Source Code Name Case count Share of cases (%)
OUTPAT OUTPAT_ICD10(N601) Diffuse cystic mastopathy 793
INPAT INPAT_ICD8(61000) Chronic cystic disease of breast, Fibroadenomatosis mammae 767
OUTPAT OUTPAT_ICD10(N602) Fibroadenosis of breast 752
OUTPAT OUTPAT_ICD10(N609) Benign mammary dysplasia, unspecified 554
OUTPAT OUTPAT_ICD10(N600) Solitary cyst of breast 514
INPAT INPAT_ICD9(6101A) Diffuse cystic mastopathy 456
INPAT INPAT_ICD8(61099) Chronic cystic disease of breast, Unspecified 451
OUTPAT OUTPAT_ICD10(N608) Other benign mammary dysplasias 393
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(N602) Fibroadenosis of breast. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 283
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(N600) Solitary cyst of breast. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 264
INPAT INPAT_ICD8(61001) Chronic cystic disease of breast, Cysta (cystis) mammae 230
INPAT INPAT_ICD8(61008) Chronic cystic disease of breast, Alia definita 208
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(N601) Diffuse cystic mastopathy. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 187
OUTPAT OUTPAT_ICD10(N604) Mammary duct ectasia 179
INPAT INPAT_ICD10(N602) Fibroadenosis of breast 177
INPAT INPAT_ICD10(N609) Benign mammary dysplasia, unspecified 170
INPAT INPAT_ICD10(N601) Diffuse cystic mastopathy 159
INPAT INPAT_ICD8(61009) Chronic cystic disease of breast 138
INPAT INPAT_ICD9(6102A) Fibroadenosis of breast 135
OUTPAT OUTPAT_ICD10(N603) Fibrosclerosis of breast 125
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(N60) Benign mammary dysplasia. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 125
INPAT INPAT_ICD10(N608) Other benign mammary dysplasias 113
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(N609) Benign mammary dysplasia, unspecified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 104
INPAT INPAT_ICD10(N600) Solitary cyst of breast 81
INPAT INPAT_ICD9(6109X) Benign mammary dysplasia, unspecified 52
INPAT INPAT_ICD9(6100A) Solitary cyst of breast 49
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(N608) Other benign mammary dysplasias. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 49
INPAT INPAT_ICD9(6108X) Other specified benign mammary dysplasias 38
INPAT INPAT_ICD10(N604) Mammary duct ectasia 37
INPAT INPAT_ICD9(6103A) Fibrosclerosis of breast 30
INPAT INPAT_ICD9(6104A) Mammary duct ectasia 29
INPAT INPAT_ICD10(N603) Fibrosclerosis of breast 26
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(N604) Mammary duct ectasia. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 18
OUTPAT OUTPAT_ICD10(N60) Benign mammary dysplasia 16
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! 7