G11.1 EARLY-ONSET CEREBELLAR ATAXIA

Code Information

Diagnosis Code: G11.1
Short Description: Early-onset cerebellar ataxia
Long Description: Early-onset cerebellar ataxia
Code Version: 2025 ICD-10-CM

The code G11.1 is NOT VALID for claim submission

Code Classification

Diseases of the nervous system (G00–G99)
- Systemic atrophies primarily affecting the central nervous system (G10-G14)
  - Hereditary ataxia (G11)

Crosswalk Information

ICD-10 Code		ICD-9 Code	ICD-9 Description
G11.1		334.0	Friedreich's ataxia
G11.1		334.3	Cerebellar ataxia NEC

This ICD-10 to ICD-9 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-10 Code	ICD-10 Description
G11	Hereditary ataxia
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

This page was last updated on: 10/1/2025

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