The 2022 American College of Rheumatology/European Alliance of Associations eosinophilic granulomatosis with polyangiitis classification criteria
| Clinical criteria | Obstructive airway disease | +3 |
| Nasal polyps | +3 | |
| Mononeuritis multiplex | +1 | |
| Laboratory criteria | Blood eosinophil count ≥1×109 cells per L | +5 |
| Biopsy evidence of extravascular eosinophilic inflammation | +2 | |
| Positive test for cytoplasmic antineutrophilic cytoplasmic antibodies (cANCA) or anti-proteinase 3 (PR3) antibodies | −3 | |
| Haematuria | −1 |
Reproduced from [41] with permission.