National Health and Nutrition Examination Survey

NHANES 2021-2022 Procedure Manuals

These manuals are part of the protocol for the National Health and Nutrition Examination Survey (NHANES), conducted by the National Center for Health Statistics. Manuals listed below were developed for interviewer and examiner training. These are important references for NHANES as all correct procedures, policies, and standards are comprehensively detailed. Dates on the first page of each manual reflect the most recent revision.


Manual Name Document
Interviewer Procedure Manual [PDF - 21.7 MB]
MEC ACASI Procedures Manual [PDF - 6.22 MB]


Manual Name Document
Laboratory Procedures Manual [PDF - 9.88 MB]


Manual Name Document
Anthropometry (Body Measures) [PDF - 5.51 MB]
Balance [PDF - 1.57 MB]
Blood Pressure – Oscillometric Measurement [PDF - 6.28 MB]
Body Composition [PDF - 4.9 MB]
Dietary Interviewer [PDF - 11.9 MB]
Liver Ultrasound Transient Elastography [PDF - 5.95 MB]
Urine Specimen Collection [PDF - 904 KB]