmol/L) | FOLFMS_J | Folate Forms - Total & Individual - Serum | 2017 | 2018 | Laboratory | None |
| LBXSF5SI | 5,10-Methenyl-tetrahydrofolate (nmol/L) | FOLFMS_J | Folate Forms - Total & Individual - Serum | 2017 | 2018 | Laboratory | None |
| LBXSF6SI | Mefox oxidation product (nmol/L) | FOLFMS_J | Folate Forms - Total & Individual - Serum | 2017 | 2018 | Laboratory | None |
| SEQN | Respondent sequence number | FOLFMS_J | Folate Forms - Total & Individual - Serum | 2017 | 2018 | Laboratory | None |
| WTFOL2YR | Folate and Folate Forms Weight | FOLFMS_J | Folate Forms - Total & Individual - Serum | 2017 | 2018 | Laboratory | None |
| SEQN | Respondent sequence number. | UAS_J | Arsenics - Speciated - Urine | 2017 | 2018 | Laboratory | None |
| URDUA3LC | Urinary Arsenous acid comment code | UAS_J | Arsenics - Speciated - Urine | 2017 | 2018 | Laboratory | None |
| URDUA5LC | Urinary Arsenic acid comment code | UAS_J | Arsenics - Speciated - Urine | 2017 | 2018 | Laboratory | None |
| URDUABLC | Urinary Arsenobetaine comment code | UAS_J | Arsenics - Speciated - Urine | 2017 | 2018 | Laboratory | None |
| URDUACLC | Urinary Arsenocholine comment code | UAS_J | Arsenics - Speciated - Urine | 2017 | 2018 | Laboratory | None |
| URDUDALC | Urinary Dimethylarsinic acid comment code | UAS_J | Arsenics - Speciated - Urine | 2017 | 2018 | Laboratory | None |
| URDUMMAL | Urinary Monomethylarsonic acid comment code | UAS_J | Arsenics - Speciated - Urine | 2017 | 2018 | Laboratory | None |
| URXUAB | Urinary Arsenobetaine (ug/L) | UAS_J | Arsenics - Speciated - Urine | 2017 | 2018 | Laboratory | None |
| URXUAC | Urinary Arsenocholine (ug/L) | UAS_J | Arsenics - Speciated - Urine | 2017 | 2018 | Laboratory | None |
| URXUAS3 | Urinary Arsenous acid (ug/L) | UAS_J | Arsenics - Speciated - Urine | 2017 | 2018 | Laboratory | None |
| URXUAS5 | Urinary Arsenic acid (ug/L) | UAS_J | Arsenics - Speciated - Urine | 2017 | 2018 | Laboratory | None |
| URXUDMA | Urinary Dimethylarsinic acid (ug/L) | UAS_J | Arsenics - Speciated - Urine | 2017 | 2018 | Laboratory | None |
| URXUMMA | Urinary Monomethylarsonic acid (ug/L) | UAS_J | Arsenics - Speciated - Urine | 2017 | 2018 | Laboratory | None |
| WTSA2YR | Subsample A weights | UAS_J | Arsenics - Speciated - Urine | 2017 | 2018 | Laboratory | None |
| SEQN | Respondent sequence number. | UTAS_J | Arsenic - Total - Urine | 2017 | 2018 | Laboratory | None |
| URDUASLC | Arsenic, Total - Urine Comment Code | UTAS_J | Arsenic - Total - Urine | 2017 | 2018 | Laboratory | None |
| URXUAS | Arsenic, Total - Urine (ug/L) | UTAS_J | Arsenic - Total - Urine | 2017 | 2018 | Laboratory | None |
| WTSA2YR | Subsample A weights | UTAS_J | Arsenic - Total - Urine | 2017 | 2018 | Laboratory | None |
| SEQN | Respondent sequence number | UM_J | Metals - Urine | 2017 | 2018 | Laboratory | None |
| URDUBALC | Urinary Barium Comment Code | UM_J | Metals - Urine | 2017 | 2018 | Laboratory | None |
| URDUCDLC | Urinary Cadmium Comment Code | UM_J | Metals - Urine | 2017 | 2018 | Laboratory | None |
| URDUCOLC | Urinary Cobalt Comment Code | UM_J | Metals - Urine | 2017 | 2018 | Laboratory | None |
| URDUCSLC | Urinary Cesium Comment Code | UM_J | Metals - Urine | 2017 | 2018 | Laboratory | None |
| URDUMNLC | Urinary Mn Comment Code | UM_J | Metals - Urine | 2017 | 2018 | Laboratory | None |
| URDUMOLC | Urinary Molybdenum Comment Code | UM_J | Metals - Urine | 2017 | 2018 | Laboratory | None |
| URDUPBLC | Urinary Lead Comment Code | UM_J | Metals - Urine | 2017 | 2018 | Laboratory | None |
| URDUSBLC | Urinary Antimony Comment Code | UM_J | Metals - Urine | 2017 | 2018 | Laboratory | None |
| URDUSNLC | USN Comment Code | UM_J | Metals - Urine | 2017 | 2018 | Laboratory | None |
| URDUTLLC | Urinary Thallium Comment Code | UM_J | Metals - Urine | 2017 | 2018 | Laboratory | None |
| URDUTULC | Urinary Tungsten Comment Code | UM_J | Metals - Urine | 2017 | 2018 | Laboratory | None |
| URXUBA | Barium, urine (ug/L) | UM_J | Metals - Urine | 2017 | 2018 | Laboratory | None |
| URXUCD | Cadmium, urine (ug/L) | UM_J | Metals - Urine | 2017 | 2018 | Laboratory | None |
| URXUCO | Cobalt, urine (ug/L) | UM_J | Metals - Urine | 2017 | 2018 | Laboratory | None |
| URXUCS | Cesium, urine (ug/L) | UM_J | Metals - Urine | 2017 | 2018 | Laboratory | None |
| URXUMN | Manganese, urine (ug/L) | UM_J | Metals - Urine | 2017 | 2018 | Laboratory | None |
| URXUMO | Molybdenum, urine (ug/L) | UM_J | Metals - Urine | 2017 | 2018 | Laboratory | None |
| URXUPB | Lead, urine (ug/L) | UM_J | Metals - Urine | 2017 | 2018 | Laboratory | None |
| URXUSB | Antimony, urine (ug/L) | UM_J | Metals - Urine | 2017 | 2018 | Laboratory | None |
| URXUSN | Tin, urine (ug/L) | UM_J | Metals - Urine | 2017 | 2018 | Laboratory | None |
| URXUTL | Thallium, urine (ug/L) | UM_J | Metals - Urine | 2017 | 2018 | Laboratory | None |
| URXUTU | Tungsten, urine (ug/L) | UM_J | Metals - Urine | 2017 | 2018 | Laboratory | None |
| WTSA2YR | Subsample A weights | UM_J | Metals - Urine | 2017 | 2018 | Laboratory | None |
| SEQN | Respondent sequence number | UCM_J | Chromium - Urine | 2017 | 2018 | Laboratory | None |
| URDUCMLC | Chromium, Urine Comment Code | UCM_J | Chromium - Urine | 2017 | 2018 | Laboratory | None |
| URXUCM | Chromium, Urine (ug/L) | UCM_J | Chromium - Urine | 2017 | 2018 | Laboratory | None |
| WTSA2YR | Subsample A weights | UCM_J | Chromium - Urine | 2017 | 2018 | Laboratory | None |
| SEQN | Respondent sequence number | UHG_J | Mercury: Inorganic - Urine | 2017 | 2018 | Laboratory | None |
| URDUHGLC | Mercury, Urine Comment Code | UHG_J | Mercury: Inorganic - Urine | 2017 | 2018 | Laboratory | None |
| URXUHG | Urine Mercury (ug/L) | UHG_J | Mercury: Inorganic - Urine | 2017 | 2018 | Laboratory | None |
| WTSA2YR | Subsample A weights
| UHG_J | Mercury: Inorganic - Urine | 2017 | 2018 | Laboratory | None |
| SEQN | Respondent sequence number | UNI_J | Nickel - Urine | 2017 | 2018 | Laboratory | None |
| URDUNILC | Nickel, Urine Comment Code | UNI_J | Nickel - Urine | 2017 | 2018 | Laboratory | None |
| URXUNI | Nickel, Urine (ug/L) | UNI_J | Nickel - Urine | 2017 | 2018 | Laboratory | None |
| WTSA2YR | Subsample A weights | UNI_J | Nickel - Urine | 2017 | 2018 | Laboratory | None |
| SEQN | Respondent sequence number | UIO_J | Iodine - Urine | 2017 | 2018 | Laboratory | None |
| URDUIOLC | Iodine, urine comment code | UIO_J | Iodine - Urine | 2017 | 2018 | Laboratory | None |
| URXUIO | Iodine, urine (ug/L) | UIO_J | Iodine - Urine | 2017 | 2018 | Laboratory | None |
| WTSA2YR | Subsample A weights | UIO_J | Iodine - Urine | 2017 | 2018 | Laboratory | None |
| LBD2DFLC | Blood 2,5-Dimethylfuran Comment Code | VOCWB_J | Volatile Organic Compounds and Trihalomethanes/MTBE - Blood | 2017 | 2018 | Laboratory | None |
| LBD4CELC | Blood 1,1,1,2-Tetrachloroethane Comment Code | VOCWB_J | Volatile Organic Compounds and Trihalomethanes/MTBE - Blood | 2017 | 2018 | Laboratory | None |
| LBDV06LC | Blood Hexane Comment Code | VOCWB_J | Volatile Organic Compounds and Trihalomethanes/MTBE - Blood | 2017 | 2018 | Laboratory | None |
| LBDV07LC | Blood Heptane Comment Code | VOCWB_J | Volatile Organic Compounds and Trihalomethanes/MTBE - Blood | 2017 | 2018 | Laboratory | None |
| LBDV08LC | Blood Octane Comment Code | VOCWB_J | Volatile Organic Compounds and Trihalomethanes/MTBE - Blood | 2017 | 2018 | Laboratory | None |
| LBDV1DLC | Blood 1,2-Dichlorobenzene Comment Code | VOCWB_J | Volatile Organic Compounds and Trihalomethanes/MTBE - Blood | 2017 | 2018 | Laboratory | None |
| LBDV2ALC | Blood 1,2-Dichloroethane Comment Code | VOCWB_J | Volatile Organic Compounds and Trihalomethanes/MTBE - Blood | 2017 | 2018 | Laboratory | None |
| LBDV3BLC | Blood 1,3-Dichlorobenzene Comment Code | VOCWB_J | Volatile Organic Compounds and Trihalomethanes/MTBE - Blood | 2017 | 2018 | Laboratory | None |
| LBDV4CLC | Blood Tetrachloroethene Comment Code | VOCWB_J | Volatile Organic Compounds and Trihalomethanes/MTBE - Blood | 2017 | 2018 | Laboratory | None |
| LBDVBFLC | Blood Bromoform Comment Code | VOCWB_J | Volatile Organic Compounds and Trihalomethanes/MTBE - Blood | 2017 | 2018 | Laboratory | None |
| LBDVBMLC | Blood Bromodichloromethane Comment Code | VOCWB_J | Volatile Organic Compounds and Trihalomethanes/MTBE - Blood | 2017 | 2018 | Laboratory | None |
| LBDVBZLC | Blood Benzene Comment Code | VOCWB_J | Volatile Organic Compounds and Trihalomethanes/MTBE - Blood | 2017 | 2018 | Laboratory | None |
| LBDVC6LC | Blood Cyclohexane Comment Code | VOCWB_J | Volatile Organic Compounds and Trihalomethanes/MTBE - Blood | 2017 | 2018 | Laboratory | None |
| LBDVCBLC | Blood Chlorobenzene Comment Code | VOCWB_J | Volatile Organic Compounds and Trihalomethanes/MTBE - Blood | 2017 | 2018 | Laboratory | None |
