G40.91
Non-billableEpilepsy, unspecified, intractable
G40.91 is the ICD-10-CM code for Epilepsy, unspecified, intractable. It is a non-billable category code — use a more specific child code such as G40.911 for billing.
G00-G99 Diseases of the nervous system
Includes
- •Intractable seizure 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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