10ICD Code Hub

G40.9

Header — not billable

Epilepsy, unspecified

The ICD-10 code for epilepsy, unspecified is G40.9.

G40.9 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 2 more specific codes below.

Documentation support

General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.

Child codes under G40.9

Related codes in this category