| Source | Code | Name | Case count | Share of cases (%) |
|---|---|---|---|---|
| INPAT | INPAT_ICD10(Q838) | Other congenital malformations of breast | 164 | |
| OUTPAT | OUTPAT_ICD10(Q838) | Other congenital malformations of breast | 151 | |
| OUTPAT | OUTPAT_ICD10(Q831) | Accessory breast | 127 | |
| INPAT | INPAT_ICD10(Q831) | Accessory breast | 98 | |
| OUTPAT | OUTPAT_ICD10(Q839) | Congenital malformation of breast, unspecified | 31 | |
| INPAT | INPAT_ICD10(Q839) | Congenital malformation of breast, unspecified | 21 | |
| OUTPAT | OUTPAT_ICD10(Q833) | Accessory nipple | 19 | |
| PRIM_OUT | PRIM_OUT_NOT_USED_ICD10(Q838) | Other congenital malformations of breast. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! | 16 | |
| INPAT | INPAT_ICD10(Q833) | Accessory nipple | 13 | |
| PRIM_OUT | PRIM_OUT_NOT_USED_ICD10(Q831) | Accessory breast. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! | 11 | |
| INPAT | INPAT_ICD10(Q830) | Congenital absence of breast with absent nipple | 7 | |
| PRIM_OUT | PRIM_OUT_NOT_USED_ICD10(Q839) | Congenital malformation of breast, unspecified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! | 7 | |
| OUTPAT | OUTPAT_ICD10(Q830) | Congenital absence of breast with absent nipple | 6 |