G11 Hereditary ataxia
ICD-10-CM category G11 sits in Chapter 6 (Diseases of the nervous system, G00-G99). It contains 11 billable codes for FY2027, effective October 1, 2026 to September 30, 2027. Always code to the most specific code available: a code with more characters that describes the diagnosis more precisely takes priority over a shorter one.
Subcategories
G11.1 Early-onset cerebellar ataxia
Billable codes in G11
| Code | Description |
|---|---|
G11.0 | Congenital nonprogressive ataxia |
G11.10 | Early-onset cerebellar ataxia, unspecified |
G11.11 | Friedreich ataxia |
G11.19 | Other early-onset cerebellar ataxia |
G11.2 | Late-onset cerebellar ataxia |
G11.3 | Cerebellar ataxia with defective DNA repair |
G11.4 | Hereditary spastic paraplegia |
G11.5 | Hypomyelination - hypogonadotropic hypogonadism - hypodontia |
G11.6 | Leukodystrophy with vanishing white matter disease |
G11.8 | Other hereditary ataxias |
G11.9 | Hereditary ataxia, unspecified |
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