Source Code Name Case count Share of cases (%)
INPAT INPAT_ICD10(Q838) Other congenital malformations of breast 146
OUTPAT OUTPAT_ICD10(Q838) Other congenital malformations of breast 125
OUTPAT OUTPAT_ICD10(Q831) Accessory breast 109
INPAT INPAT_ICD10(Q831) Accessory breast 87
OUTPAT OUTPAT_ICD10(Q839) Congenital malformation of breast, unspecified 27
INPAT INPAT_ICD10(Q839) Congenital malformation of breast, unspecified 20
OUTPAT OUTPAT_ICD10(Q833) Accessory nipple 16
INPAT INPAT_ICD10(Q833) Accessory nipple 12
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(Q838) Other congenital malformations of breast. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 9
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(Q831) Accessory breast. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 8
INPAT INPAT_ICD10(Q830) Congenital absence of breast with absent nipple 7
OUTPAT OUTPAT_ICD10(Q830) Congenital absence of breast with absent nipple 6