| Description of Measure | Three-year prevalence period of MHS beneficiaries with diagnosed polycystic kidney disease (PKD).
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| Data Set | Source files from MHS Data Repository (MDR).
ICD Coding: GENESIS Encounter (BDE 3.0, direct care), GENESIS Admission Table (BDE 3.0, direct care), CAPER (direct care outpatient claims), SIDR (direct care inpatient claims), TED-NI (private care outpatient claims), TED-I Header (private care inpatient claims).
Laboratories: CDR Chemistry, SIDR, CADRE Laboratory Enhanced, GENESIS Laboratory Results (BDE 3.0), TED-NI (private-sector laboratory claims).
Demographics: VM6BEN (demographic information from the Defense Enrollment Eligibility Reporting System), GENESIS Person (BDE 3.0).
Medications: PDTS (Pharmacy Data Transaction Service).
BDE: Bulk Data extract, CADRE: Comprehensive Ancillary Data Record Extract, CAPER: Comprehensive
Ambulatory/Professional Encounter Record, CDR: Clinical Data Repository, GENESIS: name of the MHS EHR, SIDR: Standard Inpatient Data Record, TED-I: TRICARE Encounter Data – Institutional, TED-NI: TRICARE Encounter Data – Non-Institutional.
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| Population | Beneficiaries of all ages enrolled in the TRICARE Prime or Plus managed care options. |
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| Years Included | Fiscal years 2016−2021 (October 1, 2015, to September 30, 2021). The analyses were divided into two three-year periods, 2016–2018 and 2019–2021. |
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| Numerator | The number of beneficiaries in the denominator with ICD-10 code for PKD. Data cells with less than 11 counts were suppressed. |
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| Denominator | Population enrolled in Defense Enrollment Eligibility Reporting System (DEERS) in the midpoint year of each wave (i.e., 2017 and 2020). |
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| Definition of PKD | Presence of one ICD-10 code for PKD for an evaluation and management (E/M) encounter with a physician, nurse practitioner, or physician assistant, in any of the three years of the wave. |
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| ICD-10 Codes | Q612 (polycystic kidney disease, autosomal dominant) and Q613 (polycystic kidney disease, unspecified). |
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| Dialysis and Transplant | Beneficiaries with encounters with ICD-9 or ICD-10 or CPT codes for dialysis or transplant were included. |
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| Age Standardization | Estimates were standardized to the 2010 U.S. Census population for adults: 18–39 years: 37.1%, 40–59 years: 38.1%, 60–69 years: 12.8%, and 70+ years: 12.0%. Age-standardized prevalence excluded pediatric numbers. |
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| Limitations of Indicator | PKD is captured by ICD diagnosis codes from claims and coding data and does not include results from imaging tests, genetic testing, or laboratory evaluation. |
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| Analytical Considerations | For PKD, it should be noted that ascertainment using claims data can be low. Active-duty service members constitute around 43% of MHS beneficiaries and tend to be younger and healthier than the general population. |
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| Disclaimer | The contents of this publication are the sole responsibility of the authors and do not necessarily reflect the views, assertions, opinions, or policies of the Uniformed Services University of the Health Sciences, the Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., the Departments of the Army, Navy, or Air Force, or the Department of Health and Human Services. |
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