G99
Non-billableOther disorders of nervous system in diseases classified elsewhere
G99 is the ICD-10-CM code for Other disorders of nervous system in diseases classified elsewhere. It is a non-billable category code — use a more specific child code such as G99.0 for billing.
- Status
- Header (non-billable)
- Chapter
- G00-G99
- Subcodes
- 3
- Edition
- FY2026
G00-G99 Diseases of the nervous system
No additional coding notes for this code.
Frequently asked questions
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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