ICD-10 · PDGM grouping
W00 Fall due to ice and snow
All 12 codes in the W00 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 W00
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 W00
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 |
|---|---|---|---|---|
| W00.0 Fall on same level due to ice and snow | ||||
| W00.0XXA | Fall on same level due to ice and snow, initial encounter | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W00.0XXD | Fall on same level due to ice and snow, subsequent encounter | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W00.0XXS | Fall on same level due to ice and snow, sequela | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W00.1 Fall from stairs and steps due to ice and snow | ||||
| W00.1XXA | Fall from stairs and steps due to ice and snow, initial encounterCMS: Fall from stairs and steps due to ice and snow, init encntr | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W00.1XXD | Fall from stairs and steps due to ice and snow, subsequent encounterCMS: Fall from stairs and steps due to ice and snow, subs encntr | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W00.1XXS | Fall from stairs and steps due to ice and snow, sequela | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W00.2 Other fall from one level to another due to ice and snow | ||||
| W00.2XXA | Other fall from one level to another due to ice and snow, initial encounterCMS: Oth fall from one level to another due to ice and snow, init | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W00.2XXD | Other fall from one level to another due to ice and snow, subsequent encounterCMS: Oth fall from one level to another due to ice and snow, subs | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W00.2XXS | Other fall from one level to another due to ice and snow, sequelaCMS: Oth fall from one level to another due to ice and snow, sqla | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W00.9 Unspecified fall due to ice and snow | ||||
| W00.9XXA | Unspecified fall due to ice and snow, initial encounter | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W00.9XXD | Unspecified fall due to ice and snow, subsequent encounter | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W00.9XXS | Unspecified fall due to ice and snow, 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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