G23
Non-billableOther degenerative diseases of basal ganglia
G23 is the ICD-10-CM code for Other degenerative diseases of basal ganglia. It is a non-billable category code — use a more specific child code such as G23.0 for billing.
- Status
- Header (non-billable)
- Chapter
- G00-G99
- Subcodes
- 6
- Edition
- FY2026
G00-G99 Diseases of the nervous system
What this means — in plain language
MedlinePlus · NIHYour brain is the control center of your body. It controls your thoughts, memory, speech, and movement. It regulates the function of many organs. It's part of your nervous system, which also includes your spinal cord and peripheral nerves. The nervous system sends signals between your brain and the rest of the body. Your nerves take in information from your senses and send it to the brain to be processed. Your brain…
Read more about Brain Diseases at MedlinePlus ↗Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.
Excludes2 — not included here
- •multi-system degeneration of the autonomic nervous system (G90.3)
Frequently asked questions
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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