G11.2 LATE-ONSET CEREBELLAR ATAXIA

Code Information

  • Diagnosis Code: G11.2
  • Short Description: Late-onset cerebellar ataxia
  • Long Description: Late-onset cerebellar ataxia
  • Code Version: 2025 ICD-10-CM

The code G11.2 is VALID for claim submission

Code Classification

This code is valid for adult diagnoses

Synonyms

  • Adult-onset autosomal recessive cerebellar ataxia
  • Autosomal recessive cerebellar ataxia, psychomotor delay syndrome
  • Azorean disease
  • Azorean disease, type I
  • Azorean disease, type II
  • Azorean disease, type III
  • Azorean disease, type IV
  • Episodic ataxia
  • Hereditary cerebellar atrophy
  • Late onset cerebellar ataxia
  • Marie's cerebellar ataxia
  • Periodic ataxia
  • Progressive cerebellar ataxia
  • Progressive cerebellar ataxia with hypogonadism
  • Progressive cerebellar ataxia with palatal myoclonus
  • Progressive spinocerebellar ataxia with decreased tendon reflexes
  • PUM1-related cerebellar ataxia
  • Spinocerebellar ataxia type 45
  • Spinocerebellar ataxia type 46
  • Sporadic adult-onset ataxia of unknown etiology

Crosswalk Information

ICD-10 Code ICD-9 Code ICD-9 Description
G11.2 Right Arrow 334.2 Primary cerebellar degen
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
G11.1 Early-onset cerebellar ataxia
G11.10 Early-onset cerebellar ataxia, unspecified
G11.11 Friedreich ataxia
G11.19 Other early-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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