G32.81: Cerebellar ataxia in diseases classified elsewhere
G32.81 is a billable, specific ICD-10-CM code for cerebellar ataxia in diseases classified elsewhere. It is valid for submission on a claim.
Check G32.81 with the rest of the claim: free scrubberExcludes1: never code together
These conditions cannot occur together. Billing both on the same encounter is a denial.
Code first
The underlying condition must be sequenced before this code.
Risk adjustment
G32.81 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:
- HCC 182 Spinal Cord Disorders/Injuries0.478 RAF
Coefficient shown for the Community Non-dual Aged segment. A higher HCC in the same hierarchy will suppress this one, so capturing it does not always add score. Look up the whole chart to see which of its HCCs the hierarchy would zero.
Medicare coverage
G32.81 is named in 12 Medicare coverage policies: 12 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.
- A53057Billing and Coding: Home Health Occupational Therapy
- A53064Billing and Coding: Outpatient Occupational Therapy
- A53065Billing and Coding: Outpatient Physical Therapy
- A54969Billing and Coding: Nerve Conduction Studies and Electromyography
Alphabetic index entries that lead here
- Ataxia, ataxy, ataxic›cerebellar›in›specified disease NEC
Code history
Unchanged in every release from FY2024 to FY2027.