ICD-10 · PDGM grouping
W10 Fall on and from stairs and steps
All 15 codes in the W10 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
15
Can lead a claim
0
Cannot lead a claim
15
What CMS assigns to W10
None of the 15 codes is assigned a clinical group. None of the 15 is assigned a comorbidity subgroup. None can lead a claim.
Every code in W10
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 |
|---|---|---|---|---|
| W10.0 Fall (on)(from) escalator | ||||
| W10.0XXA | Fall (on)(from) escalator, initial encounter | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W10.0XXD | Fall (on)(from) escalator, subsequent encounter | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W10.0XXS | Fall (on)(from) escalator, sequela | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W10.1 Fall (on)(from) sidewalk curb | ||||
| W10.1XXA | Fall (on)(from) sidewalk curb, initial encounter | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W10.1XXD | Fall (on)(from) sidewalk curb, subsequent encounter | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W10.1XXS | Fall (on)(from) sidewalk curb, sequela | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W10.2 Fall (on)(from) incline | ||||
| W10.2XXA | Fall (on)(from) incline, initial encounter | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W10.2XXD | Fall (on)(from) incline, subsequent encounter | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W10.2XXS | Fall (on)(from) incline, sequela | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W10.8 Fall (on) (from) other stairs and steps | ||||
| W10.8XXA | Fall (on) (from) other stairs and steps, initial encounter | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W10.8XXD | Fall (on) (from) other stairs and steps, subsequent encounterCMS: Fall (on) (from) other stairs and steps, subs encntr | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W10.8XXS | Fall (on) (from) other stairs and steps, sequela | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W10.9 Fall (on) (from) unspecified stairs and steps | ||||
| W10.9XXA | Fall (on) (from) unspecified stairs and steps, initial encounterCMS: Fall (on) (from) unspecified stairs and steps, init encntr | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W10.9XXD | Fall (on) (from) unspecified stairs and steps, subsequent encounterCMS: Fall (on) (from) unspecified stairs and steps, subs encntr | Cannot lead a claimExternal cause of injury code not reportable as principal diagnosis | None | None |
| W10.9XXS | Fall (on) (from) unspecified stairs and steps, 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.
The monthly home health regs digest
What CMS changed, what's due next, and what to do about it — one email a month, no fluff. Read the first issue