| Full description | Migraine, unspecified, intractable, without status migrainosus |
| Billable | Yes |
| Chapter | Chapter 6: Diseases of the nervous system (G00-G99) |
| Section | Episodic and paroxysmal disorders (G40-G47) |
| Parent code | G43.91 — Migraine, unspecified, intractable |