G11

Non-billable

Hereditary ataxia

G11 is the ICD-10-CM code for Hereditary ataxia. It is a non-billable category code — use a more specific child code such as G11.0 for billing.

Status
Header (non-billable)
Chapter
G00-G99
Subcodes
9
Edition
FY2026

G00-G99 Diseases of the nervous system

Excludes2 — not included here

  • cerebral palsy (G80.-)
  • hereditary and idiopathic neuropathy (G60.-)
  • metabolic disorders (E70-E88)

Frequently asked questions

What is ICD-10 code G11?
G11 is the ICD-10-CM code for "Hereditary ataxia". It falls under G00-G99 Diseases of the nervous system.
Is G11 a billable code?
No — G11 is a non-billable header code. Use a more specific child code (such as G11.0) for billing.
What are the subcodes of G11?
G11 has 9 more specific child codes, including G11.0, G11.1, G11.2.

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

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