ICD-10 · PDGM grouping
W45 Foreign body or object entering through skin
All 9 codes in the W45 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 W45
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 W45
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 |
|---|---|---|---|---|
| W45.0 Nail entering through skin | ||||
| W45.0XXA | Nail entering through skin, initial encounter | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W45.0XXD | Nail entering through skin, subsequent encounter | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W45.0XXS | Nail entering through skin, sequela | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W45.3 Fishing hook entering through skin | ||||
| W45.3XXA | Fishing hook entering through skin, initial encounter | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W45.3XXD | Fishing hook entering through skin, subsequent encounter | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W45.3XXS | Fishing hook entering through skin, sequela | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W45.8 Other foreign body or object entering through skin | ||||
| W45.8XXA | Other foreign body or object entering through skin, initial encounterCMS: Oth foreign body or object entering through skin, init | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W45.8XXD | Other foreign body or object entering through skin, subsequent encounterCMS: Oth foreign body or object entering through skin, subs | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W45.8XXS | Other foreign body or object entering through skin, sequela | 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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