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ICD-10-CM Code G11.2
Late-onset cerebellar ataxia

Billable Code
Billable codes are sufficient justification for admission to an acute care hospital when used a principal diagnosis.
Adult Only
Adult Only
Code is only used for patients 15 years old or older.
| ICD-10 from 2011 - 2016

G11.2 is a billable ICD code used to specify a diagnosis of late-onset cerebellar ataxia. A 'billable code' is detailed enough to be used to specify a medical diagnosis.

The ICD code G112 is used to code Spinocerebellar ataxia type 6

Spinocerebellar ataxia type 6 (SCA6) is a rare, late-onset, autosomal dominant disorder, which, like other types of SCA, is characterized by dysarthria, oculomotor disorders, peripheral neuropathy, and ataxia of the gait, stance, and limbs due to cerebellar dysfunction. Unlike other types, SCA 6 is not fatal. This cerebellar function is permanent and progressive, differentiating it from episodic ataxia type 2 (EA2) where said dysfunction is episodic. In some SCA6 families, some members show these classic signs of SCA6 while others show signs more similar to EA2, suggesting that there is some phenotypic overlap between the two disorders. SCA6 is caused by mutations in CACNA1A, a gene encoding a calcium channel α subunit. These mutations tend to be trinucleotide repeats of CAG, leading to the production of mutant proteins containing stretches of 20 or more consecutive glutamine residues; these proteins have an increased tendency to form intracellular agglomerations. Unlike many other polyglutamine expansion disorders expansion length is not a determining factor for the age that symptoms present.

Specialty: Neurology
MeSH Codes: , , D002524
ICD 9 Codes: 334.9, 334.9, 334.3
Source: Wikipedia

MS-DRG Mapping

  • DRG Group #058-060 - Multiple sclerosis and cerebellar ataxia with MCC.
  • DRG Group #058-060 - Multiple sclerosis and cerebellar ataxia with CC.
  • DRG Group #058-060 - Multiple sclerosis and cerebellar ataxia without CC or MCC.

Related Concepts SNOMET-CT

  • Azorean disease (disorder)

ICD-10-CM Alphabetical Index References for 'G11.2 - Late-onset cerebellar ataxia'

The ICD-10-CM Alphabetical Index links the below-listed medical terms to the ICD code G11.2. Click on any term below to browse the alphabetical index.


Primary cerebellar degeneration (approximate match)

This is the official approximate match mapping between ICD9 and ICD10, as provided by the General Equivalency mapping crosswalk. This means that while there is no exact mapping between this ICD10 code G11.2 and a single ICD9 code, 334.2 is an approximate match for comparison and conversion purposes.

Parent Code: G11 - Hereditary ataxia

** This Document Provided By ICD.Codes **
Source: http://icd.codes/icd10cm/G112