ICD-10-CM FY2027 diagnosis code

G40.01: Localization-related (focal) (partial) idiopathic epilepsy and epileptic syndromes with seizures of localized onset, intractable

Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027

G40.01 groups related diagnoses under localization-related (focal) (partial) idiopathic epilepsy and epileptic syndromes with seizures of localized onset, intractable. It cannot be used on a claim by itself. Choose the billable code below that matches the patient's record.

Billable codes under G40.01

Other codes in G40.0 Localization-related (focal) (partial) idiopathic epilepsy and epileptic syndromes with seizures of localized onset

G40.01 questions

Is G40.01 a billable code?

No. G40.01 is a header code that groups 2 more specific codes. Use one of the billable codes listed on this page instead.

What does G40.01 mean?

G40.01 is the ICD-10-CM code for Localization-related (focal) (partial) idiopathic epilepsy and epileptic syndromes with seizures of localized onset, intractable. It is in chapter 6, Diseases of the nervous system (G00-G99).

Code titles come from the official ICD-10-CM files published by the CDC National Center for Health Statistics. Always check payer rules and the clinical record before billing.