ICD-10 · PDGM grouping
Z84 Family history of other conditions
All 9 codes in the Z84 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.
Codes in family
9
Can lead a claim
0
Cannot lead a claim
9
What CMS assigns to Z84
None of the 9 codes is assigned a clinical group. None of the 9 is assigned a comorbidity subgroup. None can lead a claim.
Every code in Z84
Descriptions are CDC’s FY2027 wording; where CMS’s grouper abbreviates one, its form is shown beneath.
| Code | Description | Primary position | Clinical group | Comorbidity subgroup |
|---|---|---|---|---|
| Z84.0 | Family history of diseases of the skin and subcutaneous tissueCMS: Family history of diseases of the skin, subcu | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| Z84.1 Family history of disorders of kidney and ureter | ||||
| Z84.11 | Family history of APOL1-mediated kidney disease [AMKD] | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| Z84.19 | Family history of other disorders of kidney and ureter | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| Z84.2 | Family history of other diseases of the genitourinary system | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| Z84.3 | Family history of consanguinity | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| Z84.8 Family history of other specified conditions | ||||
| Z84.81 | Family history of carrier of genetic disease | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| Z84.82 | Family history of sudden infant death syndrome | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| Z84.89 | Family history of other specified conditions | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| Z84.A | Family history of exposure to diethylstilbestrol | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
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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