ICD-10-CM G40.8: Other epilepsy and recurrent seizures

ICD-10-CM Diagnosis Code (2025)

Official Description for G40.8

Other epilepsy and recurrent seizures

Coding Notes & Guidelines for G40.8

Excludes1: Not Coded Here
  • post traumatic seizures (R56.1)
  • recurrent seizures NOS (G40.909)
  • seizure NOS (R56.9)
Inclusion Terms
  • Epilepsies and epileptic syndromes undetermined as to whether they are focal or generalized
  • Landau-Kleffner syndrome
Inclusion Terms

Other epilepsy without intractability with status epilepticus

Inclusion Terms
  • Other epilepsy NOS
  • Other epilepsy without intractability without status epilepticus
Inclusion Terms
  • Infantile spasms
  • Salaam attacks
  • West's syndrome
Inclusion Terms
  • Polymorphic epilepsy in infancy (PMEI)
  • Severe myoclonic epilepsy in infancy (SMEI)
Inclusion Terms

Dravet syndrome NOS

Inclusion Terms

KCNQ2-related epilepsy NOS

Parent Code (Less Specific):

About ICD-10-CM Code G40.8 (Other epilepsy and recurrent seizures)

ICD-10-CM code G40.8 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM G40.8 became effective on October 1, 2024.

This page provides detailed information about G40.8 - Other epilepsy and recurrent seizures. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Other epilepsy and recurrent seizures.