Source Code Name Case count Share of cases (%)
OUTPAT OUTPAT_ICD10(Z363) Antenatal screening for malformations using ultrasound and other physical methods 60662
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(Z301) Insertion of (intrauterine) contraceptive device. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 30356
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(Z392) Routine postpartum follow-up. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 29680
OUTPAT OUTPAT_ICD10(Z348) Supervision of other normal pregnancy 26064
INPAT INPAT_ICD10(Z370) Single live birth 21436
OUTPAT OUTPAT_ICD10(Z349) Supervision of normal pregnancy, unspecified 21374
OUTPAT OUTPAT_ICD10(Z340) Supervision of normal first pregnancy 21095
OUTPAT OUTPAT_ICD10(Z302) Sterilization 19064
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(Z348) Supervision of other normal pregnancy. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 18911
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(Z304) Surveillance of contraceptive drugs. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 18739
OUTPAT OUTPAT_ICD10(Z358) Supervision of other high-risk pregnancies 18268
OUTPAT OUTPAT_ICD10(Z321) Pregnancy confirmed 17745
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(Z340) Supervision of normal first pregnancy. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 16560
OUTPAT OUTPAT_ICD10(Z315) Genetic counselling 14769
OUTPAT OUTPAT_ICD10(Z360) Antenatal screening for chromosomal anomalies 13623
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(Z305) Surveillance of (intrauterine) contraceptive device. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 12995
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(Z300) General counselling and advice on contraception. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 11157
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(Z321) Pregnancy confirmed. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 10005
INPAT INPAT_ICD10(Z302) Sterilization 9462
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(Z34) Supervision of normal pregnancy. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 9297
OUTPAT OUTPAT_ICD10(Z392) Routine postpartum follow-up 9270
OUTPAT OUTPAT_ICD10(Z301) Insertion of (intrauterine) contraceptive device 7264
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(Z308) Other contraceptive management. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 6127
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(Z349) Supervision of normal pregnancy, unspecified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 6076
OUTPAT OUTPAT_ICD10(Z300) General counselling and advice on contraception 5758
OUTPAT OUTPAT_ICD10(Z305) Surveillance of (intrauterine) contraceptive device 5434
OUTPAT OUTPAT_ICD10(Z350) Supervision of pregnancy with history of infertility 4862
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(Z30) Contraceptive management. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 4808
OUTPAT OUTPAT_ICD10(Z359) Supervision of high-risk pregnancy, unspecified 4655
INPAT INPAT_ICD10(Z358) Supervision of other high-risk pregnancies 4498
OUTPAT OUTPAT_ICD10(Z314) Procreative investigation and testing 4172
OUTPAT OUTPAT_ICD10(Z368) Other antenatal screening 3648
OUTPAT OUTPAT_ICD10(Z352) Supervision of pregnancy with other poor reproductive or obstetric history 3316
OUTPAT OUTPAT_ICD10(Z320) Pregnancy, not (yet) confirmed 3001
OUTPAT OUTPAT_ICD10(Z391) Care and examination of lactating mother 2819
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(Z358) Supervision of other high-risk pregnancies. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 2686
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(Z363) Antenatal screening for malformations using ultrasound and other physical methods. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 2677
INPAT INPAT_ICD10(Z348) Supervision of other normal pregnancy 2571
INPAT INPAT_ICD10(Z392) Routine postpartum follow-up 2348
OUTPAT OUTPAT_ICD10(Z369) Antenatal screening, unspecified 2134
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(Z320) Pregnancy, not (yet) confirmed. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 2019
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(Z302) Sterilization. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 1972
INPAT INPAT_ICD10(Z349) Supervision of normal pregnancy, unspecified 1957
OUTPAT OUTPAT_ICD10(Z364) Antenatal screening for fetal growth retardation using ultrasound and other physical methods 1922
OUTPAT OUTPAT_ICD10(Z316) General counselling and advice on procreation 1815
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(Z359) Supervision of high-risk pregnancy, unspecified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 1796
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(Z39) Postpartum care and examination. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 1660
INPAT INPAT_ICD10(Z340) Supervision of normal first pregnancy 1643
OUTPAT OUTPAT_ICD10(Z370) Single live birth 1566
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(Z35) Supervision of high-risk pregnancy. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 1535
INPAT INPAT_ICD10(Z321) Pregnancy confirmed 1368
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(Z32) Pregnancy examination and test. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 1322
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(Z309) Contraceptive management, unspecified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 1181
OUTPAT OUTPAT_ICD10(Z304) Surveillance of contraceptive drugs 1178
OUTPAT OUTPAT_ICD10(Z312) In vitrofertilization 1178
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(Z391) Care and examination of lactating mother. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 1098
