G98
Non-billableOther disorders of nervous system not elsewhere classified
G98 is the ICD-10-CM code for Other disorders of nervous system not elsewhere classified. It is a non-billable category code — use a more specific child code such as G98.0 for billing.
- Status
- Header (non-billable)
- Chapter
- G00-G99
- Subcodes
- 2
- Edition
- FY2026
G00-G99 Diseases of the nervous system
What this means — in plain language
MedlinePlus · NIHThe brain, spinal cord, and nerves make up the nervous system. Together they control all the workings of the body. When something goes wrong with a part of your nervous system, you can have trouble moving, speaking, swallowing, breathing, or learning. You can also have problems with your memory, senses, or mood. There are more than 600 neurologic diseases. Major types include: Diseases caused by faulty genes, such…
Read more about Neurologic Diseases at MedlinePlus ↗Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.
Includes
- •nervous system disorder NOS
Frequently asked questions
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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