G13
Non-billableSystemic atrophies primarily affecting central nervous system in diseases classified elsewhere
G13 is the ICD-10-CM code for Systemic atrophies primarily affecting central nervous system in diseases classified elsewhere. It is a non-billable category code — use a more specific child code such as G13.0 for billing.
- Status
- Header (non-billable)
- Chapter
- G00-G99
- Subcodes
- 4
- 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.
Frequently asked questions
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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