ICD-10 · PDGM grouping
R26 Abnormalities of gait and mobility
All 6 codes in the R26 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
6
Can lead a claim
0
Cannot lead a claim
6
What CMS assigns to R26
None of the 6 codes is assigned a clinical group. None of the 6 is assigned a comorbidity subgroup. None can lead a claim.
Every code in R26
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 |
|---|---|---|---|---|
| R26.0 | Ataxic gait | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| R26.1 | Paralytic gait | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| R26.2 | Difficulty in walking, not elsewhere classified | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| R26.8 Other abnormalities of gait and mobility | ||||
| R26.81 | Unsteadiness on feet | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| R26.89 | Other abnormalities of gait and mobility | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| R26.9 | Unspecified abnormalities of gait and mobility | 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.
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