| Source | Code | Name | Case count | Share of cases (%) |
|---|---|---|---|---|
| OUTPAT | OUTPAT_ICD10(L501) | Idiopathic urticaria | 475 | |
| PRIM_OUT | PRIM_OUT_NOT_USED_ICD10(L501) | Idiopathic urticaria. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! | 250 | |
| INPAT | INPAT_ICD9(7081A) | Idiopathic urticaria | 43 | |
| INPAT | INPAT_ICD10(L501) | Idiopathic urticaria | 28 |