ICD-10 · PDGM grouping
Z58 Problems related to physical environment
All 3 codes in the Z58 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
3
Can lead a claim
0
Cannot lead a claim
3
What CMS assigns to Z58
None of the 3 codes is assigned a clinical group. None of the 3 is assigned a comorbidity subgroup. None can lead a claim.
Every code in Z58
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 |
|---|---|---|---|---|
| Z58.6 | Inadequate drinking-water supply | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| Z58.8 Other problems related to physical environment | ||||
| Z58.81 | Basic services unavailable in physical environment | Cannot lead a claimUnacceptable principal diagnosis, code is not reportable as principal diagnosis | None | None |
| Z58.89 | Other problems related to physical environment | 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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