| Full description | Generalized idiopathic epilepsy and epileptic syndromes, intractable |
| Billable | No — use a more specific child code |
| Chapter | Chapter 6: Diseases of the nervous system (G00-G99) |
| Section | Episodic and paroxysmal disorders (G40-G47) |
| Parent code | G40.3 — Generalized idiopathic epilepsy and epileptic syndromes |