G11.19

Billable

ChapterG00–G99

Ranksubcategory

Official Description

Other early-onset cerebellar ataxia

Metadata & Insights

•2026 ICD-10-CM Edition - Effective October 1, 2025.
•Billable/specific code (valid for reimbursement).
•Chapter 6: Diseases of the Nervous System (G00-G99).

Instructional Notes

Includes

Early-onset cerebellar ataxia with essential tremor
Early-onset cerebellar ataxia with myoclonus [Hunt's ataxia]
Early-onset cerebellar ataxia with retained tendon reflexes
X-linked recessive spinocerebellar ataxia

General instructions are available for the parent sections:

View CH6 Notes View G11 Notes

Clinical Hierarchy

CH6Diseases of the nervous system (G00-G99)

G10-G14Systemic atrophies primarily affecting the central nervous system (G10-G14)

G11Hereditary ataxia

G11.1Early-onset cerebellar ataxia

G11.19Other early-onset cerebellar ataxia

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to G11.19:

categoryG11

Hereditary ataxia

View context instructions

chapterCH6

Diseases of the nervous system (G00-G99)

View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to G11.19. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

10 raw paths

Ataxia, ataxy, ataxic5 unique routes

cerebellar (hereditary)(3 variants)

with(3 variants)

essential tremor→G11.19

myoclonus [Hunt's ataxia]→G11.19

retained tendon reflexes→G11.19

Hunt's→G11.19

spinocerebellar, X-linked recessive→G11.19

Disease, diseased1 unique routes

Hunt's (herpetic geniculate ganglionitis) (neuralgia)

dyssynergia cerebellaris myoclonica→G11.19

Dyssynergia1 unique routes

cerebellaris myoclonica (Hunt's ataxia)→G11.19

Hunt's1 unique routes

disease or syndrome (herpetic geniculate ganglionitis)

dyssynergia cerebellaris myoclonica→G11.19

Ramsay-Hunt disease or syndrome1 unique routes

meaning dyssynergia cerebellaris myoclonica→G11.19

Syndrome1 unique routes

Hunt's (herpetic geniculate ganglionitis) (neuralgia)

dyssynergia cerebellaris myoclonica→G11.19

MS-DRG Classification

2026 v43.1

This code is grouped within the following Diagnosis Related Group(s) for clinical reimbursement:

DRG 058

Multiple Sclerosis and Cerebellar Ataxia with MCC

DRG 059

Multiple Sclerosis and Cerebellar Ataxia with CC

DRG 060

Multiple Sclerosis and Cerebellar Ataxia without CC/MCC

Cross Reference

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