| Source | Code | Name | Case count | Share of cases (%) |
|---|---|---|---|---|
| OUTPAT | OUTPAT_ICD10(Q180) | Sinus, fistula and cyst of branchial cleft | 418 | |
| INPAT | INPAT_ICD10(Q180) | Sinus, fistula and cyst of branchial cleft | 314 | |
| OUTPAT | OUTPAT_ICD10(Q188) | Other specified congenital malformations of face and neck | 195 | |
| INPAT | INPAT_ICD10(Q188) | Other specified congenital malformations of face and neck | 131 | |
| OUTPAT | OUTPAT_ICD10(Q181) | Preauricular sinus and cyst | 101 | |
| INPAT | INPAT_ICD10(Q181) | Preauricular sinus and cyst | 83 | |
| PRIM_OUT | PRIM_OUT_NOT_USED_ICD10(Q180) | Sinus, fistula and cyst of branchial cleft. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! | 21 | |
| OUTPAT | OUTPAT_ICD10(Q182) | Other branchial cleft malformations | 14 | |
| OUTPAT | OUTPAT_ICD10(Q189) | Congenital malformation of face and neck, unspecified | 13 | |
| INPAT | INPAT_ICD10(Q189) | Congenital malformation of face and neck, unspecified | 8 | |
| INPAT | INPAT_ICD10(Q182) | Other branchial cleft malformations | 7 |