October 1 update. Our PDGM and ICD-10 tools now use the FY2027 code set: 190 codes added, 30 deleted, and no existing code changed clinical group.

See what changed

ICD-10 · PDGM grouping

Z83 Family history of other specific disorders

All 19 codes in the Z83 family, with the PDGM clinical group, comorbidity subgroup and primary-position rule CMS assigns, read from the CMS grouper crosswalk v07.2.26 and the CDC FY2027 code file.

ICD-10-CM FY2027 · CMS grouper v07.2.26

Codes in family

19

Can lead a claim

0

Cannot lead a claim

19

What CMS assigns to Z83

None of the 19 codes is assigned a clinical group. None of the 19 is assigned a comorbidity subgroup. None can lead a claim.

Every code in Z83

Descriptions are CDC’s FY2027 wording; where CMS’s grouper abbreviates one, its form is shown beneath.

CodeDescriptionPrimary positionClinical groupComorbidity subgroup
Z83.0Family history of human immunodeficiency virus [HIV] diseaseCannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosisNoneNone
Z83.1Family history of other infectious and parasitic diseasesCannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosisNoneNone
Z83.2Family history of diseases of the blood and blood-forming organs and certain disorders involving the immune mechanismCMS: Family history of dis of the bld/bld-form org/immun mechnsmCannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosisNoneNone
Z83.3Family history of diabetes mellitusCannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosisNoneNone
Z83.4 Family history of other endocrine, nutritional and metabolic diseases
Z83.41Family history of multiple endocrine neoplasia [MEN] syndromeCMS: Family history of multiple endocrine neoplasia syndromeCannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosisNoneNone
Z83.42Family history of familial hypercholesterolemiaCannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosisNoneNone
Z83.43 Family history of other disorder of lipoprotein metabolism and other lipidemias
Z83.430Family history of elevated lipoprotein(a)Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosisNoneNone
Z83.438Family history of other disorder of lipoprotein metabolism and other lipidemiaCMS: Fam hx of disord of lipoprotein metab and other lipidemiaCannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosisNoneNone
Z83.49Family history of other endocrine, nutritional and metabolic diseasesCMS: Family history of endo, nutritional and metabolic diseasesCannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosisNoneNone
Z83.5 Family history of eye and ear disorders
Z83.51 Family history of eye disorders
Z83.511Family history of glaucomaCannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosisNoneNone
Z83.518Family history of other specified eye disorderCannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosisNoneNone
Z83.52Family history of ear disordersCannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosisNoneNone
Z83.6Family history of other diseases of the respiratory systemCannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosisNoneNone
Z83.7 Family history of diseases of the digestive system
Z83.71 Family history of colonic polyps
Z83.710Family history of adenomatous and serrated polypsCannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosisNoneNone
Z83.711Family history of hyperplastic colon polypsCannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosisNoneNone
Z83.718Family history of other colon polypsCannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosisNoneNone
Z83.719Family history of colon polyps, unspecifiedCannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosisNoneNone
Z83.72Family history of familial adenomatous polyposisCannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosisNoneNone
Z83.79Family history of other diseases of the digestive systemCannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosisNoneNone

Sources: CMS HH PPS Grouper Software v07.2.26, effective 2026-10-01, for the clinical group, comorbidity subgroup, code-first conventions and primary-position flags; CDC NCHS ICD-10-CM FY2027 code descriptions for the family title and code wording. This is the crosswalk Medicare runs a claim through. Grouping also depends on admission source, timing, the OASIS functional items and the rest of the diagnosis list.

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