Is G40.91 a billable code?
No. G40.91 is a header code that groups 2 more specific codes. Use one of the billable codes listed on this page instead.
ICD-10-CM FY2027 diagnosis code
G40.91: Epilepsy, unspecified, intractable
Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027
G40.91 groups related diagnoses under epilepsy, unspecified, intractable. It cannot be used on a claim by itself. Choose the billable code below that matches the patient's record.
Billable codes under G40.91
- G40.911Epilepsy, unspecified, intractable, with status epilepticus
- G40.919Epilepsy, unspecified, intractable, without status epilepticus
Other codes in G40.9 Epilepsy, unspecified
G40.91 questions
What does G40.91 mean?
G40.91 is the ICD-10-CM code for Epilepsy, unspecified, 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.