| LBDVCFLC | Blood Chloroform Comment Code | VOCWB_J | Volatile Organic Compounds and Trihalomethanes/MTBE - Blood | 2017 | 2018 | Laboratory | None |
| LBDVCMLC | Blood Dibromochloromethane Comment Code | VOCWB_J | Volatile Organic Compounds and Trihalomethanes/MTBE - Blood | 2017 | 2018 | Laboratory | None |
| LBDVCTLC | Blood Carbon Tetrachloride Comment Code | VOCWB_J | Volatile Organic Compounds and Trihalomethanes/MTBE - Blood | 2017 | 2018 | Laboratory | None |
| LBDVDBLC | Blood 1,4-Dichlorobenzene Comment Code | VOCWB_J | Volatile Organic Compounds and Trihalomethanes/MTBE - Blood | 2017 | 2018 | Laboratory | None |
| LBDVDELC | Blood 1,2-Dibromoethane Comment Code | VOCWB_J | Volatile Organic Compounds and Trihalomethanes/MTBE - Blood | 2017 | 2018 | Laboratory | None |
| LBDVEALC | Blood Ethyl Acetate Comment Code | VOCWB_J | Volatile Organic Compounds and Trihalomethanes/MTBE - Blood | 2017 | 2018 | Laboratory | None |
| LBDVEBLC | Blood Ethylbenzene Comment Code | VOCWB_J | Volatile Organic Compounds and Trihalomethanes/MTBE - Blood | 2017 | 2018 | Laboratory | None |
| LBDVECLC | Blood Chloroethane Comment Code | VOCWB_J | Volatile Organic Compounds and Trihalomethanes/MTBE - Blood | 2017 | 2018 | Laboratory | None |
| LBDVEELC | Blood Diethyl Ether Comment Code | VOCWB_J | Volatile Organic Compounds and Trihalomethanes/MTBE - Blood | 2017 | 2018 | Laboratory | None |
| LBDVFNLC | Blood Furan Comment Code | VOCWB_J | Volatile Organic Compounds and Trihalomethanes/MTBE - Blood | 2017 | 2018 | Laboratory | None |
| LBDVFTLC | Blood aaa-Trifluorotoluene Comment Code | VOCWB_J | Volatile Organic Compounds and Trihalomethanes/MTBE - Blood | 2017 | 2018 | Laboratory | None |
| LBDVHTLC | Blood Tetrahydrofuran Comment Code | VOCWB_J | Volatile Organic Compounds and Trihalomethanes/MTBE - Blood | 2017 | 2018 | Laboratory | None |
| LBDVIBLC | Blood Isobutyronitrile Comment Code | VOCWB_J | Volatile Organic Compounds and Trihalomethanes/MTBE - Blood | 2017 | 2018 | Laboratory | None |
| LBDVIPLC | Blood Isopropylbenzene Comment Code | VOCWB_J | Volatile Organic Compounds and Trihalomethanes/MTBE - Blood | 2017 | 2018 | Laboratory | None |
| LBDVMCLC | Blood Methylene Chloride Comment Code | VOCWB_J | Volatile Organic Compounds and Trihalomethanes/MTBE - Blood | 2017 | 2018 | Laboratory | None |
| LBDVMELC | Blood Methyl-tert-butyl ether (MTBE) Comment Code | VOCWB_J | Volatile Organic Compounds and Trihalomethanes/MTBE - Blood | 2017 | 2018 | Laboratory | None |
| LBDVMKLC | Blood Methyl Isobutyl Ketone Comment Code | VOCWB_J | Volatile Organic Compounds and Trihalomethanes/MTBE - Blood | 2017 | 2018 | Laboratory | None |
| LBDVMPLC | Blood Methylcyclopentane Comment Code | VOCWB_J | Volatile Organic Compounds and Trihalomethanes/MTBE - Blood | 2017 | 2018 | Laboratory | None |
| LBDVNBLC | Blood Nitrobenzene Comment Code | VOCWB_J | Volatile Organic Compounds and Trihalomethanes/MTBE - Blood | 2017 | 2018 | Laboratory | None |
| LBDVOXLC | Blood o-Xylene Comment Code | VOCWB_J | Volatile Organic Compounds and Trihalomethanes/MTBE - Blood | 2017 | 2018 | Laboratory | None |
| LBDVTCLC | Blood Trichloroethene Comment Code | VOCWB_J | Volatile Organic Compounds and Trihalomethanes/MTBE - Blood | 2017 | 2018 | Laboratory | None |
| LBDVTELC | Blood 1,1,1-Trichloroethane Comment Code | VOCWB_J | Volatile Organic Compounds and Trihalomethanes/MTBE - Blood | 2017 | 2018 | Laboratory | None |
| LBDVTPLC | Blood 1,2,3-Trichloropropane Comment Code | VOCWB_J | Volatile Organic Compounds and Trihalomethanes/MTBE - Blood | 2017 | 2018 | Laboratory | None |
| LBDVVBLC | Blood Vinyl Bromide Comment Code | VOCWB_J | Volatile Organic Compounds and Trihalomethanes/MTBE - Blood | 2017 | 2018 | Laboratory | None |
| LBDVXYLC | Blood m-/p-Xylene Comment Code | VOCWB_J | Volatile Organic Compounds and Trihalomethanes/MTBE - Blood | 2017 | 2018 | Laboratory | None |
| LBDVZBLC | Blood Benzonitrile Comment Code | VOCWB_J | Volatile Organic Compounds and Trihalomethanes/MTBE - Blood | 2017 | 2018 | Laboratory | None |
| LBX2DF | Blood 2,5-Dimethylfuran (ng/mL) | VOCWB_J | Volatile Organic Compounds and Trihalomethanes/MTBE - Blood | 2017 | 2018 | Laboratory | None |
| LBX4CE | Blood 1,1,1,2-Tetrachloroethane (ng/mL) | VOCWB_J | Volatile Organic Compounds and Trihalomethanes/MTBE - Blood | 2017 | 2018 | Laboratory | None |
| LBXV06 | Blood Hexane (ng/mL) | VOCWB_J | Volatile Organic Compounds and Trihalomethanes/MTBE - Blood | 2017 | 2018 | Laboratory | None |
| LBXV07N | Blood Heptane (ng/mL) | VOCWB_J | Volatile Organic Compounds and Trihalomethanes/MTBE - Blood | 2017 | 2018 | Laboratory | None |
| LBXV08N | Blood Octane (ng/mL) | VOCWB_J | Volatile Organic Compounds and Trihalomethanes/MTBE - Blood | 2017 | 2018 | Laboratory | None |
| LBXV1D | Blood 1,2-Dichlorobenzene (ng/mL) | VOCWB_J | Volatile Organic Compounds and Trihalomethanes/MTBE - Blood | 2017 | 2018 | Laboratory | None |
| LBXV2A | Blood 1,2-Dichloroethane (ng/mL) | VOCWB_J | Volatile Organic Compounds and Trihalomethanes/MTBE - Blood | 2017 | 2018 | Laboratory | None |
| LBXV3B | Blood 1,3-Dichlorobenzene (ng/mL) | VOCWB_J | Volatile Organic Compounds and Trihalomethanes/MTBE - Blood | 2017 | 2018 | Laboratory | None |
| LBXV4C | Blood Tetrachloroethene (ng/mL) | VOCWB_J | Volatile Organic Compounds and Trihalomethanes/MTBE - Blood | 2017 | 2018 | Laboratory | None |
| LBXVBF | Blood Bromoform (ng/mL) | VOCWB_J | Volatile Organic Compounds and Trihalomethanes/MTBE - Blood | 2017 | 2018 | Laboratory | None |
| LBXVBM | Blood Bromodichloromethane (ng/mL) | VOCWB_J | Volatile Organic Compounds and Trihalomethanes/MTBE - Blood | 2017 | 2018 | Laboratory | None |
| LBXVBZ | Blood Benzene (ng/mL) | VOCWB_J | Volatile Organic Compounds and Trihalomethanes/MTBE - Blood | 2017 | 2018 | Laboratory | None |
| LBXVBZN | Blood Benzonitrile (ng/mL) | VOCWB_J | Volatile Organic Compounds and Trihalomethanes/MTBE - Blood | 2017 | 2018 | Laboratory | None |
| LBXVC6 | Blood Cyclohexane (ng/mL) | VOCWB_J | Volatile Organic Compounds and Trihalomethanes/MTBE - Blood | 2017 | 2018 | Laboratory | None |
| LBXVCB | Blood Chlorobenzene (ng/mL) | VOCWB_J | Volatile Organic Compounds and Trihalomethanes/MTBE - Blood | 2017 | 2018 | Laboratory | None |
| LBXVCF | Blood Chloroform (ng/mL) | VOCWB_J | Volatile Organic Compounds and Trihalomethanes/MTBE - Blood | 2017 | 2018 | Laboratory | None |
| LBXVCM | Blood Dibromochloromethane (ng/mL) | VOCWB_J | Volatile Organic Compounds and Trihalomethanes/MTBE - Blood | 2017 | 2018 | Laboratory | None |
| LBXVCT | Blood Carbon Tetrachloride (ng/mL) | VOCWB_J | Volatile Organic Compounds and Trihalomethanes/MTBE - Blood | 2017 | 2018 | Laboratory | None |
| LBXVDB | Blood 1,4-Dichlorobenzene (ng/mL) | VOCWB_J | Volatile Organic Compounds and Trihalomethanes/MTBE - Blood | 2017 | 2018 | Laboratory | None |
| LBXVDE | Blood 1,2-Dibromoethane (ng/mL) | VOCWB_J | Volatile Organic Compounds and Trihalomethanes/MTBE - Blood | 2017 | 2018 | Laboratory | None |
| LBXVDEE | Blood Diethyl Ether (ng/mL) | VOCWB_J | Volatile Organic Compounds and Trihalomethanes/MTBE - Blood | 2017 | 2018 | Laboratory | None |
| LBXVEA | Blood Ethyl Acetate (ng/mL) | VOCWB_J | Volatile Organic Compounds and Trihalomethanes/MTBE - Blood | 2017 | 2018 | Laboratory | None |
| LBXVEB | Blood Ethylbenzene (ng/mL) | VOCWB_J | Volatile Organic Compounds and Trihalomethanes/MTBE - Blood | 2017 | 2018 | Laboratory | None |
| LBXVEC | Blood Chloroethane (ng/mL) | VOCWB_J | Volatile Organic Compounds and Trihalomethanes/MTBE - Blood | 2017 | 2018 | Laboratory | None |
| LBXVFN | Blood Furan (ng/mL) | VOCWB_J | Volatile Organic Compounds and Trihalomethanes/MTBE - Blood | 2017 | 2018 | Laboratory | None |
| LBXVIBN | Blood Isobutyronitrile (ng/mL) | VOCWB_J | Volatile Organic Compounds and Trihalomethanes/MTBE - Blood | 2017 | 2018 | Laboratory | None |
| LBXVIPB | Blood Isopropylbenzene (ng/mL) | VOCWB_J | Volatile Organic Compounds and Trihalomethanes/MTBE - Blood | 2017 | 2018 | Laboratory | None |
| LBXVMC | Blood Methylene Chloride (ng/mL) | VOCWB_J | Volatile Organic Compounds and Trihalomethanes/MTBE - Blood | 2017 | 2018 | Laboratory | None |
| LBXVMCP | Blood Methylcyclopentane (ng/mL) | VOCWB_J | Volatile Organic Compounds and Trihalomethanes/MTBE - Blood | 2017 | 2018 | Laboratory | None |
| LBXVME | Blood Methyl-tert-butyl ether (MTBE) (ng/mL) | VOCWB_J | Volatile Organic Compounds and Trihalomethanes/MTBE - Blood | 2017 | 2018 | Laboratory | None |
| LBXVMIK | Blood Methyl Isobutyl Ketone (ng/mL) | VOCWB_J | Volatile Organic Compounds and Trihalomethanes/MTBE - Blood | 2017 | 2018 | Laboratory | None |
| LBXVNB | Blood Nitrobenzene (ng/mL) | VOCWB_J | Volatile Organic Compounds and Trihalomethanes/MTBE - Blood | 2017 | 2018 | Laboratory | None |
| LBXVOX | Blood o-Xylene (ng/mL) | VOCWB_J | Volatile Organic Compounds and Trihalomethanes/MTBE - Blood | 2017 | 2018 | Laboratory | None |
