Source Code Name Case count Share of cases (%)
INPAT INPAT_ICD8(61000) Chronic cystic disease of breast, Fibroadenomatosis mammae 547
OUTPAT OUTPAT_ICD10(N601) Diffuse cystic mastopathy 526
OUTPAT OUTPAT_ICD10(N609) Benign mammary dysplasia, unspecified 406
OUTPAT OUTPAT_ICD10(N602) Fibroadenosis of breast 398
INPAT INPAT_ICD9(6101A) Diffuse cystic mastopathy 347
INPAT INPAT_ICD8(61099) Chronic cystic disease of breast, Unspecified 336
OUTPAT OUTPAT_ICD10(N600) Solitary cyst of breast 325
INPAT INPAT_ICD10(N602) Fibroadenosis of breast 234
OUTPAT OUTPAT_ICD10(N608) Other benign mammary dysplasias 226
INPAT INPAT_ICD10(N609) Benign mammary dysplasia, unspecified 198
INPAT INPAT_ICD8(61001) Chronic cystic disease of breast, Cysta (cystis) mammae 167
INPAT INPAT_ICD8(61008) Chronic cystic disease of breast, Alia definita 155
INPAT INPAT_ICD10(N601) Diffuse cystic mastopathy 153
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(N600) Solitary cyst of breast. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 136
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(N602) Fibroadenosis of breast. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 114
INPAT INPAT_ICD10(N608) Other benign mammary dysplasias 106
OUTPAT OUTPAT_ICD10(N604) Mammary duct ectasia 104
INPAT INPAT_ICD9(6102A) Fibroadenosis of breast 103
INPAT INPAT_ICD8(61009) Chronic cystic disease of breast 96
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(N601) Diffuse cystic mastopathy. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 93
INPAT INPAT_ICD10(N600) Solitary cyst of breast 91
OUTPAT OUTPAT_ICD10(N603) Fibrosclerosis of breast 77
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(N60) Benign mammary dysplasia. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 71
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(N609) Benign mammary dysplasia, unspecified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 48
INPAT INPAT_ICD9(6100A) Solitary cyst of breast 39
INPAT INPAT_ICD9(6109X) Benign mammary dysplasia, unspecified 35
INPAT INPAT_ICD10(N604) Mammary duct ectasia 34
INPAT INPAT_ICD9(6108X) Other specified benign mammary dysplasias 31
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(N608) Other benign mammary dysplasias. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 27
INPAT INPAT_ICD10(N603) Fibrosclerosis of breast 24
INPAT INPAT_ICD9(6104A) Mammary duct ectasia 23
INPAT INPAT_ICD9(6103A) Fibrosclerosis of breast 21
OUTPAT OUTPAT_ICD10(N60) Benign mammary dysplasia 9
INPAT INPAT_ICD8(61010) Name not found 8
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(N604) Mammary duct ectasia. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 8