Source Code Name Case count Share of cases (%)
OUTPAT OUTPAT_ICD10(Q838) Other congenital malformations of breast 289
OUTPAT OUTPAT_ICD10(Q831) Accessory breast 226
INPAT INPAT_ICD10(Q838) Other congenital malformations of breast 172
INPAT INPAT_ICD10(Q831) Accessory breast 72
OUTPAT OUTPAT_ICD10(Q839) Congenital malformation of breast, unspecified 67
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(Q838) Other congenital malformations of breast. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 59
OUTPAT OUTPAT_ICD10(Q833) Accessory nipple 40
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(Q831) Accessory breast. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 28
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(Q839) Congenital malformation of breast, unspecified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 21
INPAT INPAT_ICD10(Q839) Congenital malformation of breast, unspecified 17
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(Q83) Congenital malformations of breast. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 13
INPAT INPAT_ICD10(Q833) Accessory nipple 12
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(Q833) Accessory nipple. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 12
OUTPAT OUTPAT_ICD10(Q830) Congenital absence of breast with absent nipple 9
INPAT INPAT_ICD10(Q830) Congenital absence of breast with absent nipple 8
OUTPAT OUTPAT_ICD10(Q83) Congenital malformations of breast 8