| LBXVTC | Blood Trichloroethene (ng/mL) | VOCWB_J | Volatile Organic Compounds and Trihalomethanes/MTBE - Blood | 2017 | 2018 | Laboratory | None |
| LBXVTE | Blood 1,1,1-Trichloroethane (ng/mL) | VOCWB_J | Volatile Organic Compounds and Trihalomethanes/MTBE - Blood | 2017 | 2018 | Laboratory | None |
| LBXVTFT | Blood aaa-Trifluorotoluene (ng/mL) | VOCWB_J | Volatile Organic Compounds and Trihalomethanes/MTBE - Blood | 2017 | 2018 | Laboratory | None |
| LBXVTHF | Blood Tetrahydrofuran (ng/mL) | VOCWB_J | Volatile Organic Compounds and Trihalomethanes/MTBE - Blood | 2017 | 2018 | Laboratory | None |
| LBXVTP | Blood 1,2,3-Trichloropropane (ng/mL) | VOCWB_J | Volatile Organic Compounds and Trihalomethanes/MTBE - Blood | 2017 | 2018 | Laboratory | None |
| LBXVVB | Blood Vinyl Bromide (ng/mL) | VOCWB_J | Volatile Organic Compounds and Trihalomethanes/MTBE - Blood | 2017 | 2018 | Laboratory | None |
| LBXVXY | Blood m-/p-Xylene (ng/mL) | VOCWB_J | Volatile Organic Compounds and Trihalomethanes/MTBE - Blood | 2017 | 2018 | Laboratory | None |
| SEQN | Respondent sequence number. | VOCWB_J | Volatile Organic Compounds and Trihalomethanes/MTBE - Blood | 2017 | 2018 | Laboratory | None |
| WTSVOC2Y | VOC Subsample Weight | VOCWB_J | Volatile Organic Compounds and Trihalomethanes/MTBE - Blood | 2017 | 2018 | Laboratory | None |
| LBDBPBLC | Blood lead comment code | PBY_J_R | Lead - Blood - Youth | 2017 | 2018 | Laboratory | RDC Only |
| LBDBPBSI | Blood lead (umol/L) | PBY_J_R | Lead - Blood - Youth | 2017 | 2018 | Laboratory | RDC Only |
| LBXBPB | Blood lead (ug/dL) | PBY_J_R | Lead - Blood - Youth | 2017 | 2018 | Laboratory | RDC Only |
| SEQN | Respondent sequence number | PBY_J_R | Lead - Blood - Youth | 2017 | 2018 | Laboratory | RDC Only |
| LBDBFOAL | Branch perfluorooctanoic acid isomers Comment Code | PFAS_J | Perfluoroalkyl and Polyfluoroalkyl Substances | 2017 | 2018 | Laboratory | None |
| LBDMFOSL | Perfluoromethylheptane sulfonic acid isomers (Sm-PFOS) Comment Code | PFAS_J | Perfluoroalkyl and Polyfluoroalkyl Substances | 2017 | 2018 | Laboratory | None |
| LBDMPAHL | 2-(N-methylperfluoroctanesulfonamido)acetic acid (Me-PFOSA-AcOH) Comment Code
| PFAS_J | Perfluoroalkyl and Polyfluoroalkyl Substances | 2017 | 2018 | Laboratory | None |
| LBDNFOAL | n-perfluorooctanoic acid (n-PFOA) Comment Code | PFAS_J | Perfluoroalkyl and Polyfluoroalkyl Substances | 2017 | 2018 | Laboratory | None |
| LBDNFOSL | n-perfluorooctane sulfonic acid (n-PFOS) Comment Code | PFAS_J | Perfluoroalkyl and Polyfluoroalkyl Substances | 2017 | 2018 | Laboratory | None |
| LBDPFDEL | Perfluorodecanoic acid (PFDeA) Comment Code
| PFAS_J | Perfluoroalkyl and Polyfluoroalkyl Substances | 2017 | 2018 | Laboratory | None |
| LBDPFHSL | Perfluorohexane sulfonic acid (PFHxS) Comment Code | PFAS_J | Perfluoroalkyl and Polyfluoroalkyl Substances | 2017 | 2018 | Laboratory | None |
| LBDPFNAL | Perfluorononanoic acid (PFNA) Comment Code
| PFAS_J | Perfluoroalkyl and Polyfluoroalkyl Substances | 2017 | 2018 | Laboratory | None |
| LBDPFUAL | Perfluoroundecanoic acid (PFUA) Comment Code
| PFAS_J | Perfluoroalkyl and Polyfluoroalkyl Substances | 2017 | 2018 | Laboratory | None |
| LBXBFOA | Branch perfluorooctanoic acid isomers (Sb-PFOA) (ng/mL) | PFAS_J | Perfluoroalkyl and Polyfluoroalkyl Substances | 2017 | 2018 | Laboratory | None |
| LBXMFOS | Perfluoromethylheptane sulfonic acid isomers (Sm-PFOS) (ng/mL) | PFAS_J | Perfluoroalkyl and Polyfluoroalkyl Substances | 2017 | 2018 | Laboratory | None |
| LBXMPAH | 2-(N-methylperfluoroctanesulfonamido)acetic acid (Me-PFOSA-AcOH) (ng/mL) | PFAS_J | Perfluoroalkyl and Polyfluoroalkyl Substances | 2017 | 2018 | Laboratory | None |
| LBXNFOA | n-perfluorooctanoic acid (n-PFOA) (ng/mL) | PFAS_J | Perfluoroalkyl and Polyfluoroalkyl Substances | 2017 | 2018 | Laboratory | None |
| LBXNFOS | n-perfluorooctane sulfonic acid (n-PFOS) (ng/mL) | PFAS_J | Perfluoroalkyl and Polyfluoroalkyl Substances | 2017 | 2018 | Laboratory | None |
| LBXPFDE | Perfluorodecanoic acid (PFDeA) (ng/mL)
| PFAS_J | Perfluoroalkyl and Polyfluoroalkyl Substances | 2017 | 2018 | Laboratory | None |
| LBXPFHS | Perfluorohexane sulfonic acid (PFHxS) (ng/mL) | PFAS_J | Perfluoroalkyl and Polyfluoroalkyl Substances | 2017 | 2018 | Laboratory | None |
| LBXPFNA | Perfluorononanoic acid (PFNA) (ng/mL)
| PFAS_J | Perfluoroalkyl and Polyfluoroalkyl Substances | 2017 | 2018 | Laboratory | None |
| LBXPFUA | Perfluoroundecanoic acid (PFUA) (ng/mL)
| PFAS_J | Perfluoroalkyl and Polyfluoroalkyl Substances | 2017 | 2018 | Laboratory | None |
| SEQN | Respondent sequence number. | PFAS_J | Perfluoroalkyl and Polyfluoroalkyl Substances | 2017 | 2018 | Laboratory | None |
| WTSB2YR | Subsample B weights | PFAS_J | Perfluoroalkyl and Polyfluoroalkyl Substances | 2017 | 2018 | Laboratory | None |
| SEQN | Respondent sequence number. | PHTHTE_J | Phthalates and Plasticizers Metabolites - Urine | 2017 | 2018 | Laboratory | None |
| URDCNPLC | Mono(carboxynonyl) phthalate comment code | PHTHTE_J | Phthalates and Plasticizers Metabolites - Urine | 2017 | 2018 | Laboratory | None |
| URDCOPLC | Mono(carboxyoctyl) phthalate comment code | PHTHTE_J | Phthalates and Plasticizers Metabolites - Urine | 2017 | 2018 | Laboratory | None |
| URDECPLC | Mono-2-ethyl-5-carboxypentyl phthalate comment code | PHTHTE_J | Phthalates and Plasticizers Metabolites - Urine | 2017 | 2018 | Laboratory | None |
| URDEPCLC | Mono-2-ethyl-5-carboxypentylterephthalate Comment Code | PHTHTE_J | Phthalates and Plasticizers Metabolites - Urine | 2017 | 2018 | Laboratory | None |
| URDHIBLC | Mono-2-hydroxy-iso-butyl phthalate Comment Code | PHTHTE_J | Phthalates and Plasticizers Metabolites - Urine | 2017 | 2018 | Laboratory | None |
| URDMBPLC | Mono-n-butyl phthalate comment code | PHTHTE_J | Phthalates and Plasticizers Metabolites - Urine | 2017 | 2018 | Laboratory | None |
| URDMC1LC | Mono-(3-carboxypropyl) phthalate comment code | PHTHTE_J | Phthalates and Plasticizers Metabolites - Urine | 2017 | 2018 | Laboratory | None |
| URDMCHLC | Cyclohexane 1,2-dicarboxylic acid monohydroxy isononyl ester comment code | PHTHTE_J | Phthalates and Plasticizers Metabolites - Urine | 2017 | 2018 | Laboratory | None |
| URDMCOLC | Cyclohexane-1,2-dicarboxylic acid-mono(carboxyoctyl) ester phthalate Comment Code | PHTHTE_J | Phthalates and Plasticizers Metabolites - Urine | 2017 | 2018 | Laboratory | None |
| URDMEPLC | Mono-ethyl phthalate comment code | PHTHTE_J | Phthalates and Plasticizers Metabolites - Urine | 2017 | 2018 | Laboratory | None |
| URDMHBLC | Mono-3-hydroxy-n-butyl phthalate Comment Code | PHTHTE_J | Phthalates and Plasticizers Metabolites - Urine | 2017 | 2018 | Laboratory | None |
| URDMHHLC | Mono-(2-ethyl-5-hydroxyhexyl) phthalate comment code | PHTHTE_J | Phthalates and Plasticizers Metabolites - Urine | 2017 | 2018 | Laboratory | None |
| URDMHPLC | Mono-(2-ethyl)-hexyl phthalate comment code | PHTHTE_J | Phthalates and Plasticizers Metabolites - Urine | 2017 | 2018 | Laboratory | None |
| URDMHTLC | Mono-2-ethyl-5-hydroxyhexylterephthalate Comment Code | PHTHTE_J | Phthalates and Plasticizers Metabolites - Urine | 2017 | 2018 | Laboratory | None |
| URDMIBLC | Mono-isobutyl phthalate comment code | PHTHTE_J | Phthalates and Plasticizers Metabolites - Urine | 2017 | 2018 | Laboratory | None |
| URDMNPLC | Mono-isononyl phthalate comment code | PHTHTE_J | Phthalates and Plasticizers Metabolites - Urine | 2017 | 2018 | Laboratory | None |
| URDMOHLC | Mono-(2-ethyl-5-oxohexyl) phthalate comment code | PHTHTE_J | Phthalates and Plasticizers Metabolites - Urine | 2017 | 2018 | Laboratory | None |
| URDMONLC | Monooxoisononyl phthalate Comment Code | PHTHTE_J | Phthalates and Plasticizers Metabolites - Urine | 2017 | 2018 | Laboratory | None |
| URDMZPLC | Mono-benzyl phthalate comment code | PHTHTE_J | Phthalates and Plasticizers Metabolites - Urine | 2017 | 2018 | Laboratory | None |
| URXCNP | Mono(carboxynonyl) Phthalate (ng/mL) | PHTHTE_J | Phthalates and Plasticizers Metabolites - Urine | 2017 | 2018 | Laboratory | None |
| URXCOP | Mono(carboxyoctyl) Phthalate (ng/mL) | PHTHTE_J | Phthalates and Plasticizers Metabolites - Urine | 2017 | 2018 | Laboratory | None |
| URXECP | Mono-2-ethyl-5-carboxypentyl phthalate (ng/mL) | PHTHTE_J | Phthalates and Plasticizers Metabolites - Urine | 2017 | 2018 | Laboratory | None |
| URXECPT | Mono-2-ethyl-5-carboxypentylterephthalate (ng/mL) | PHTHTE_J | Phthalates and Plasticizers Metabolites - Urine | 2017 | 2018 | Laboratory | None |
| URXHIBP | Mono-2-hydroxy-iso-butyl phthalate (ng/mL) | PHTHTE_J | Phthalates and Plasticizers Metabolites - Urine | 2017 | 2018 | Laboratory | None |
| URXMBP | Mono-n-butyl phthalate (ng/mL) | PHTHTE_J | Phthalates and Plasticizers Metabolites - Urine | 2017 | 2018 | Laboratory | None |
