G11 Hereditary ataxia

⚠ Non-Billable ICD-10-CM 2026
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The ICD-10-CM code for Hereditary ataxia is G11 (FY2026). It is a non-billable category code — select a more specific code below for claims.

Classification

Section
G10-G14: Systemic atrophies primarily affecting the central nervous system (G10-G14)
Category G11
13 codes (11 billable)
FY2026 Status
Stable since FY2024
Excludes2
Not included here. These conditions are coded elsewhere but may be coded together if applicable.
  • cerebral palsy (G80.-)
  • hereditary and idiopathic neuropathy (G60.-)
  • metabolic disorders (E70-E88)

Official Coding Guidelines

Dominant/nondominant side (TOC entry)

a. Dominant/nondominant side ................................................................................................. 45

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.6.a
Pain - Category G89 (TOC entry)

b. Pain - Category G89.............................................................................................................. 45

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.6.b

Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026

References

Related Codes

More Specific Codes

G11.0 Congenital nonprogressive ataxia G11.1 Early-onset cerebellar 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

Related Codes in G11

G11.0 Congenital nonprogressive ataxia G11.1 Early-onset cerebellar 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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Reviewed by Prajwal Shrestha, CPC, CRC
Certified Professional Coder (CPC) and Certified Risk Adjustment Coder (CRC) · AAPC Member ID 01997614 · About · Editorial policy · Content last reviewed: 2025-10-01

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