Source Code Name Case count Share of cases (%)
OUTPAT OUTPAT_ICD10(N921) Excessive and frequent menstruation with irregular cycle 5480
OUTPAT OUTPAT_ICD10(N926) Irregular menstruation, unspecified 5021
INPAT INPAT_ICD9(6266A) Metrorrhagia 3600
INPAT INPAT_ICD8(62660) Disorders of menstruation, Intermenstrual bleeding 2913
INPAT INPAT_ICD8(62699) Disorders of menstruation, Other 2677
INPAT INPAT_ICD9(6262A) Disorders of menstruation and other abnormal bleeding from female genital tract, Excessive or frequent menstruation 2501
INPAT INPAT_ICD10(N921) Excessive and frequent menstruation with irregular cycle 2380
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(N926) Irregular menstruation, unspecified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 2112
INPAT INPAT_ICD10(N926) Irregular menstruation, unspecified 1854
INPAT INPAT_ICD8(62620) Disorders of menstruation, Excessive 1478
OUTPAT OUTPAT_ICD10(N911) Secondary amenorrhoea 1463
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(N921) Excessive and frequent menstruation with irregular cycle. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 1352
INPAT INPAT_ICD8(62650) Disorders of menstruation, Irregular 1127
OUTPAT OUTPAT_ICD10(E282) Polycystic ovarian syndrome 1113
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(N925) Other specified irregular menstruation. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 1042
OUTPAT OUTPAT_ICD10(N925) Other specified irregular menstruation 914
INPAT INPAT_ICD8(62630) Disorders of menstruation, Painful 698
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(N911) Secondary amenorrhoea. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 682
INPAT INPAT_ICD8(62670) Disorders of menstruation, Postmenopausal bleeding 611
INPAT INPAT_ICD8(62698) Disorders of menstruation, Alia definita 581
INPAT INPAT_ICD9(6264A) Irregular menstrual cycle 409
OUTPAT OUTPAT_ICD10(L680) Hirsutism 407
OUTPAT OUTPAT_ICD10(N914) Secondary oligomenorrhoea 385
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(E282) Polycystic ovarian syndrome. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 363
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(N912) Amenorrhoea, unspecified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 326
INPAT INPAT_ICD8(62600) Disorders of menstruation, Absent 274
INPAT INPAT_ICD9(6268X) Other disorders of menstruation and other abnormal bleeding from female genital tract 200
OUTPAT OUTPAT_ICD10(N915) Oligomenorrhoea, unspecified 191
OUTPAT OUTPAT_ICD10(N910) Primary amenorrhoea 170
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(N915) Oligomenorrhoea, unspecified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 164
INPAT INPAT_ICD10(E282) Polycystic ovarian syndrome 157
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(L680) Hirsutism. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 153
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(N91) Absent, scanty and rare menstruation. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 127
INPAT INPAT_ICD8(62611) Disorders of menstruation, Oligomenorrhoea 120
OUTPAT OUTPAT_ICD10(N913) Primary oligomenorrhoea 120
INPAT INPAT_ICD8(62640) Disorders of menstruation, Frequent 113
INPAT INPAT_ICD10(N925) Other specified irregular menstruation 107
INPAT INPAT_ICD9(6269X) Unspecified disorders of menstruation and other abnormal bleeding from female genital tract 97
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(N914) Secondary oligomenorrhoea. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 96
OUTPAT OUTPAT_ICD10(N912) Amenorrhoea, unspecified 92
INPAT INPAT_ICD8(62610) Disorders of menstruation, Hypomenorrhoea 85
INPAT INPAT_ICD9(2564A) Polycystic ovaries 74
INPAT INPAT_ICD10(N911) Secondary amenorrhoea 67
INPAT INPAT_ICD9(6261A) Disorders of menstruation and other abnormal bleeding from female genital tract, Scanty or infrequent menstruation 51
INPAT INPAT_ICD9(6262B) Disorders of menstruation and other abnormal bleeding from female genital tract, Excessive or frequent menstruation 47
INPAT INPAT_ICD9(6260A) Absence of menstruation 41
INPAT INPAT_ICD8(25690) Ovarian dysfunction, Syndroma Stein-Leventhal 40
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(N913) Primary oligomenorrhoea. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 37
INPAT INPAT_ICD8(62690) Name not found 30
INPAT INPAT_ICD9(6261B) Disorders of menstruation and other abnormal bleeding from female genital tract, Scanty or infrequent menstruation 28
INPAT INPAT_ICD8(62601) Name not found 24
INPAT INPAT_ICD9(6265A) Ovulation bleeding 22
INPAT INPAT_ICD8(70405) Diseases of hair and hair follicles, Hypertrichosis 21
INPAT INPAT_ICD9(7041A) Diseases of hair and hair follicles, Hirsutism 21
INPAT INPAT_ICD10(L680) Hirsutism 20
INPAT INPAT_ICD10(N915) Oligomenorrhoea, unspecified 20
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(N910) Primary amenorrhoea. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 19
INPAT INPAT_ICD10(N912) Amenorrhoea, unspecified 17
INPAT INPAT_ICD9(6267A) Postcoital bleeding 15
INPAT INPAT_ICD10(N914) Secondary oligomenorrhoea 14
INPAT INPAT_ICD9(6263A) Puberty bleeding 13
INPAT INPAT_ICD10(N910) Primary amenorrhoea 10
INPAT INPAT_ICD10(N913) Primary oligomenorrhoea 8
OUTPAT OUTPAT_ICD10(N91) Absent, scanty and rare menstruation 8
INPAT INPAT_ICD8(62602) Name not found 6