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G40.90

Non-billable

Epilepsy, unspecified, not intractable

G40.90 is the ICD-10-CM code for Epilepsy, unspecified, not intractable. It is a non-billable category code — use a more specific child code such as G40.901 for billing.

Status
Header (non-billable)
Chapter
G00-G99
Parent
G40.9
Subcodes
2
Edition
FY2026

G00-G99 Diseases of the nervous system

Includes

  • •Epilepsy, unspecified, without intractability

Frequently asked questions

What is ICD-10 code G40.90?
G40.90 is the ICD-10-CM code for "Epilepsy, unspecified, not intractable". It falls under G00-G99 Diseases of the nervous system.
Is G40.90 a billable code?
No — G40.90 is a non-billable header code. Use a more specific child code (such as G40.901) for billing.
What are the subcodes of G40.90?
G40.90 has 2 more specific child codes, including G40.901, G40.909.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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