| G43.70 | Chronic migraine without aura, not intractable | NON-BILLABLE CODE |
| G43.701 | Chronic migraine without aura, not intractable, with status migrainosus | BILLABLE CODE |
| G43.709 | Chronic migraine without aura, not intractable, without status migrainosus | BILLABLE CODE |
| G43.71 | Chronic migraine without aura, intractable | NON-BILLABLE CODE |
| G43.711 | Chronic migraine without aura, intractable, with status migrainosus | BILLABLE CODE |
| G43.719 | Chronic migraine without aura, intractable, without status migrainosus | BILLABLE CODE |
