Source Code Name Case count Share of cases (%)
OUTPAT OUTPAT_ICD10(N602) Fibroadenosis of breast 861
OUTPAT OUTPAT_ICD10(N601) Diffuse cystic mastopathy 823
INPAT INPAT_ICD8(61000) Chronic cystic disease of breast, Fibroadenomatosis mammae 768
OUTPAT OUTPAT_ICD10(N609) Benign mammary dysplasia, unspecified 602
OUTPAT OUTPAT_ICD10(N600) Solitary cyst of breast 538
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(N602) Fibroadenosis of breast. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 467
OUTPAT OUTPAT_ICD10(N608) Other benign mammary dysplasias 458
INPAT INPAT_ICD9(6101A) Diffuse cystic mastopathy 456
INPAT INPAT_ICD8(61099) Chronic cystic disease of breast, Unspecified 451
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(N600) Solitary cyst of breast. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 395
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(N601) Diffuse cystic mastopathy. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 268
INPAT INPAT_ICD8(61001) Chronic cystic disease of breast, Cysta (cystis) mammae 229
INPAT INPAT_ICD8(61008) Chronic cystic disease of breast, Alia definita 208
OUTPAT OUTPAT_ICD10(N604) Mammary duct ectasia 200
INPAT INPAT_ICD10(N602) Fibroadenosis of breast 193
INPAT INPAT_ICD10(N609) Benign mammary dysplasia, unspecified 177
INPAT INPAT_ICD10(N601) Diffuse cystic mastopathy 163
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(N60) Benign mammary dysplasia. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 151
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(N609) Benign mammary dysplasia, unspecified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 139
INPAT INPAT_ICD8(61009) Chronic cystic disease of breast 138
INPAT INPAT_ICD9(6102A) Fibroadenosis of breast 134
OUTPAT OUTPAT_ICD10(N603) Fibrosclerosis of breast 131
INPAT INPAT_ICD10(N608) Other benign mammary dysplasias 119
INPAT INPAT_ICD10(N600) Solitary cyst of breast 85
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(N608) Other benign mammary dysplasias. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 75
INPAT INPAT_ICD9(6109X) Benign mammary dysplasia, unspecified 52
INPAT INPAT_ICD9(6100A) Solitary cyst of breast 49
INPAT INPAT_ICD10(N604) Mammary duct ectasia 39
INPAT INPAT_ICD9(6108X) Other specified benign mammary dysplasias 38
INPAT INPAT_ICD9(6103A) Fibrosclerosis of breast 30
INPAT INPAT_ICD9(6104A) Mammary duct ectasia 30
INPAT INPAT_ICD10(N603) Fibrosclerosis of breast 27
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(N604) Mammary duct ectasia. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 26
OUTPAT OUTPAT_ICD10(N60) Benign mammary dysplasia 19
INPAT INPAT_ICD8(61010) Name not found 11
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(N603) Fibrosclerosis of breast. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 10