| Source | Code | Name | Case count | Share of cases (%) |
|---|---|---|---|---|
| PRIM_OUT | PRIM_OUT_NOT_USED_ICD10(K261) | Duodenal ulcer, acute with perforation. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! | 11 | |
| OUTPAT | OUTPAT_ICD10(K261)_ATC/ICD10(K261) | Duodenal ulcer, acute with perforation | 8 |