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G11.1

Non-billable

Early-onset cerebellar ataxia

G11.1 is the ICD-10-CM code for Early-onset cerebellar ataxia. It is a non-billable category code — use a more specific child code such as G11.10 for billing.

Status
Header (non-billable)
Chapter
G00-G99
Parent
G11
Subcodes
3
Edition
FY2026

G00-G99 Diseases of the nervous system

No additional coding notes for this code.

Frequently asked questions

What is ICD-10 code G11.1?
G11.1 is the ICD-10-CM code for "Early-onset cerebellar ataxia". It falls under G00-G99 Diseases of the nervous system.
Is G11.1 a billable code?
No — G11.1 is a non-billable header code. Use a more specific child code (such as G11.10) for billing.
What are the subcodes of G11.1?
G11.1 has 3 more specific child codes, including G11.10, G11.11, G11.19.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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