G23.9
Billable

Degenerative disease of basal ganglia, unspecified

Billable / Specific Code

What is Degenerative disease of basal ganglia, unspecified?

ICD-10-CM G23.9 is the diagnosis code for Degenerative disease of basal ganglia, unspecified. This code falls under the section "Extrapyramidal and movement disorders" 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.

Coding Guidelines for G23.9

Always refer to the official ICD-10-CM Tabular List for complete coding guidelines. Ensure documentation supports the specificity of the code selected. When in doubt, consult a certified medical coder or the latest CMS guidelines.

ICD-10-CM Code Hierarchy

Understanding where G23.9 sits in the ICD-10-CM classification helps ensure proper coding:

Current CodeG23.9 — Degenerative disease of basal ganglia, unspecified
Related Codes

Frequently Asked Questions

Is G23.9 a billable ICD-10-CM code?

Yes, G23.9 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

What does G23.9 mean?

G23.9 is the ICD-10-CM diagnosis code for "Degenerative disease of basal ganglia, unspecified". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What is the parent code of G23.9?

The parent code of G23.9 is G23 ("Other degenerative diseases of basal ganglia"). G23.9 provides a more specific classification within this category.

What section is G23.9 in?

G23.9 is located in Section G20-G26 — "Extrapyramidal and movement disorders" within Chapter 6 of the ICD-10-CM Tabular List.

When should I use G23.9?

Use G23.9 when the patients documented diagnosis matches "Degenerative disease of basal ganglia, unspecified" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.

People Also Ask

What is the ICD-10 code for Degenerative disease of basal ganglia, unspecified?

The ICD-10-CM code for Degenerative disease of basal ganglia, unspecified is G23.9.

Can G23.9 be used for primary diagnosis?

Yes, G23.9 can be used as a primary diagnosis code since it is billable and specific.

What chapter is G23.9 in?

G23.9 is in Chapter 6 of the ICD-10-CM Tabular List.

Is G23.9 valid for 2026?

Yes, G23.9 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousG23.8Other specified degenerative diseases of basal gangliaNext →G24Dystonia
Code Details
G23.9
Degenerative disease of basal ganglia, unspecified
Billable / Specific Code
6 — Diseases of the nervous system (G00-G99)
G20-G26 — Extrapyramidal and movement disorders
2026 ICD-10-CM