| URXMC1 | Mono-(3-carboxypropyl) phthalate (ng/mL) | PHTHTE_J | Phthalates and Plasticizers Metabolites - Urine | 2017 | 2018 | Laboratory | None |
| URXMCOH | Cyclohexane-1,2-dicarboxylic acid-mono(carboxyoctyl) ester phthalate (ng/mL) | PHTHTE_J | Phthalates and Plasticizers Metabolites - Urine | 2017 | 2018 | Laboratory | None |
| URXMEP | Mono-ethyl phthalate (ng/mL) | PHTHTE_J | Phthalates and Plasticizers Metabolites - Urine | 2017 | 2018 | Laboratory | None |
| URXMHBP | Mono-3-hydroxy-n-butyl phthalate (ng/mL) | PHTHTE_J | Phthalates and Plasticizers Metabolites - Urine | 2017 | 2018 | Laboratory | None |
| URXMHH | Mono-(2-ethyl-5-hydroxyhexyl) phthalate (ng/mL) | PHTHTE_J | Phthalates and Plasticizers Metabolites - Urine | 2017 | 2018 | Laboratory | None |
| URXMHHT | Mono-2-ethyl-5-hydroxyhexylterephthalate (ng/mL) | PHTHTE_J | Phthalates and Plasticizers Metabolites - Urine | 2017 | 2018 | Laboratory | None |
| URXMHNC | Cyclohexane 1,2-dicarboxylic acid monohydroxy isononyl ester (ng/mL) | PHTHTE_J | Phthalates and Plasticizers Metabolites - Urine | 2017 | 2018 | Laboratory | None |
| URXMHP | Mono-(2-ethyl)-hexyl phthalate (ng/mL) | PHTHTE_J | Phthalates and Plasticizers Metabolites - Urine | 2017 | 2018 | Laboratory | None |
| URXMIB | Mono-isobutyl phthalate (ng/mL) | PHTHTE_J | Phthalates and Plasticizers Metabolites - Urine | 2017 | 2018 | Laboratory | None |
| URXMNP | Mono-isononyl phthalate (ng/mL) | PHTHTE_J | Phthalates and Plasticizers Metabolites - Urine | 2017 | 2018 | Laboratory | None |
| URXMOH | Mono-(2-ethyl-5-oxohexyl) phthalate (ng/mL) | PHTHTE_J | Phthalates and Plasticizers Metabolites - Urine | 2017 | 2018 | Laboratory | None |
| URXMONP | Mono-oxoisononyl phthalate (ng/mL) | PHTHTE_J | Phthalates and Plasticizers Metabolites - Urine | 2017 | 2018 | Laboratory | None |
| URXMZP | Mono-benzyl phthalate (ng/mL) | PHTHTE_J | Phthalates and Plasticizers Metabolites - Urine | 2017 | 2018 | Laboratory | None |
| WTSB2YR | Environmental B 2-year weights | PHTHTE_J | Phthalates and Plasticizers Metabolites - Urine | 2017 | 2018 | Laboratory | None |
| LBDR06 | HPV type 6 | HPVS_J_R | Human Papillomavirus (HPV) DNA - Vaginal Swab: Roche Linear Array - Youth | 2017 | 2018 | Laboratory | RDC Only |
| LBDR11 | HPV type 11 | HPVS_J_R | Human Papillomavirus (HPV) DNA - Vaginal Swab: Roche Linear Array - Youth | 2017 | 2018 | Laboratory | RDC Only |
| LBDR16 | HPV type 16 | HPVS_J_R | Human Papillomavirus (HPV) DNA - Vaginal Swab: Roche Linear Array - Youth | 2017 | 2018 | Laboratory | RDC Only |
| LBDR18 | HPV type 18 | HPVS_J_R | Human Papillomavirus (HPV) DNA - Vaginal Swab: Roche Linear Array - Youth | 2017 | 2018 | Laboratory | RDC Only |
| LBDR26 | HPV type 26 | HPVS_J_R | Human Papillomavirus (HPV) DNA - Vaginal Swab: Roche Linear Array - Youth | 2017 | 2018 | Laboratory | RDC Only |
| LBDR31 | HPV type 31 | HPVS_J_R | Human Papillomavirus (HPV) DNA - Vaginal Swab: Roche Linear Array - Youth | 2017 | 2018 | Laboratory | RDC Only |
| LBDR33 | HPV type 33 | HPVS_J_R | Human Papillomavirus (HPV) DNA - Vaginal Swab: Roche Linear Array - Youth | 2017 | 2018 | Laboratory | RDC Only |
| LBDR35 | HPV type 35 | HPVS_J_R | Human Papillomavirus (HPV) DNA - Vaginal Swab: Roche Linear Array - Youth | 2017 | 2018 | Laboratory | RDC Only |
| LBDR39 | HPV type 39 | HPVS_J_R | Human Papillomavirus (HPV) DNA - Vaginal Swab: Roche Linear Array - Youth | 2017 | 2018 | Laboratory | RDC Only |
| LBDR40 | HPV type 40 | HPVS_J_R | Human Papillomavirus (HPV) DNA - Vaginal Swab: Roche Linear Array - Youth | 2017 | 2018 | Laboratory | RDC Only |
| LBDR42 | HPV type 42 | HPVS_J_R | Human Papillomavirus (HPV) DNA - Vaginal Swab: Roche Linear Array - Youth | 2017 | 2018 | Laboratory | RDC Only |
| LBDR45 | HPV type 45
| HPVS_J_R | Human Papillomavirus (HPV) DNA - Vaginal Swab: Roche Linear Array - Youth | 2017 | 2018 | Laboratory | RDC Only |
| LBDR51 | HPV type 51 | HPVS_J_R | Human Papillomavirus (HPV) DNA - Vaginal Swab: Roche Linear Array - Youth | 2017 | 2018 | Laboratory | RDC Only |
| LBDR52 | HPV type 52 | HPVS_J_R | Human Papillomavirus (HPV) DNA - Vaginal Swab: Roche Linear Array - Youth | 2017 | 2018 | Laboratory | RDC Only |
| LBDR53 | HPV type 53 | HPVS_J_R | Human Papillomavirus (HPV) DNA - Vaginal Swab: Roche Linear Array - Youth | 2017 | 2018 | Laboratory | RDC Only |
| LBDR54 | HPV type 54 | HPVS_J_R | Human Papillomavirus (HPV) DNA - Vaginal Swab: Roche Linear Array - Youth | 2017 | 2018 | Laboratory | RDC Only |
| LBDR55 | HPV type 55 | HPVS_J_R | Human Papillomavirus (HPV) DNA - Vaginal Swab: Roche Linear Array - Youth | 2017 | 2018 | Laboratory | RDC Only |
| LBDR56 | HPV type 56
| HPVS_J_R | Human Papillomavirus (HPV) DNA - Vaginal Swab: Roche Linear Array - Youth | 2017 | 2018 | Laboratory | RDC Only |
| LBDR58 | HPV type 58 | HPVS_J_R | Human Papillomavirus (HPV) DNA - Vaginal Swab: Roche Linear Array - Youth | 2017 | 2018 | Laboratory | RDC Only |
| LBDR59 | HPV type 59 | HPVS_J_R | Human Papillomavirus (HPV) DNA - Vaginal Swab: Roche Linear Array - Youth | 2017 | 2018 | Laboratory | RDC Only |
| LBDR61 | HPV type 61 | HPVS_J_R | Human Papillomavirus (HPV) DNA - Vaginal Swab: Roche Linear Array - Youth | 2017 | 2018 | Laboratory | RDC Only |
| LBDR62 | HPV type 62 | HPVS_J_R | Human Papillomavirus (HPV) DNA - Vaginal Swab: Roche Linear Array - Youth | 2017 | 2018 | Laboratory | RDC Only |
| LBDR64 | HPV type 64 | HPVS_J_R | Human Papillomavirus (HPV) DNA - Vaginal Swab: Roche Linear Array - Youth | 2017 | 2018 | Laboratory | RDC Only |
| LBDR66 | HPV type 66 | HPVS_J_R | Human Papillomavirus (HPV) DNA - Vaginal Swab: Roche Linear Array - Youth | 2017 | 2018 | Laboratory | RDC Only |
| LBDR67 | HPV type 67 | HPVS_J_R | Human Papillomavirus (HPV) DNA - Vaginal Swab: Roche Linear Array - Youth | 2017 | 2018 | Laboratory | RDC Only |
| LBDR68 | HPV type 68 | HPVS_J_R | Human Papillomavirus (HPV) DNA - Vaginal Swab: Roche Linear Array - Youth | 2017 | 2018 | Laboratory | RDC Only |
| LBDR69 | HPV type 69 | HPVS_J_R | Human Papillomavirus (HPV) DNA - Vaginal Swab: Roche Linear Array - Youth | 2017 | 2018 | Laboratory | RDC Only |
| LBDR70 | HPV type 70 | HPVS_J_R | Human Papillomavirus (HPV) DNA - Vaginal Swab: Roche Linear Array - Youth | 2017 | 2018 | Laboratory | RDC Only |
| LBDR71 | HPV type 71 | HPVS_J_R | Human Papillomavirus (HPV) DNA - Vaginal Swab: Roche Linear Array - Youth | 2017 | 2018 | Laboratory | RDC Only |
| LBDR72 | HPV type 72 | HPVS_J_R | Human Papillomavirus (HPV) DNA - Vaginal Swab: Roche Linear Array - Youth | 2017 | 2018 | Laboratory | RDC Only |
| LBDR73 | HPV type 73 | HPVS_J_R | Human Papillomavirus (HPV) DNA - Vaginal Swab: Roche Linear Array - Youth | 2017 | 2018 | Laboratory | RDC Only |
| LBDR81 | HPV type 81 | HPVS_J_R | Human Papillomavirus (HPV) DNA - Vaginal Swab: Roche Linear Array - Youth | 2017 | 2018 | Laboratory | RDC Only |
| LBDR82 | HPV type 82 | HPVS_J_R | Human Papillomavirus (HPV) DNA - Vaginal Swab: Roche Linear Array - Youth | 2017 | 2018 | Laboratory | RDC Only |
| LBDR83 | HPV type 83 | HPVS_J_R | Human Papillomavirus (HPV) DNA - Vaginal Swab: Roche Linear Array - Youth | 2017 | 2018 | Laboratory | RDC Only |
| LBDR84 | HPV type 84 | HPVS_J_R | Human Papillomavirus (HPV) DNA - Vaginal Swab: Roche Linear Array - Youth | 2017 | 2018 | Laboratory | RDC Only |
| LBDR89 | HPV type 89 | HPVS_J_R | Human Papillomavirus (HPV) DNA - Vaginal Swab: Roche Linear Array - Youth | 2017 | 2018 | Laboratory | RDC Only |
| LBDRHP | Roche LA high positive globin control | HPVS_J_R | Human Papillomavirus (HPV) DNA - Vaginal Swab: Roche Linear Array - Youth | 2017 | 2018 | Laboratory | RDC Only |
| LBDRLP | Roche LA low positive globin control | HPVS_J_R | Human Papillomavirus (HPV) DNA - Vaginal Swab: Roche Linear Array - Youth | 2017 | 2018 | Laboratory | RDC Only |
| LBDRPCR | Roche HPV linear array (LA) summary result | HPVS_J_R | Human Papillomavirus (HPV) DNA - Vaginal Swab: Roche Linear Array - Youth | 2017 | 2018 | Laboratory | RDC Only |
| LBDRPI | HPV type IS39 | HPVS_J_R | Human Papillomavirus (HPV) DNA - Vaginal Swab: Roche Linear Array - Youth | 2017 | 2018 | Laboratory | RDC Only |
| SEQN | Respondent sequence number. | HPVS_J_R | Human Papillomavirus (HPV) DNA - Vaginal Swab: Roche Linear Array - Youth | 2017 | 2018 | Laboratory | RDC Only |
| LBDR06 | HPV type 6 | HPVW_J_R | Human Papillomavirus (HPV) DNA - Vaginal Swab: Roche Linear Array - Adults | 2017 | 2018 | Laboratory | RDC Only |
| LBDR11 | HPV type 11 | HPVW_J_R | Human Papillomavirus (HPV) DNA - Vaginal Swab: Roche Linear Array - Adults | 2017 | 2018 | Laboratory | RDC Only |
| LBDR16 | HPV type 16 | HPVW_J_R | Human Papillomavirus (HPV) DNA - Vaginal Swab: Roche Linear Array - Adults | 2017 | 2018 | Laboratory | RDC Only |
| LBDR18 | HPV type 18 | HPVW_J_R | Human Papillomavirus (HPV) DNA - Vaginal Swab: Roche Linear Array - Adults | 2017 | 2018 | Laboratory | RDC Only |
