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G40.40

Non-billable

Other generalized epilepsy and epileptic syndromes, not intractable

G40.40 is the ICD-10-CM code for Other generalized epilepsy and epileptic syndromes, not intractable. It is a non-billable category code — use a more specific child code such as G40.401 for billing.

Status
Header (non-billable)
Chapter
G00-G99
Parent
G40.4
Subcodes
2
Edition
FY2026

G00-G99 Diseases of the nervous system

Includes

  • •Other generalized epilepsy and epileptic syndromes without intractability
  • •Other generalized epilepsy and epileptic syndromes NOS

Frequently asked questions

What is ICD-10 code G40.40?
G40.40 is the ICD-10-CM code for "Other generalized epilepsy and epileptic syndromes, not intractable". It falls under G00-G99 Diseases of the nervous system.
Is G40.40 a billable code?
No — G40.40 is a non-billable header code. Use a more specific child code (such as G40.401) for billing.
What are the subcodes of G40.40?
G40.40 has 2 more specific child codes, including G40.401, G40.409.

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

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