ICD-10-CM > G00-G99 > G40-G47 > G40 > G40.8 G40.8 Other epilepsy and recurrent seizures Non-Billable/Non-Specific Applicable To Epilepsies and epileptic syndromes undetermined as to whether they are focal or generalizedLandau-Kleffner syndrome Codes G40.80Other epilepsyG40.801Other epilepsy, not intractable, with status epilepticusG40.802Other epilepsy, not intractable, without status epilepticusG40.803Other epilepsy, intractable, with status epilepticusG40.804Other epilepsy, intractable, without status epilepticusG40.81Lennox-Gastaut syndromeG40.811Lennox-Gastaut syndrome, not intractable, with status epilepticusG40.812Lennox-Gastaut syndrome, not intractable, without status epilepticusG40.813Lennox-Gastaut syndrome, intractable, with status epilepticusG40.814Lennox-Gastaut syndrome, intractable, without status epilepticusG40.82Epileptic spasmsG40.821Epileptic spasms, not intractable, with status epilepticusG40.822Epileptic spasms, not intractable, without status epilepticusG40.823Epileptic spasms, intractable, with status epilepticusG40.824Epileptic spasms, intractable, without status epilepticusG40.83Dravet syndromeG40.833Dravet syndrome, intractable, with status epilepticusG40.834Dravet syndrome, intractable, without status epilepticusG40.84KCNQ2-related epilepsyG40.841KCNQ2-related epilepsy, not intractable, with status epilepticusG40.842KCNQ2-related epilepsy, not intractable, without status epilepticusG40.843KCNQ2-related epilepsy, intractable, with status epilepticusG40.844KCNQ2-related epilepsy, intractable, without status epilepticusG40.89Other seizures