| LBDR26 | HPV type 26 | HPVW_J_R | Human Papillomavirus (HPV) DNA - Vaginal Swab: Roche Linear Array - Adults | 2017 | 2018 | Laboratory | RDC Only |
| LBDR31 | HPV type 31 | HPVW_J_R | Human Papillomavirus (HPV) DNA - Vaginal Swab: Roche Linear Array - Adults | 2017 | 2018 | Laboratory | RDC Only |
| LBDR33 | HPV type 33 | HPVW_J_R | Human Papillomavirus (HPV) DNA - Vaginal Swab: Roche Linear Array - Adults | 2017 | 2018 | Laboratory | RDC Only |
| LBDR35 | HPV type 35 | HPVW_J_R | Human Papillomavirus (HPV) DNA - Vaginal Swab: Roche Linear Array - Adults | 2017 | 2018 | Laboratory | RDC Only |
| LBDR39 | HPV type 39 | HPVW_J_R | Human Papillomavirus (HPV) DNA - Vaginal Swab: Roche Linear Array - Adults | 2017 | 2018 | Laboratory | RDC Only |
| LBDR40 | HPV type 40 | HPVW_J_R | Human Papillomavirus (HPV) DNA - Vaginal Swab: Roche Linear Array - Adults | 2017 | 2018 | Laboratory | RDC Only |
| LBDR42 | HPV type 42 | HPVW_J_R | Human Papillomavirus (HPV) DNA - Vaginal Swab: Roche Linear Array - Adults | 2017 | 2018 | Laboratory | RDC Only |
| LBDR45 | HPV type 45
| HPVW_J_R | Human Papillomavirus (HPV) DNA - Vaginal Swab: Roche Linear Array - Adults | 2017 | 2018 | Laboratory | RDC Only |
| LBDR51 | HPV type 51 | HPVW_J_R | Human Papillomavirus (HPV) DNA - Vaginal Swab: Roche Linear Array - Adults | 2017 | 2018 | Laboratory | RDC Only |
| LBDR52 | HPV type 52 | HPVW_J_R | Human Papillomavirus (HPV) DNA - Vaginal Swab: Roche Linear Array - Adults | 2017 | 2018 | Laboratory | RDC Only |
| LBDR53 | HPV type 53 | HPVW_J_R | Human Papillomavirus (HPV) DNA - Vaginal Swab: Roche Linear Array - Adults | 2017 | 2018 | Laboratory | RDC Only |
| LBDR54 | HPV type 54 | HPVW_J_R | Human Papillomavirus (HPV) DNA - Vaginal Swab: Roche Linear Array - Adults | 2017 | 2018 | Laboratory | RDC Only |
| LBDR55 | HPV type 55 | HPVW_J_R | Human Papillomavirus (HPV) DNA - Vaginal Swab: Roche Linear Array - Adults | 2017 | 2018 | Laboratory | RDC Only |
| LBDR56 | HPV type 56
| HPVW_J_R | Human Papillomavirus (HPV) DNA - Vaginal Swab: Roche Linear Array - Adults | 2017 | 2018 | Laboratory | RDC Only |
| LBDR58 | HPV type 58 | HPVW_J_R | Human Papillomavirus (HPV) DNA - Vaginal Swab: Roche Linear Array - Adults | 2017 | 2018 | Laboratory | RDC Only |
| LBDR59 | HPV type 59 | HPVW_J_R | Human Papillomavirus (HPV) DNA - Vaginal Swab: Roche Linear Array - Adults | 2017 | 2018 | Laboratory | RDC Only |
| LBDR61 | HPV type 61 | HPVW_J_R | Human Papillomavirus (HPV) DNA - Vaginal Swab: Roche Linear Array - Adults | 2017 | 2018 | Laboratory | RDC Only |
| LBDR62 | HPV type 62 | HPVW_J_R | Human Papillomavirus (HPV) DNA - Vaginal Swab: Roche Linear Array - Adults | 2017 | 2018 | Laboratory | RDC Only |
| LBDR64 | HPV type 64 | HPVW_J_R | Human Papillomavirus (HPV) DNA - Vaginal Swab: Roche Linear Array - Adults | 2017 | 2018 | Laboratory | RDC Only |
| LBDR66 | HPV type 66 | HPVW_J_R | Human Papillomavirus (HPV) DNA - Vaginal Swab: Roche Linear Array - Adults | 2017 | 2018 | Laboratory | RDC Only |
| LBDR67 | HPV type 67 | HPVW_J_R | Human Papillomavirus (HPV) DNA - Vaginal Swab: Roche Linear Array - Adults | 2017 | 2018 | Laboratory | RDC Only |
| LBDR68 | HPV type 68 | HPVW_J_R | Human Papillomavirus (HPV) DNA - Vaginal Swab: Roche Linear Array - Adults | 2017 | 2018 | Laboratory | RDC Only |
| LBDR69 | HPV type 69 | HPVW_J_R | Human Papillomavirus (HPV) DNA - Vaginal Swab: Roche Linear Array - Adults | 2017 | 2018 | Laboratory | RDC Only |
| LBDR70 | HPV type 70 | HPVW_J_R | Human Papillomavirus (HPV) DNA - Vaginal Swab: Roche Linear Array - Adults | 2017 | 2018 | Laboratory | RDC Only |
| LBDR71 | HPV type 71 | HPVW_J_R | Human Papillomavirus (HPV) DNA - Vaginal Swab: Roche Linear Array - Adults | 2017 | 2018 | Laboratory | RDC Only |
| LBDR72 | HPV type 72 | HPVW_J_R | Human Papillomavirus (HPV) DNA - Vaginal Swab: Roche Linear Array - Adults | 2017 | 2018 | Laboratory | RDC Only |
| LBDR73 | HPV type 73 | HPVW_J_R | Human Papillomavirus (HPV) DNA - Vaginal Swab: Roche Linear Array - Adults | 2017 | 2018 | Laboratory | RDC Only |
| LBDR81 | HPV type 81 | HPVW_J_R | Human Papillomavirus (HPV) DNA - Vaginal Swab: Roche Linear Array - Adults | 2017 | 2018 | Laboratory | RDC Only |
| LBDR82 | HPV type 82 | HPVW_J_R | Human Papillomavirus (HPV) DNA - Vaginal Swab: Roche Linear Array - Adults | 2017 | 2018 | Laboratory | RDC Only |
| LBDR83 | HPV type 83 | HPVW_J_R | Human Papillomavirus (HPV) DNA - Vaginal Swab: Roche Linear Array - Adults | 2017 | 2018 | Laboratory | RDC Only |
| LBDR84 | HPV type 84 | HPVW_J_R | Human Papillomavirus (HPV) DNA - Vaginal Swab: Roche Linear Array - Adults | 2017 | 2018 | Laboratory | RDC Only |
| LBDR89 | HPV type 89 | HPVW_J_R | Human Papillomavirus (HPV) DNA - Vaginal Swab: Roche Linear Array - Adults | 2017 | 2018 | Laboratory | RDC Only |
| LBDRHP | Roche LA high positive globin control | HPVW_J_R | Human Papillomavirus (HPV) DNA - Vaginal Swab: Roche Linear Array - Adults | 2017 | 2018 | Laboratory | RDC Only |
| LBDRLP | Roche LA low positive globin control | HPVW_J_R | Human Papillomavirus (HPV) DNA - Vaginal Swab: Roche Linear Array - Adults | 2017 | 2018 | Laboratory | RDC Only |
| LBDRPCR | Roche HPV linear array (LA) summary result | HPVW_J_R | Human Papillomavirus (HPV) DNA - Vaginal Swab: Roche Linear Array - Adults | 2017 | 2018 | Laboratory | RDC Only |
| LBDRPI | HPV type IS39 | HPVW_J_R | Human Papillomavirus (HPV) DNA - Vaginal Swab: Roche Linear Array - Adults | 2017 | 2018 | Laboratory | RDC Only |
| SEQN | Respondent sequence number. | HPVW_J_R | Human Papillomavirus (HPV) DNA - Vaginal Swab: Roche Linear Array - Adults | 2017 | 2018 | Laboratory | RDC Only |
| LBXHP2C | Cobas HPV Swab High Risk | HPWC_J_R | Human Papillomavirus (HPV) DNA - Vaginal Swab: Roche Cobas High-Risk - Adults | 2017 | 2018 | Laboratory | RDC Only |
| SEQN | Respondent sequence number. | HPWC_J_R | Human Papillomavirus (HPV) DNA - Vaginal Swab: Roche Cobas High-Risk - Adults | 2017 | 2018 | Laboratory | RDC Only |
| LBXHP2C | Cobas HPV Swab High Risk | HPVC_J_R | Human Papillomavirus (HPV) DNA - Vaginal Swab: Roche Cobas High-Risk - Youth | 2017 | 2018 | Laboratory | RDC Only |
| SEQN | Respondent sequence number. | HPVC_J_R | Human Papillomavirus (HPV) DNA - Vaginal Swab: Roche Cobas High-Risk - Youth | 2017 | 2018 | Laboratory | RDC Only |
| SEQN | Respondent sequence number | SSPFAS_J | Perfluoroalkyl and Polyfluoroalkyl Substances (Surplus) | 2017 | 2018 | Laboratory | None |
| SSCLPF | Chlorohexadecafluorooxanonane sulfonate | SSPFAS_J | Perfluoroalkyl and Polyfluoroalkyl Substances (Surplus) | 2017 | 2018 | Laboratory | None |
| SSCLPFL | Chlorohexadecafluorooxanonane sulfonate comment code | SSPFAS_J | Perfluoroalkyl and Polyfluoroalkyl Substances (Surplus) | 2017 | 2018 | Laboratory | None |
| SSDONA | Dodecafluoro-3H-4,8-dioxanoate | SSPFAS_J | Perfluoroalkyl and Polyfluoroalkyl Substances (Surplus) | 2017 | 2018 | Laboratory | None |
| SSDONAL | Dodecafluoro-3H-4,8-dioxanoate comment code | SSPFAS_J | Perfluoroalkyl and Polyfluoroalkyl Substances (Surplus) | 2017 | 2018 | Laboratory | None |
| SSFHPS | Perfluoro-1-heptanesulfonate | SSPFAS_J | Perfluoroalkyl and Polyfluoroalkyl Substances (Surplus) | 2017 | 2018 | Laboratory | None |
| SSFHPSL | Perfluoro-1-heptanesulfonate comment code | SSPFAS_J | Perfluoroalkyl and Polyfluoroalkyl Substances (Surplus) | 2017 | 2018 | Laboratory | None |
| SSGENX | GenX | SSPFAS_J | Perfluoroalkyl and Polyfluoroalkyl Substances (Surplus) | 2017 | 2018 | Laboratory | None |
| SSGENXL | GenX comment code | SSPFAS_J | Perfluoroalkyl and Polyfluoroalkyl Substances (Surplus) | 2017 | 2018 | Laboratory | None |
| SSPFHA | Perfluorohexanoate | SSPFAS_J | Perfluoroalkyl and Polyfluoroalkyl Substances (Surplus) | 2017 | 2018 | Laboratory | None |
| SSPFHAL | Perfluorohexanoate comment code | SSPFAS_J | Perfluoroalkyl and Polyfluoroalkyl Substances (Surplus) | 2017 | 2018 | Laboratory | None |
| WTSSBJ2Y | Surplus specimen 2 year weights B for 2017-2018 | SSPFAS_J | Perfluoroalkyl and Polyfluoroalkyl Substances (Surplus) | 2017 | 2018 | Laboratory | None |
| SEQN | Respondent sequence number | UM_J_R | Lead (Youth), Strontium, and Uranium | 2017 | 2018 | Laboratory | RDC Only |
| URDUPBLC | Urinary Lead Comment Code | UM_J_R | Lead (Youth), Strontium, and Uranium | 2017 | 2018 | Laboratory | RDC Only |
| URDUSRLC | USR Comment Code | UM_J_R | Lead (Youth), Strontium, and Uranium | 2017 | 2018 | Laboratory | RDC Only |
| URDUURLC | Urinary Uranium Comment Code | UM_J_R | Lead (Youth), Strontium, and Uranium | 2017 | 2018 | Laboratory | RDC Only |
| URXUPB | Lead, urine (ug/L) | UM_J_R | Lead (Youth), Strontium, and Uranium | 2017 | 2018 | Laboratory | RDC Only |
| URXUSR | Strontium, urine (ug/L) | UM_J_R | Lead (Youth), Strontium, and Uranium | 2017 | 2018 | Laboratory | RDC Only |
