G98: Other disorders of nervous system not elsewhere classified
Codes under G98 (Other disorders of nervous system not elsewhere classified). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| G98.0 | Neurogenic arthritis, not elsewhere classified | ✓ |
| G98.0 | Neurogenic arthritis, not elsewhere classified | ✓ |
| G98.8 | Other disorders of nervous system | ✓ |
| G98.8 | Other disorders of nervous system | ✓ |
Frequently asked questions
What is ICD-10-CM code G98?
G98 is an ICD-10-CM category covering Other disorders of nervous system not elsewhere classified. It contains 4 more specific diagnosis codes, 4 of which are billable.
Is G98 a billable code?
No — G98 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example G98.0 — Neurogenic arthritis, not elsewhere classified). 4 of the 4 codes under G98 are billable.
What codes fall under G98?
G98 includes G98.0, G98.0, G98.8, G98.8. See the full list with descriptions and billable status above.
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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