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G40.50

Non-billable

Epileptic seizures related to external causes, not intractable

G40.50 is the ICD-10-CM code for Epileptic seizures related to external causes, not intractable. It is a non-billable category code — use a more specific child code such as G40.501 for billing.

Status
Header (non-billable)
Chapter
G00-G99
Parent
G40.5
Subcodes
2
Edition
FY2026

G00-G99 Diseases of the nervous system

No additional coding notes for this code.

Frequently asked questions

What is ICD-10 code G40.50?
G40.50 is the ICD-10-CM code for "Epileptic seizures related to external causes, not intractable". It falls under G00-G99 Diseases of the nervous system.
Is G40.50 a billable code?
No — G40.50 is a non-billable header code. Use a more specific child code (such as G40.501) for billing.
What are the subcodes of G40.50?
G40.50 has 2 more specific child codes, including G40.501, G40.509.

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

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