| URXUUR | Uranium, urine (ug/L) | UM_J_R | Lead (Youth), Strontium, and Uranium | 2017 | 2018 | Laboratory | RDC Only |
| WTSA2YR | Subsample A Weights | UM_J_R | Lead (Youth), Strontium, and Uranium | 2017 | 2018 | Laboratory | RDC Only |
| LBDTFRSI | Transferrin receptor (nmol/L) | TFR_J | Transferrin Receptor | 2017 | 2018 | Laboratory | None |
| LBXTFR | Transferrin receptor (mg/L) | TFR_J | Transferrin Receptor | 2017 | 2018 | Laboratory | None |
| SEQN | Respondent sequence number | TFR_J | Transferrin Receptor | 2017 | 2018 | Laboratory | None |
| LBDALCLC | alpha-carotene comment code | VITAEC_J | Vitamin A, Vitamin E & Carotenoids | 2017 | 2018 | Laboratory | None |
| LBDALCSI | alpha-carotene (umol/L) | VITAEC_J | Vitamin A, Vitamin E & Carotenoids | 2017 | 2018 | Laboratory | None |
| LBDARYLC | alpha-crypotoxanthin comment code | VITAEC_J | Vitamin A, Vitamin E & Carotenoids | 2017 | 2018 | Laboratory | None |
| LBDARYSI | alpha-crypotoxanthin (umol/L) | VITAEC_J | Vitamin A, Vitamin E & Carotenoids | 2017 | 2018 | Laboratory | None |
| LBDBECLC | trans-beta-carotene comment code | VITAEC_J | Vitamin A, Vitamin E & Carotenoids | 2017 | 2018 | Laboratory | None |
| LBDBECSI | trans-beta-carotene (umol/L) | VITAEC_J | Vitamin A, Vitamin E & Carotenoids | 2017 | 2018 | Laboratory | None |
| LBDCBCLC | cis-beta-carotene comment code | VITAEC_J | Vitamin A, Vitamin E & Carotenoids | 2017 | 2018 | Laboratory | None |
| LBDCBCSI | cis-beta-carotene (umol/L) | VITAEC_J | Vitamin A, Vitamin E & Carotenoids | 2017 | 2018 | Laboratory | None |
| LBDCRYLC | beta-cryptoxanthin comment code | VITAEC_J | Vitamin A, Vitamin E & Carotenoids | 2017 | 2018 | Laboratory | None |
| LBDCRYSI | beta-cryptoxanthin (umol/L) | VITAEC_J | Vitamin A, Vitamin E & Carotenoids | 2017 | 2018 | Laboratory | None |
| LBDGTCLC | gamma-tocopherol comment code | VITAEC_J | Vitamin A, Vitamin E & Carotenoids | 2017 | 2018 | Laboratory | None |
| LBDGTCSI | gamma-tocopherol (umol/L) | VITAEC_J | Vitamin A, Vitamin E & Carotenoids | 2017 | 2018 | Laboratory | None |
| LBDLCCLC | Total Lycopene comment code | VITAEC_J | Vitamin A, Vitamin E & Carotenoids | 2017 | 2018 | Laboratory | None |
| LBDLCCSI | Total Lycopene (umol/L) | VITAEC_J | Vitamin A, Vitamin E & Carotenoids | 2017 | 2018 | Laboratory | None |
| LBDLUZLC | Lutein and zeaxanthin comment code | VITAEC_J | Vitamin A, Vitamin E & Carotenoids | 2017 | 2018 | Laboratory | None |
| LBDLUZSI | Lutein and zeaxanthin (umol/L) | VITAEC_J | Vitamin A, Vitamin E & Carotenoids | 2017 | 2018 | Laboratory | None |
| LBDLYCLC | trans-lycopene comment code | VITAEC_J | Vitamin A, Vitamin E & Carotenoids | 2017 | 2018 | Laboratory | None |
| LBDLYCSI | trans-lycopene (umol/L) | VITAEC_J | Vitamin A, Vitamin E & Carotenoids | 2017 | 2018 | Laboratory | None |
| LBDRPLLC | Retinyl palmitate comment code | VITAEC_J | Vitamin A, Vitamin E & Carotenoids | 2017 | 2018 | Laboratory | None |
| LBDRPLSI | Retinyl palmitate (umol/L) | VITAEC_J | Vitamin A, Vitamin E & Carotenoids | 2017 | 2018 | Laboratory | None |
| LBDRSTLC | Retinyl stearate comment code | VITAEC_J | Vitamin A, Vitamin E & Carotenoids | 2017 | 2018 | Laboratory | None |
| LBDRSTSI | Retinyl stearate (umol/L) | VITAEC_J | Vitamin A, Vitamin E & Carotenoids | 2017 | 2018 | Laboratory | None |
| LBDVIALC | Retinol comment code | VITAEC_J | Vitamin A, Vitamin E & Carotenoids | 2017 | 2018 | Laboratory | None |
| LBDVIASI | Retinol (umol/L) | VITAEC_J | Vitamin A, Vitamin E & Carotenoids | 2017 | 2018 | Laboratory | None |
| LBDVIELC | alpha-tocopherol comment code | VITAEC_J | Vitamin A, Vitamin E & Carotenoids | 2017 | 2018 | Laboratory | None |
| LBDVIESI | alpha-tocopherol (umol/L) | VITAEC_J | Vitamin A, Vitamin E & Carotenoids | 2017 | 2018 | Laboratory | None |
| LBXALC | alpha-carotene (ug/dL) | VITAEC_J | Vitamin A, Vitamin E & Carotenoids | 2017 | 2018 | Laboratory | None |
| LBXARY | alpha-crypotoxanthin (ug/dL) | VITAEC_J | Vitamin A, Vitamin E & Carotenoids | 2017 | 2018 | Laboratory | None |
| LBXBEC | trans-beta-carotene (ug/dL) | VITAEC_J | Vitamin A, Vitamin E & Carotenoids | 2017 | 2018 | Laboratory | None |
| LBXCBC | cis-beta-carotene (ug/dL) | VITAEC_J | Vitamin A, Vitamin E & Carotenoids | 2017 | 2018 | Laboratory | None |
| LBXCRY | beta-cryptoxanthin (ug/dL) | VITAEC_J | Vitamin A, Vitamin E & Carotenoids | 2017 | 2018 | Laboratory | None |
| LBXGTC | gamma-tocopherol (ug/dL) | VITAEC_J | Vitamin A, Vitamin E & Carotenoids | 2017 | 2018 | Laboratory | None |
| LBXLCC | Total Lycopene (ug/dL) | VITAEC_J | Vitamin A, Vitamin E & Carotenoids | 2017 | 2018 | Laboratory | None |
| LBXLUZ | Lutein and zeaxanthin (ug/dL) | VITAEC_J | Vitamin A, Vitamin E & Carotenoids | 2017 | 2018 | Laboratory | None |
| LBXLYC | trans-lycopene (ug/dL) | VITAEC_J | Vitamin A, Vitamin E & Carotenoids | 2017 | 2018 | Laboratory | None |
| LBXRPL | Retinyl palmitate (ug/dL) | VITAEC_J | Vitamin A, Vitamin E & Carotenoids | 2017 | 2018 | Laboratory | None |
| LBXRST | Retinyl stearate (ug/dL) | VITAEC_J | Vitamin A, Vitamin E & Carotenoids | 2017 | 2018 | Laboratory | None |
| LBXVIA | Retinol (ug/dL) | VITAEC_J | Vitamin A, Vitamin E & Carotenoids | 2017 | 2018 | Laboratory | None |
| LBXVIE | alpha-tocopherol (ug/dL) | VITAEC_J | Vitamin A, Vitamin E & Carotenoids | 2017 | 2018 | Laboratory | None |
| SEQN | Respondent sequence number. | VITAEC_J | Vitamin A, Vitamin E & Carotenoids | 2017 | 2018 | Laboratory | None |
| SEQN | Respondent sequence number. | OPD_J | Organophosphate Insecticides - Dialkyl Phosphate Metabolites - Urine | 2017 | 2018 | Laboratory | None |
| URDOP1LC | Dimethylphosphate Comment Code | OPD_J | Organophosphate Insecticides - Dialkyl Phosphate Metabolites - Urine | 2017 | 2018 | Laboratory | None |
| URDOP2LC | Diethylphosphate Comment Code | OPD_J | Organophosphate Insecticides - Dialkyl Phosphate Metabolites - Urine | 2017 | 2018 | Laboratory | None |
| URDOP3LC | Dimethylthiophosphate Comment Code | OPD_J | Organophosphate Insecticides - Dialkyl Phosphate Metabolites - Urine | 2017 | 2018 | Laboratory | None |
| URDOP4LC | Diethylthiophosphate Comment Code | OPD_J | Organophosphate Insecticides - Dialkyl Phosphate Metabolites - Urine | 2017 | 2018 | Laboratory | None |
| URDOP5LC | Dimethyldithiophosphate Comment Code | OPD_J | Organophosphate Insecticides - Dialkyl Phosphate Metabolites - Urine | 2017 | 2018 | Laboratory | None |
| URDOP6LC | Diethyldithiophosphate Comment Code | OPD_J | Organophosphate Insecticides - Dialkyl Phosphate Metabolites - Urine | 2017 | 2018 | Laboratory | None |
| URXOP1 | Dimethylphosphate (ng/mL) | OPD_J | Organophosphate Insecticides - Dialkyl Phosphate Metabolites - Urine | 2017 | 2018 | Laboratory | None |
| URXOP2 | Diethylphosphate (ng/mL) | OPD_J | Organophosphate Insecticides - Dialkyl Phosphate Metabolites - Urine | 2017 | 2018 | Laboratory | None |
| URXOP3 | Dimethylthiophosphate (ng/mL) | OPD_J | Organophosphate Insecticides - Dialkyl Phosphate Metabolites - Urine | 2017 | 2018 | Laboratory | None |
| URXOP4 | Diethylthiophosphate (ng/mL) | OPD_J | Organophosphate Insecticides - Dialkyl Phosphate Metabolites - Urine | 2017 | 2018 | Laboratory | None |
| URXOP5 | Dimethyldithiophosphate (ng/mL) | OPD_J | Organophosphate Insecticides - Dialkyl Phosphate Metabolites - Urine | 2017 | 2018 | Laboratory | None |
| URXOP6 | Diethyldithiophosphate (ng/mL) | OPD_J | Organophosphate Insecticides - Dialkyl Phosphate Metabolites - Urine | 2017 | 2018 | Laboratory | None |
| WTSB2YR | Environmental Subsample B Weights | OPD_J | Organophosphate Insecticides - Dialkyl Phosphate Metabolites - Urine | 2017 | 2018 | Laboratory | None |
| SEQN | Respondent sequence number. | FR_J | Flame Retardants - Urine | 2017 | 2018 | Laboratory | None |
| URDBBALC | 2,3,4,5-tetrabromobenzoic Acid Comment Code | FR_J | Flame Retardants - Urine | 2017 | 2018 | Laboratory | None |
| URDBCPLC | Bis (1-chloro-2-propyl) Phosphate Comment Code | FR_J | Flame Retardants - Urine | 2017 | 2018 | Laboratory | None |
| URDBDCLC | Bis (1,3-dichloro-2-propyl) Phosphate Comment Code | FR_J | Flame Retardants - Urine | 2017 | 2018 | Laboratory | None |
| URDCEPLC | Bis-2-chloroethyl Phosphate Comt Code | FR_J | Flame Retardants - Urine | 2017 | 2018 | Laboratory | None |
| URDDPHLC | Diphenyl Phosphate Comment Code | FR_J | Flame Retardants - Urine | 2017 | 2018 | Laboratory | None |
| URDDUPLC | Dibutyl Phosphate Comment Code | FR_J | Flame Retardants - Urine | 2017 | 2018 | Laboratory | None |
| URXBCEP | Bis-2-chloroethyl Phosphate | FR_J | Flame Retardants - Urine | 2017 | 2018 | Laboratory | None |
| URXBCPP | Bis (1-chloro-2-propyl) Phosphate | FR_J | Flame Retardants - Urine | 2017 | 2018 | Laboratory | None |
| URXBDCP | Bis (1,3-dichloro-2-propyl) Phosphate | FR_J | Flame Retardants - Urine | 2017 | 2018 | Laboratory | None |
| URXDBUP | Dibutyl Phosphate | FR_J | Flame Retardants - Urine | 2017 | 2018 | Laboratory | None |
