| Headaches | Category | Clarifications/Special considerations |
|
|---|---|---|---|
| I | C | ||
| a) Non-migrainous (mild or severe) | 1 | 1 | Clarification: Classification depends on accurate diagnosis of those severe headaches that are migrainous and those that are not. Read More |
| b) Migraine | |||
| i) without aura | |||
| age < 35 years | 2 | 2 | |
| age > 35 years | 2 | 2 | |
| ii) with aura, at any age | 2 | 3 | |