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R26.9

R26.9Unspecified abnormalities of gait and mobility

Billable / specific codeICD-10-CM

R26.9 is a billable, specific ICD-10-CM code for unspecified abnormalities of gait and mobility. It is valid for submission on a claim.

Risk adjustment

R26.9 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

Medicare coverage

R26.9 is named in 8 Medicare coverage policies 8 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

  • A53057Billing and Coding: Home Health Occupational Therapy
  • A56416Billing and Coding: Assays for Vitamins and Metabolic Function
  • A56612Billing and Coding: CT of the Head
  • A56640Billing and Coding: Debridement of Mycotic Nails

How R26.9 is indexed

Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to R26.9.

  • Gait abnormality

Related codes at this level

Codes that share R26. If R26.9 is not quite right, the correct code is usually one of these.

Questions about R26.9

Is R26.9 a billable ICD-10-CM code?
Yes. R26.9 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does R26.9 sit in the tabular list?
Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99), in the block Symptoms and signs involving the nervous and musculoskeletal systems (R25-R29).
ICD-10-CMFY2026-Apr· effective April 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release — see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.