ICD-10-CM > G00-G99 > G40-G47 > G40 > G40.3 > G40.31 G40.31 Generalized idiopathic epilepsy and epileptic syndromes, intractable Non-Billable/Non-Specific Codes G40.311Generalized idiopathic epilepsy and epileptic syndromes, intractable, with status epilepticusG40.319Generalized idiopathic epilepsy and epileptic syndromes, intractable, without status epilepticus