ICD-10 · PDGM grouping
Z57 Occupational exposure to risk factors
All 11 codes in the Z57 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
11
Can lead a claim
0
Cannot lead a claim
11
What CMS assigns to Z57
None of the 11 codes is assigned a clinical group. None of the 11 is assigned a comorbidity subgroup. None can lead a claim.
Every code in Z57
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 |
|---|---|---|---|---|
| Z57.0 | Occupational exposure to noise | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z57.1 | Occupational exposure to radiation | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z57.2 | Occupational exposure to dust | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z57.3 Occupational exposure to other air contaminants | ||||
| Z57.31 | Occupational exposure to environmental tobacco smoke | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z57.39 | Occupational exposure to other air contaminants | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z57.4 | Occupational exposure to toxic agents in agriculture | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z57.5 | Occupational exposure to toxic agents in other industries | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z57.6 | Occupational exposure to extreme temperature | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z57.7 | Occupational exposure to vibration | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z57.8 | Occupational exposure to other risk factors | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| Z57.9 | Occupational exposure to unspecified risk factor | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | 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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