| URXDPHP | Diphenyl Phosphate | FR_J | Flame Retardants - Urine | 2017 | 2018 | Laboratory | None |
| URXTBBA | 2,3,4,5-tetrabromobenzoic Acid | FR_J | Flame Retardants - Urine | 2017 | 2018 | Laboratory | None |
| WTSB2YR | Environmental B 2-year weights | FR_J | Flame Retardants - Urine | 2017 | 2018 | Laboratory | None |
| SEQN | Respondent sequence number. | UCOT_J | Cotinine, Hydroxycotinine, & Other Nicotine Metabolites and Analogs - Urine | 2017 | 2018 | Laboratory | None |
| URDANBLC | Anabasine, urine Comment Code | UCOT_J | Cotinine, Hydroxycotinine, & Other Nicotine Metabolites and Analogs - Urine | 2017 | 2018 | Laboratory | None |
| URDANTLC | Anatabine, urine Comment Code | UCOT_J | Cotinine, Hydroxycotinine, & Other Nicotine Metabolites and Analogs - Urine | 2017 | 2018 | Laboratory | None |
| URDCOTLC | Cotinine, urine Comment Code | UCOT_J | Cotinine, Hydroxycotinine, & Other Nicotine Metabolites and Analogs - Urine | 2017 | 2018 | Laboratory | None |
| URDCOXLC | Cotinine-N-oxide, urine Comment Code | UCOT_J | Cotinine, Hydroxycotinine, & Other Nicotine Metabolites and Analogs - Urine | 2017 | 2018 | Laboratory | None |
| URDHCTLC | Hydroxycotinine, urine Comment Code | UCOT_J | Cotinine, Hydroxycotinine, & Other Nicotine Metabolites and Analogs - Urine | 2017 | 2018 | Laboratory | None |
| URDHPBLC | 4-hydroxy-4-(3-pyridyl) butanoic acid, urine Comment Code | UCOT_J | Cotinine, Hydroxycotinine, & Other Nicotine Metabolites and Analogs - Urine | 2017 | 2018 | Laboratory | None |
| URDNCTLC | Nornicotine, urine Comment Code | UCOT_J | Cotinine, Hydroxycotinine, & Other Nicotine Metabolites and Analogs - Urine | 2017 | 2018 | Laboratory | None |
| URDNICLC | Nicotine, urine Comment Code | UCOT_J | Cotinine, Hydroxycotinine, & Other Nicotine Metabolites and Analogs - Urine | 2017 | 2018 | Laboratory | None |
| URDNOXLC | Nicotine 1'-Oxide, urine Comment Code | UCOT_J | Cotinine, Hydroxycotinine, & Other Nicotine Metabolites and Analogs - Urine | 2017 | 2018 | Laboratory | None |
| URDTNE2 | Total Nicotine Equivalents (TNE) - 2 (nmol/mL) | UCOT_J | Cotinine, Hydroxycotinine, & Other Nicotine Metabolites and Analogs - Urine | 2017 | 2018 | Laboratory | None |
| URDTNE3 | Total Nicotine Equivalents (TNE) - 3 (nmol/mL) | UCOT_J | Cotinine, Hydroxycotinine, & Other Nicotine Metabolites and Analogs - Urine | 2017 | 2018 | Laboratory | None |
| URDTNE6 | Total Nicotine Equivalents (TNE) - 6 (nmol/mL) | UCOT_J | Cotinine, Hydroxycotinine, & Other Nicotine Metabolites and Analogs - Urine | 2017 | 2018 | Laboratory | None |
| URDTNE7 | Total Nicotine Equivalents (TNE) - 7 (nmol/mL) | UCOT_J | Cotinine, Hydroxycotinine, & Other Nicotine Metabolites and Analogs - Urine | 2017 | 2018 | Laboratory | None |
| URXANBT | Anabasine, urine (ng/mL) | UCOT_J | Cotinine, Hydroxycotinine, & Other Nicotine Metabolites and Analogs - Urine | 2017 | 2018 | Laboratory | None |
| URXANTT | Anatabine, urine (ng/mL) | UCOT_J | Cotinine, Hydroxycotinine, & Other Nicotine Metabolites and Analogs - Urine | 2017 | 2018 | Laboratory | None |
| URXCOTT | Cotinine, urine (ng/mL) | UCOT_J | Cotinine, Hydroxycotinine, & Other Nicotine Metabolites and Analogs - Urine | 2017 | 2018 | Laboratory | None |
| URXCOXT | Cotinine-N-oxide, urine (ng/mL) | UCOT_J | Cotinine, Hydroxycotinine, & Other Nicotine Metabolites and Analogs - Urine | 2017 | 2018 | Laboratory | None |
| URXHCTT | Hydroxycotinine, urine (ng/mL) | UCOT_J | Cotinine, Hydroxycotinine, & Other Nicotine Metabolites and Analogs - Urine | 2017 | 2018 | Laboratory | None |
| URXHPBT | 4-hydroxy-4-(3-pyridyl) butanoic acid, urine (ng/mL) | UCOT_J | Cotinine, Hydroxycotinine, & Other Nicotine Metabolites and Analogs - Urine | 2017 | 2018 | Laboratory | None |
| URXNICT | Nicotine, urine (ng/mL) | UCOT_J | Cotinine, Hydroxycotinine, & Other Nicotine Metabolites and Analogs - Urine | 2017 | 2018 | Laboratory | None |
| URXNNCT | Nornicotine, urine (ng/mL) | UCOT_J | Cotinine, Hydroxycotinine, & Other Nicotine Metabolites and Analogs - Urine | 2017 | 2018 | Laboratory | None |
| URXNOXT | Nicotine 1'-Oxide, urine (ng/mL) | UCOT_J | Cotinine, Hydroxycotinine, & Other Nicotine Metabolites and Analogs - Urine | 2017 | 2018 | Laboratory | None |
| WTSA2YR | Subsample A Weight | UCOT_J | Cotinine, Hydroxycotinine, & Other Nicotine Metabolites and Analogs - Urine | 2017 | 2018 | Laboratory | None |
| LBDVD2LC | 25-hydroxyvitamin D2 comment code | VID_J | Vitamin D | 2017 | 2018 | Laboratory | None |
| LBDVD3LC | 25-hydroxyvitamin D3 comment code | VID_J | Vitamin D | 2017 | 2018 | Laboratory | None |
| LBDVE3LC | epi-25-hydroxyvitamin D3 comment code | VID_J | Vitamin D | 2017 | 2018 | Laboratory | None |
| LBDVIDLC | 25-hydroxyvitamin D2 + D3 comment code | VID_J | Vitamin D | 2017 | 2018 | Laboratory | None |
| LBXVD2MS | 25-hydroxyvitamin D2 (nmol/L) | VID_J | Vitamin D | 2017 | 2018 | Laboratory | None |
| LBXVD3MS | 25-hydroxyvitamin D3 (nmol/L) | VID_J | Vitamin D | 2017 | 2018 | Laboratory | None |
| LBXVE3MS | epi-25-hydroxyvitamin D3 (nmol/L) | VID_J | Vitamin D | 2017 | 2018 | Laboratory | None |
| LBXVIDMS | 25-hydroxyvitamin D2 + D3 | VID_J | Vitamin D | 2017 | 2018 | Laboratory | None |
| SEQN | Respondent sequence number. | VID_J | Vitamin D | 2017 | 2018 | Laboratory | None |
| SEQN | Respondent sequence number. | PERNT_J | Perchlorate, Nitrate & Thiocyanate - Urine | 2017 | 2018 | Laboratory | None |
| URDNO3LC | Nitrate, urine Comment Code | PERNT_J | Perchlorate, Nitrate & Thiocyanate - Urine | 2017 | 2018 | Laboratory | None |
| URDSCNLC | Thiocyanate, urine Comment Code | PERNT_J | Perchlorate, Nitrate & Thiocyanate - Urine | 2017 | 2018 | Laboratory | None |
| URDUP8LC | Perchlorate, urine Comment Code | PERNT_J | Perchlorate, Nitrate & Thiocyanate - Urine | 2017 | 2018 | Laboratory | None |
| URXNO3 | Nitrate, urine (ng/mL) | PERNT_J | Perchlorate, Nitrate & Thiocyanate - Urine | 2017 | 2018 | Laboratory | None |
| URXSCN | Thiocyanate, urine (ng/mL) | PERNT_J | Perchlorate, Nitrate & Thiocyanate - Urine | 2017 | 2018 | Laboratory | None |
| URXUP8 | Perchlorate, urine (ng/mL) | PERNT_J | Perchlorate, Nitrate & Thiocyanate - Urine | 2017 | 2018 | Laboratory | None |
| WTSA2YR | Subsample A Weights | PERNT_J | Perchlorate, Nitrate & Thiocyanate - Urine | 2017 | 2018 | Laboratory | None |
| SEQN | Respondent Sequence Number | UVOC_J | Volatile Organic Compound (VOC) Metabolites - Urine | 2017 | 2018 | Laboratory | None |
| URD2MHLC | 2-methylhippuric acid comment code | UVOC_J | Volatile Organic Compound (VOC) Metabolites - Urine | 2017 | 2018 | Laboratory | None |
| URD34MLC | 3-methylhippuric acid & 4-methylhippuric acid comment code | UVOC_J | Volatile Organic Compound (VOC) Metabolites - Urine | 2017 | 2018 | Laboratory | None |
| URDAAMLC | N-acetyl-S-(2-carbamoylethyl)-L-cysteine comment code | UVOC_J | Volatile Organic Compound (VOC) Metabolites - Urine | 2017 | 2018 | Laboratory | None |
| URDAMCLC | N-acetyl-S-(N-methylcarbamoyl)-L-cysteine comment code | UVOC_J | Volatile Organic Compound (VOC) Metabolites - Urine | 2017 | 2018 | Laboratory | None |
| URDATCLC | 2-amnothiazolne-4-carbxylic acid comment code | UVOC_J | Volatile Organic Compound (VOC) Metabolites - Urine | 2017 | 2018 | Laboratory | None |
| URDBMALC | N-acetyl-S-(benzyl)-L-cysteine comment code | UVOC_J | Volatile Organic Compound (VOC) Metabolites - Urine | 2017 | 2018 | Laboratory | None |
| URDBPMLC | N-acetyl-S-(n-propyl)-L-cysteine comment code | UVOC_J | Volatile Organic Compound (VOC) Metabolites - Urine | 2017 | 2018 | Laboratory | None |
| URDCEMLC | N-acetyl-S- (2-carboxyethyl)-L-cysteine comment code
| UVOC_J | Volatile Organic Compound (VOC) Metabolites - Urine | 2017 | 2018 | Laboratory | None |
| URDCYALC | N-Acetyl-S-(1-cyano-2-hydroxyethyl)-L-cysteine (CYHA) comment code | UVOC_J | Volatile Organic Compound (VOC) Metabolites - Urine | 2017 | 2018 | Laboratory | None |
| URDCYMLC | N-acetyl-S-(2-cyanoethyl)-L-cysteine comment code | UVOC_J | Volatile Organic Compound (VOC) Metabolites - Urine | 2017 | 2018 | Laboratory | None |
| URDDHBLC | N-acetyl-S-(3,4-dihidroxybutyl)-L-cysteine comment code | UVOC_J | Volatile Organic Compound (VOC) Metabolites - Urine | 2017 | 2018 | Laboratory | None |
| URDGAMLC | N-acetyl-S-(2-carbamoyl-2-hydroxyethyl)-L-cysteine comment code | UVOC_J | Volatile Organic Compound (VOC) Metabolites - Urine | 2017 | 2018 | Laboratory | None |
| URDHEMLC | N-acetyl-S-(2-hydroxyethyl)-L-cysteine comment code | UVOC_J | Volatile Organic Compound (VOC) Metabolites - Urine | 2017 | 2018 | Laboratory | None |
| URDHP2LC | N-acetyl-S- (2-hydroxypropyl)-L-cysteine comment code | UVOC_J | Volatile Organic Compound (VOC) Metabolites - Urine | 2017 | 2018 | Laboratory | None |
| URDHPMLC | N-acetyl-S- (3-hydroxypropyl)-L-cysteine comment code | UVOC_J | Volatile Organic Compound (VOC) Metabolites - Urine | 2017 | 2018 | Laboratory | None |
