Non-Billable / Non-Specific Code
ICD-10-CM G23 is the diagnosis code for Other degenerative diseases of basal ganglia. This code falls under the section "Extrapyramidal and movement disorders" 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 G23. If the patient has both, code each condition separately:
Understanding where G23 sits in the ICD-10-CM classification helps ensure proper coding:
No, G23 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.
G23 is the ICD-10-CM diagnosis code for "Other degenerative diseases of basal ganglia". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
G23 is located in Section G20-G26 â "Extrapyramidal and movement disorders" within Chapter 6 of the ICD-10-CM Tabular List.
G23 has 6 sub-code(s) that provide more specific detail: G23.0, G23.1, G23.2, G23.3, G23.8 and more.
Use G23 when the patients documented diagnosis matches "Other degenerative diseases of basal ganglia" 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 Other degenerative diseases of basal ganglia is G23.
No, G23 is non-billable. Use a more specific sub-code for primary diagnosis billing.
G23 is in Chapter 6 of the ICD-10-CM Tabular List.
Yes, G23 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.