Source Code Name Case count Share of cases (%)
OUTPAT OUTPAT_ICD10(Q838) Other congenital malformations of breast 191
OUTPAT OUTPAT_ICD10(Q831) Accessory breast 166
INPAT INPAT_ICD10(Q838) Other congenital malformations of breast 135
INPAT INPAT_ICD10(Q831) Accessory breast 55
OUTPAT OUTPAT_ICD10(Q839) Congenital malformation of breast, unspecified 45
OUTPAT OUTPAT_ICD10(Q833) Accessory nipple 22
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(Q838) Other congenital malformations of breast. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 18
INPAT INPAT_ICD10(Q839) Congenital malformation of breast, unspecified 15
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(Q831) Accessory breast. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 12
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(Q839) Congenital malformation of breast, unspecified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 9
INPAT INPAT_ICD10(Q830) Congenital absence of breast with absent nipple 6
INPAT INPAT_ICD10(Q833) Accessory nipple 6
OUTPAT OUTPAT_ICD10(Q830) Congenital absence of breast with absent nipple 6
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(Q833) Accessory nipple. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 6