Source Code Name Case count Share of cases (%)
OUTPAT OUTPAT_ICD10(N921) Excessive and frequent menstruation with irregular cycle 10339
OUTPAT OUTPAT_ICD10(N926) Irregular menstruation, unspecified 9456
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(N926) Irregular menstruation, unspecified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 7883
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(N925) Other specified irregular menstruation. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 5998
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! 4543
OUTPAT OUTPAT_ICD10(N925) Other specified irregular menstruation 3451
INPAT INPAT_ICD10(N921) Excessive and frequent menstruation with irregular cycle 2593
OUTPAT OUTPAT_ICD10(N911) Secondary amenorrhoea 2476
INPAT INPAT_ICD10(N926) Irregular menstruation, unspecified 1770
INPAT INPAT_ICD8(62650) Disorders of menstruation, Irregular 1520
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(N911) Secondary amenorrhoea. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 1517
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(N912) Amenorrhoea, unspecified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 785
OUTPAT OUTPAT_ICD10(N914) Secondary oligomenorrhoea 651
INPAT INPAT_ICD9(6264A) Irregular menstrual cycle 569
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(N915) Oligomenorrhoea, unspecified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 502
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(N91) Absent, scanty and rare menstruation. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 381
OUTPAT OUTPAT_ICD10(N915) Oligomenorrhoea, unspecified 356
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! 283
OUTPAT OUTPAT_ICD10(N912) Amenorrhoea, unspecified 209
OUTPAT OUTPAT_ICD10(N913) Primary oligomenorrhoea 197
INPAT INPAT_ICD10(N925) Other specified irregular menstruation 149
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(N913) Primary oligomenorrhoea. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 81
INPAT INPAT_ICD10(N911) Secondary amenorrhoea 68
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(N910) Primary amenorrhoea. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 56
OUTPAT OUTPAT_ICD10(N91) Absent, scanty and rare menstruation 38
INPAT INPAT_ICD10(N915) Oligomenorrhoea, unspecified 21
INPAT INPAT_ICD10(N910) Primary amenorrhoea 17
INPAT INPAT_ICD10(N912) Amenorrhoea, unspecified 17
INPAT INPAT_ICD10(N914) Secondary oligomenorrhoea 14
INPAT INPAT_ICD10(N913) Primary oligomenorrhoea 8