ICD-10-CM Diagnosis Code (2025)
Official Description for G40.4
Other generalized epilepsy and epileptic syndromes
Coding Notes & Guidelines for G40.4
Use Additional Code
- code, if known, to identify associated manifestations, such as:
- cortical blindness (H47.61-)
- global developmental delay (F88)
Inclusion Terms
- Epilepsy with grand mal seizures on awakening
- Epilepsy with myoclonic absences
- Epilepsy with myoclonic-astatic seizures
- Grand mal seizure NOS
- Nonspecific atonic epileptic seizures
- Nonspecific clonic epileptic seizures
- Nonspecific myoclonic epileptic seizures
- Nonspecific tonic epileptic seizures
- Nonspecific tonic-clonic epileptic seizures
- Symptomatic early myoclonic encephalopathy
Inclusion Terms
- Other generalized epilepsy and epileptic syndromes without intractability
- Other generalized epilepsy and epileptic syndromes NOS
Inclusion Terms
CDKL5
Parent Code (Less Specific):
About ICD-10-CM Code G40.4 (Other generalized epilepsy and epileptic syndromes)
ICD-10-CM code G40.4 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 G40.4 became effective on October 1, 2024.
This page provides detailed information about G40.4 - Other generalized epilepsy and epileptic syndromes. 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 generalized epilepsy and epileptic syndromes.