ICD-10-CM G10 is the diagnosis code for Huntington's disease. This code falls under the section "Systemic atrophies primarily affecting the central nervous system" within Chapter 6 — Diseases of the nervous system (G00-G99). It is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
Understanding where G10 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, G10 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
G10 is the ICD-10-CM diagnosis code for "Huntington's disease". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
G10 is located in Section G10-G14 — "Systemic atrophies primarily affecting the central nervous system" within Chapter 6 of the ICD-10-CM Tabular List.
Use G10 when the patients documented diagnosis matches "Huntington's disease" 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 Huntington's disease is G10.
Yes, G10 can be used as a primary diagnosis code since it is billable and specific.
G10 is in Chapter 6 of the ICD-10-CM Tabular List.
Yes, G10 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.