ICD-10 · PDGM grouping
W89 Exposure to man-made visible and ultraviolet light
All 12 codes in the W89 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
12
Can lead a claim
0
Cannot lead a claim
12
What CMS assigns to W89
None of the 12 codes is assigned a clinical group. None of the 12 is assigned a comorbidity subgroup. None can lead a claim.
Every code in W89
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 |
|---|---|---|---|---|
| W89.0 Exposure to welding light (arc) | ||||
| W89.0XXA | Exposure to welding light (arc), initial encounter | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W89.0XXD | Exposure to welding light (arc), subsequent encounter | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W89.0XXS | Exposure to welding light (arc), sequela | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W89.1 Exposure to tanning bed | ||||
| W89.1XXA | Exposure to tanning bed, initial encounter | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W89.1XXD | Exposure to tanning bed, subsequent encounter | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W89.1XXS | Exposure to tanning bed, sequela | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W89.8 Exposure to other man-made visible and ultraviolet light | ||||
| W89.8XXA | Exposure to other man-made visible and ultraviolet light, initial encounterCMS: Exposure to oth man-made visible and ultraviolet light, init | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W89.8XXD | Exposure to other man-made visible and ultraviolet light, subsequent encounterCMS: Exposure to oth man-made visible and ultraviolet light, subs | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W89.8XXS | Exposure to other man-made visible and ultraviolet light, sequelaCMS: Expsr to oth man-made visible and ultraviolet light, sequela | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W89.9 Exposure to unspecified man-made visible and ultraviolet light | ||||
| W89.9XXA | Exposure to unspecified man-made visible and ultraviolet light, initial encounterCMS: Expsr to unsp man-made visible and ultraviolet light, init | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W89.9XXD | Exposure to unspecified man-made visible and ultraviolet light, subsequent encounterCMS: Expsr to unsp man-made visible and ultraviolet light, subs | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W89.9XXS | Exposure to unspecified man-made visible and ultraviolet light, sequelaCMS: Expsr to unsp man-made visible and ultraviolet light, sqla | Cannot lead a claimExternal cause of injury code 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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