| Source | Code | Name | Case count | Share of cases (%) |
|---|---|---|---|---|
| OUTPAT | OUTPAT_ICD10(Q180) | Sinus, fistula and cyst of branchial cleft | 469 | |
| INPAT | INPAT_ICD10(Q180) | Sinus, fistula and cyst of branchial cleft | 335 | |
| OUTPAT | OUTPAT_ICD10(Q188) | Other specified congenital malformations of face and neck | 221 | |
| INPAT | INPAT_ICD10(Q188) | Other specified congenital malformations of face and neck | 142 | |
| OUTPAT | OUTPAT_ICD10(Q181) | Preauricular sinus and cyst | 122 | |
| INPAT | INPAT_ICD10(Q181) | Preauricular sinus and cyst | 48 | |
| 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! | 24 | |
| OUTPAT | OUTPAT_ICD10(Q182) | Other branchial cleft malformations | 17 | |
| OUTPAT | OUTPAT_ICD10(Q189) | Congenital malformation of face and neck, unspecified | 13 | |
| INPAT | INPAT_ICD10(Q189) | Congenital malformation of face and neck, unspecified | 9 | |
| INPAT | INPAT_ICD10(Q182) | Other branchial cleft malformations | 6 |