ICD-10-CM G11 is the diagnosis code for Hereditary ataxia. This code falls under the section "Systemic atrophies primarily affecting the central nervous system" within Chapter 6 â Diseases of the nervous system (G00-G99). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
The following conditions are not included in G11. If the patient has both, code each condition separately:
Understanding where G11 sits in the ICD-10-CM classification helps ensure proper coding:
No, G11 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.
G11 is the ICD-10-CM diagnosis code for "Hereditary ataxia". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
G11 is located in Section G10-G14 â "Systemic atrophies primarily affecting the central nervous system" within Chapter 6 of the ICD-10-CM Tabular List.
G11 has 9 sub-code(s) that provide more specific detail: G11.0, G11.1, G11.2, G11.3, G11.4 and more.
Use G11 when the patients documented diagnosis matches "Hereditary ataxia" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Hereditary ataxia is G11.
No, G11 is non-billable. Use a more specific sub-code for primary diagnosis billing.
G11 is in Chapter 6 of the ICD-10-CM Tabular List.
Yes, G11 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.