| URDMADLC | Mandelic acid comment code | UVOC_J | Volatile Organic Compound (VOC) Metabolites - Urine | 2017 | 2018 | Laboratory | None |
| URDMB3LC | N-acetyl-S- (4-hydroxy-2-butenyl)-L-cysteine comment code | UVOC_J | Volatile Organic Compound (VOC) Metabolites - Urine | 2017 | 2018 | Laboratory | None |
| URDPHELC | N-acetyl-S-(phenyl-2-hydroxyethyl)-L-cysteine comment code | UVOC_J | Volatile Organic Compound (VOC) Metabolites - Urine | 2017 | 2018 | Laboratory | None |
| URDPHGLC | Phenylglyoxylic acid comment code | UVOC_J | Volatile Organic Compound (VOC) Metabolites - Urine | 2017 | 2018 | Laboratory | None |
| URDPM3LC | N-Acetyl-S-(4-hydroxy-2-methyl-2-buten-1-yl)-L-cysteine comment code | UVOC_J | Volatile Organic Compound (VOC) Metabolites - Urine | 2017 | 2018 | Laboratory | None |
| URDPMMLC | N-acetyl-S-(3-hydroxypropyl-1-methyl)-L-cysteine comment code | UVOC_J | Volatile Organic Compound (VOC) Metabolites - Urine | 2017 | 2018 | Laboratory | None |
| URDTTCLC | 2-Thoxothazlidne-4-carbxylic comment code | UVOC_J | Volatile Organic Compound (VOC) Metabolites - Urine | 2017 | 2018 | Laboratory | None |
| URX2MH | 2-methylhippuric acid (ng/mL) | UVOC_J | Volatile Organic Compound (VOC) Metabolites - Urine | 2017 | 2018 | Laboratory | None |
| URX34M | 3-methylhippuric acid & 4-methylhippuric acid(ng/mL) | UVOC_J | Volatile Organic Compound (VOC) Metabolites - Urine | 2017 | 2018 | Laboratory | None |
| URXAAM | N-acetyl-S-(2-carbamoylethyl)-L-cysteine(ng/mL) | UVOC_J | Volatile Organic Compound (VOC) Metabolites - Urine | 2017 | 2018 | Laboratory | None |
| URXAMC | N-acetyl-S-(N-methylcarbamoyl)-L-cysteine(ng/mL) | UVOC_J | Volatile Organic Compound (VOC) Metabolites - Urine | 2017 | 2018 | Laboratory | None |
| URXATC | 2-aminothiazoline-4-carboxylic acid(ng/mL)
| UVOC_J | Volatile Organic Compound (VOC) Metabolites - Urine | 2017 | 2018 | Laboratory | None |
| URXBMA | N-acetyl-S-(benzyl)-L-cysteine(ng/mL) | UVOC_J | Volatile Organic Compound (VOC) Metabolites - Urine | 2017 | 2018 | Laboratory | None |
| URXBPM | N-acetyl-S-(n-propyl)-L-cysteine(ng/mL) | UVOC_J | Volatile Organic Compound (VOC) Metabolites - Urine | 2017 | 2018 | Laboratory | None |
| URXCEM | N-acetyl-S-(2-carboxyethyl)-L-cysteine(ng/mL) | UVOC_J | Volatile Organic Compound (VOC) Metabolites - Urine | 2017 | 2018 | Laboratory | None |
| URXCYHA | N-Acetyl-S-(1-cyano-2-hydroxyethyl)-L-cysteine (CYHA) (ng/mL) | UVOC_J | Volatile Organic Compound (VOC) Metabolites - Urine | 2017 | 2018 | Laboratory | None |
| URXCYM | N-acetyl-S-(2-cyanoethyl)-L-cysteine(ng/mL) | UVOC_J | Volatile Organic Compound (VOC) Metabolites - Urine | 2017 | 2018 | Laboratory | None |
| URXDHB | N-acetyl-S-(3,4-dihidroxybutyl)-L-cysteine(ng/mL) | UVOC_J | Volatile Organic Compound (VOC) Metabolites - Urine | 2017 | 2018 | Laboratory | None |
| URXGAM | N-acetyl-S-(2-carbamoyl-2-hydroxyethyl)-L-cysteine(ng/mL) | UVOC_J | Volatile Organic Compound (VOC) Metabolites - Urine | 2017 | 2018 | Laboratory | None |
| URXHEM | N-acetyl-S-(2-hydroxyethyl)-L-cysteine(ng/mL) | UVOC_J | Volatile Organic Compound (VOC) Metabolites - Urine | 2017 | 2018 | Laboratory | None |
| URXHP2 | N-acetyl-S- (2-hydroxypropyl)-L-cysteine(ng/mL) | UVOC_J | Volatile Organic Compound (VOC) Metabolites - Urine | 2017 | 2018 | Laboratory | None |
| URXHPM | N-acetyl-S- (3-hydroxypropyl)-L-cysteine(ng/mL) | UVOC_J | Volatile Organic Compound (VOC) Metabolites - Urine | 2017 | 2018 | Laboratory | None |
| URXIPM3 | N-Acetyl-S-(4-hydroxy-2-methyl-2-buten-1-yl)-L-cysteine (ng/mL) | UVOC_J | Volatile Organic Compound (VOC) Metabolites - Urine | 2017 | 2018 | Laboratory | None |
| URXMAD | Mandelic acid(ng/mL) | UVOC_J | Volatile Organic Compound (VOC) Metabolites - Urine | 2017 | 2018 | Laboratory | None |
| URXMB3 | N-acetyl-S- (4-hydroxy-2-butenyl)-L-cysteine (ng/mL) | UVOC_J | Volatile Organic Compound (VOC) Metabolites - Urine | 2017 | 2018 | Laboratory | None |
| URXPHE | N-acetyl-S-(phenyl-2-hydroxyethyl)-L-cysteine(ng/mL) | UVOC_J | Volatile Organic Compound (VOC) Metabolites - Urine | 2017 | 2018 | Laboratory | None |
| URXPHG | Phenylglyoxylic acid(ng/mL) | UVOC_J | Volatile Organic Compound (VOC) Metabolites - Urine | 2017 | 2018 | Laboratory | None |
| URXPMM | N-acetyl-S-(3-hydroxypropyl-1-methyl)-L-cysteine(ng/mL) | UVOC_J | Volatile Organic Compound (VOC) Metabolites - Urine | 2017 | 2018 | Laboratory | None |
| URXTTC | 2-Thioxothiazolidine-4-carboxylic acid | UVOC_J | Volatile Organic Compound (VOC) Metabolites - Urine | 2017 | 2018 | Laboratory | None |
| WTSA2YR | Subsample A Weights | UVOC_J | Volatile Organic Compound (VOC) Metabolites - Urine | 2017 | 2018 | Laboratory | None |
| SEQN | Respondent sequence number. | SSUVOC_J | Volatile Organic Compound (VOC) Metabolites II - Urine (Surplus) | 2017 | 2018 | Laboratory | None |
| SSHMFA | 5-Hydroxymethyl-2-furancarboxylic acid (ng/mL) | SSUVOC_J | Volatile Organic Compound (VOC) Metabolites II - Urine (Surplus) | 2017 | 2018 | Laboratory | None |
| SSHMFAL | 5-Hydroxymethyl-2-furancarboxylic acid comment code | SSUVOC_J | Volatile Organic Compound (VOC) Metabolites II - Urine (Surplus) | 2017 | 2018 | Laboratory | None |
| SSHMFG | 5-Hydroxymethyl-2-furoylglycine (ng/mL) | SSUVOC_J | Volatile Organic Compound (VOC) Metabolites II - Urine (Surplus) | 2017 | 2018 | Laboratory | None |
| SSHMFGL | 5-Hydroxymethyl-2-furoylglycine comment code | SSUVOC_J | Volatile Organic Compound (VOC) Metabolites II - Urine (Surplus) | 2017 | 2018 | Laboratory | None |
| SSMUCA | trans, trans-Muconic acid (ng/mL) | SSUVOC_J | Volatile Organic Compound (VOC) Metabolites II - Urine (Surplus) | 2017 | 2018 | Laboratory | None |
| SSMUCAL | trans, trans-Muconic acid comment code | SSUVOC_J | Volatile Organic Compound (VOC) Metabolites II - Urine (Surplus) | 2017 | 2018 | Laboratory | None |
| SSN2FG | N-2-Furoylglycine (ng/mL) | SSUVOC_J | Volatile Organic Compound (VOC) Metabolites II - Urine (Surplus) | 2017 | 2018 | Laboratory | None |
| SSN2FGL | N-2-Furoylglycine comment code | SSUVOC_J | Volatile Organic Compound (VOC) Metabolites II - Urine (Surplus) | 2017 | 2018 | Laboratory | None |
| SSPHMA | Phenylmercapturic acid (ng/mL) | SSUVOC_J | Volatile Organic Compound (VOC) Metabolites II - Urine (Surplus) | 2017 | 2018 | Laboratory | None |
| SSPHMAL | Phenylmercapturic acid comment code | SSUVOC_J | Volatile Organic Compound (VOC) Metabolites II - Urine (Surplus) | 2017 | 2018 | Laboratory | None |
| WTSSAJ2Y | Surplus specimen 2 year weights A for 2017-2018 | SSUVOC_J | Volatile Organic Compound (VOC) Metabolites II - Urine (Surplus) | 2017 | 2018 | Laboratory | None |
| LBDEOALC | Ethylene Oxide comment code | ETHOX_J | Ethylene Oxide | 2017 | 2018 | Laboratory | None |
| LBXEOA | Ethylene Oxide (pmol/g Hb) | ETHOX_J | Ethylene Oxide | 2017 | 2018 | Laboratory | None |
| SEQN | Respondent sequence number | ETHOX_J | Ethylene Oxide | 2017 | 2018 | Laboratory | None |
| WTSA2YR | Subsample A weights | ETHOX_J | Ethylene Oxide | 2017 | 2018 | Laboratory | None |
| SEQN | Respondent sequence number. | SSFR_J | Flame Retardants - Urine (Surplus) | 2017 | 2018 | Laboratory | None |
| SSBPPP | 4-((tert-butyl)phenyl)phenyl phosphate (µg/L) | SSFR_J | Flame Retardants - Urine (Surplus) | 2017 | 2018 | Laboratory | None |
| SSBPPPL | 4-((tert-butyl)phenyl)phenyl phosphate (µg/L) comment code | SSFR_J | Flame Retardants - Urine (Surplus) | 2017 | 2018 | Laboratory | None |
| SSIPPP | 2-((isopropyl)phenyl)phenyl phosphate (µg/L) | SSFR_J | Flame Retardants - Urine (Surplus) | 2017 | 2018 | Laboratory | None |
| SSIPPPL | 2-((isopropyl)phenyl)phenyl phosphate (µg/L) comment code | SSFR_J | Flame Retardants - Urine (Surplus) | 2017 | 2018 | Laboratory | None |
| WTSSBJ2Y | Surplus specimen 2 year weights B for 2017-2018 | SSFR_J | Flame Retardants - Urine (Surplus) | 2017 | 2018 | Laboratory | None |
| SEQN | Respondent sequence number. | SSGLYP_J | Glyphosate (GLYP) - Urine (Surplus) | 2017 | 2018 | Laboratory | None |
| SSGLYP | Glyphosate (ng/mL) | SSGLYP_J | Glyphosate (GLYP) - Urine (Surplus) | 2017 | 2018 | Laboratory | None |
| SSGLYPL | Glyphosate comment code | SSGLYP_J | Glyphosate (GLYP) - Urine (Surplus) | 2017 | 2018 | Laboratory | None |
| WTSSBJ2Y | Surplus specimen 2 year weights B for 2017-2018 | SSGLYP_J | Glyphosate (GLYP) - Urine (Surplus) | 2017 | 2018 | Laboratory | None |
| SEQN | Respondent sequence number. | SSAGP_J | Alpha-1-Acid Glycoprotein - Serum (Surplus) | 2017 | 2018 | Laboratory | None |
| SSAGP | Alpha-1-Acid Glycoprotein (g/L) | SSAGP_J | Alpha-1-Acid Glycoprotein - Serum (Surplus) | 2017 | 2018 | Laboratory | None |
| WTSSGP2Y | Surplus specimen Alpha-1-Acid Glycoprotein 2 year weights | SSAGP_J | Alpha-1-Acid Glycoprotein - Serum (Surplus) | 2017 | 2018 | Laboratory | None |