| Source | Code | Name | Case count | Share of cases (%) |
|---|---|---|---|---|
| PRIM_OUT | PRIM_OUT_NOT_USED_ICD10(K221) | Ulcer of oesophagus. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! | 225 | |
| OUTPAT | OUTPAT_ICD10(K221)_ATC/ICD10(K221) | Ulcer of oesophagus | 173 |