Source Code Name Case count Share of cases (%)
OUTPAT OUTPAT_ICD10(N921) Excessive and frequent menstruation with irregular cycle 9785
OUTPAT OUTPAT_ICD10(N926) Irregular menstruation, unspecified 8896
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(N926) Irregular menstruation, unspecified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 6824
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(N925) Other specified irregular menstruation. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 5071
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! 4003
OUTPAT OUTPAT_ICD10(N925) Other specified irregular menstruation 2588
INPAT INPAT_ICD10(N921) Excessive and frequent menstruation with irregular cycle 2564
OUTPAT OUTPAT_ICD10(N911) Secondary amenorrhoea 2419
INPAT INPAT_ICD10(N926) Irregular menstruation, unspecified 1765
INPAT INPAT_ICD8(62650) Disorders of menstruation, Irregular 1518
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(N911) Secondary amenorrhoea. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 1445
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(N912) Amenorrhoea, unspecified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 716
OUTPAT OUTPAT_ICD10(N914) Secondary oligomenorrhoea 637
INPAT INPAT_ICD9(6264A) Irregular menstrual cycle 571
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(N915) Oligomenorrhoea, unspecified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 450
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(N91) Absent, scanty and rare menstruation. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 350
OUTPAT OUTPAT_ICD10(N915) Oligomenorrhoea, unspecified 335
OUTPAT OUTPAT_ICD10(N910) Primary amenorrhoea 288
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(N914) Secondary oligomenorrhoea. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 265
OUTPAT OUTPAT_ICD10(N912) Amenorrhoea, unspecified 192
OUTPAT OUTPAT_ICD10(N913) Primary oligomenorrhoea 192
INPAT INPAT_ICD10(N925) Other specified irregular menstruation 145
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(N913) Primary oligomenorrhoea. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 80
INPAT INPAT_ICD10(N911) Secondary amenorrhoea 67
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(N910) Primary amenorrhoea. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 53
INPAT INPAT_ICD10(N915) Oligomenorrhoea, unspecified 21
OUTPAT OUTPAT_ICD10(N91) Absent, scanty and rare menstruation 21
INPAT INPAT_ICD10(N912) Amenorrhoea, unspecified 17
INPAT INPAT_ICD10(N910) Primary amenorrhoea 15
INPAT INPAT_ICD10(N914) Secondary oligomenorrhoea 14
INPAT INPAT_ICD10(N913) Primary oligomenorrhoea 8