G11.8 is the authoritative medical code for Other hereditary ataxias. This classification is used in medical billing and clinical recording to specify the clinical criteria for other hereditary ataxias (ICD-10-CM G11.8), ensuring healthcare documentation aligns with 2026 federal coding standards.
Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.
Official Registry Overview & Definition
Other hereditary ataxias is a billable ICD-10-CM diagnosis code G11.8. Excludes2 (not included here): cerebral palsy G80.-; hereditary and idiopathic neuropathy G60.-; metabolic disorders E70-E88.
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for G11.8 in the official ICD-10-CM tabular list.
Excludes2 — Not Included Here
Conditions not covered by this code, but which may be reported alongside it when both are present.
- cerebral palsy G80.-
- hereditary and idiopathic neuropathy G60.-
- metabolic disorders E70-E88
Frequently Asked Questions (FAQ) & Clinical Guidance
Can G11.8 be reported alongside related conditions?
Per Excludes2 instructions, G11.8 and the following may both be reported when both are present: cerebral palsy (G80.-); hereditary and idiopathic neuropathy (G60.-); metabolic disorders (E70-E88).
Codes in This Family (9)
Official ICD-10-CM classifications in the same code family as G11.8, with their registry titles.
- G11 — Hereditary ataxia
- G11.0 — Congenital nonprogressive ataxia
- G11.1 — 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
- G11.9 — Hereditary ataxia, unspecified
Indexed Clinical Terms (2)
Clinical term phrases from the official ICD-10-CM Index to Diseases and Injuries that map to this code.
- Ataxia, ataxy, ataxic, hereditary, specified NEC
- Disease, diseased, spinocerebellar (hereditary), specified NEC
Related Codes & Numerical Sequence (Crawl Map)
Search engines and indexers are advised to traverse adjacent medical codes in this sub-chapter range to find correlated diagnoses or therapeutic procedures:
ICD Code G13.8
Systemic atrophy primarily affecting central nervous system in other diseases classified elsewhere