G11
Header — not billableHereditary ataxia
The ICD-10 code for hereditary ataxia is G11.
G11 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 9 more specific codes below.
Clinical notes
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This is a non-billable header code. Documentation must support a more specific child code before this diagnosis can be reported on a claim.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Child codes under G11
- G11.0Congenital nonprogressive ataxia
- G11.1Early-onset cerebellar ataxianon-billable header
- G11.2Late-onset cerebellar ataxia
- G11.3Cerebellar ataxia with defective DNA repair
- G11.4Hereditary spastic paraplegia
- G11.5Hypomyelination - hypogonadotropic hypogonadism - hypodontia
- G11.6Leukodystrophy with vanishing white matter disease
- G11.8Other hereditary ataxias
- G11.9Hereditary ataxia, unspecified