G98.8: Other disorders of nervous system
G98.8 is the billable ICD-10-CM diagnosis code for Other disorders of nervous system. It is a fully specified code, so it can be reported on a claim (subject to clinical documentation and your payer's rules).
Frequently asked questions
What is ICD-10-CM code G98.8?
G98.8 is the ICD-10-CM diagnosis code for Other disorders of nervous system. It belongs to category G98 (Other disorders of nervous system not elsewhere classified).
Is G98.8 a billable code?
Yes. G98.8 is a billable, fully specified ICD-10-CM code, so it can be used on a claim (subject to documentation and payer rules).
What category does G98.8 belong to?
G98.8 is part of ICD-10-CM category G98 — Other disorders of nervous system not elsewhere classified, which has 4 billable codes.
More free billing tools: all ICD-10 categories · ICD-10 search · denial codes · Medicare fees
Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
Code the diagnosis right
Join providers across the country delivering modern virtual care with CareNiva. Free to start, ready in minutes.
100% Satisfaction Guaranteed — try it risk-free