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(Z314) Procreative investigation and testing. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 981
OUTPAT OUTPAT_ICD10(Z354) Supervision of pregnancy with grand multiparity 908
INPAT INPAT_ICD10(Z363) Antenatal screening for malformations using ultrasound and other physical methods 846
OUTPAT OUTPAT_ICD10(Z390) Care and examination immediately after delivery 846
INPAT INPAT_ICD10(Z359) Supervision of high-risk pregnancy, unspecified 771
INPAT INPAT_ICD10(Z352) Supervision of pregnancy with other poor reproductive or obstetric history 767
OUTPAT OUTPAT_ICD10(Z311) Artificial insemination 746
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(Z390) Care and examination immediately after delivery. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 664
OUTPAT OUTPAT_ICD10(Z355) Supervision of elderly primigravida 648
OUTPAT OUTPAT_ICD10(Z308) Other contraceptive management 642
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(Z316) General counselling and advice on procreation. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 570
INPAT INPAT_ICD10(Z350) Supervision of pregnancy with history of infertility 567
OUTPAT OUTPAT_ICD10(Z351) Supervision of pregnancy with history of abortive outcome 552
OUTPAT OUTPAT_ICD10(Z361) Antenatal screening for raised alphafetoprotein level 535
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(Z350) Supervision of pregnancy with history of infertility. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 496
OUTPAT OUTPAT_ICD10(Z313) Other assisted fertilization methods 487
OUTPAT OUTPAT_ICD10(Z357) Supervision of high-risk pregnancy due to social problems 426
INPAT INPAT_ICD10(Z391) Care and examination of lactating mother 420
OUTPAT OUTPAT_ICD10(Z380) Singleton, born in hospital 410
INPAT INPAT_ICD10(Z372) Twins, both liveborn 397
INPAT INPAT_ICD10(Z360) Antenatal screening for chromosomal anomalies 384
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(Z360) Antenatal screening for chromosomal anomalies. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 334
OUTPAT OUTPAT_ICD10(Z362) Other antenatal screening based on amniocentesis 319
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(Z354) Supervision of pregnancy with grand multiparity. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 312
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(Z352) Supervision of pregnancy with other poor reproductive or obstetric history. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 285
INPAT INPAT_ICD10(Z355) Supervision of elderly primigravida 284
OUTPAT OUTPAT_ICD10(Z356) Supervision of very young primigravida 282
INPAT INPAT_ICD10(Z390) Care and examination immediately after delivery 269
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(Z364) Antenatal screening for fetal growth retardation using ultrasound and other physical methods. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 267
INPAT INPAT_ICD10(Z354) Supervision of pregnancy with grand multiparity 251
INPAT INPAT_ICD10(Z301) Insertion of (intrauterine) contraceptive device 241
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(Z36) Antenatal screening. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 226
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(Z370) Single live birth. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 209
OUTPAT OUTPAT_ICD10(Z309) Contraceptive management, unspecified 183
OUTPAT OUTPAT_ICD10(Z318) Other procreative management 181
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(Z351) Supervision of pregnancy with history of abortive outcome. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 181
OUTPAT OUTPAT_ICD10(Z32) Pregnancy examination and test 167
INPAT INPAT_ICD10(Z305) Surveillance of (intrauterine) contraceptive device 162
INPAT INPAT_ICD10(Z371) Single stillbirth 151
INPAT INPAT_ICD10(Z315) Genetic counselling 143
INPAT INPAT_ICD10(Z357) Supervision of high-risk pregnancy due to social problems 139
OUTPAT OUTPAT_ICD10(Z310) Tuboplasty or vasoplasty after previous sterilization 139
INPAT INPAT_ICD10(Z300) General counselling and advice on contraception 136
INPAT INPAT_ICD10(Z310) Tuboplasty or vasoplasty after previous sterilization 122
INPAT INPAT_ICD10(Z320) Pregnancy, not (yet) confirmed 119
INPAT INPAT_ICD10(Z380) Singleton, born in hospital 118
OUTPAT OUTPAT_ICD10(Z34) Supervision of normal pregnancy 115
OUTPAT OUTPAT_ICD10(Z30) Contraceptive management 114
OUTPAT OUTPAT_ICD10(Z353) Supervision of pregnancy with history of insufficient antenatal care 110
INPAT INPAT_ICD10(Z312) In vitrofertilization 92
OUTPAT OUTPAT_ICD10(Z35) Supervision of high-risk pregnancy 87
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(Z369) Antenatal screening, unspecified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 87
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(Z355) Supervision of elderly primigravida. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 86
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(Z318) Other procreative management. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 81
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(Z31) Procreative management. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 80
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(Z315) Genetic counselling. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 74
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(Z357) Supervision of high-risk pregnancy due to social problems. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 72
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(Z312) In vitrofertilization. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 69
INPAT INPAT_ICD10(Z356) Supervision of very young primigravida 68
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(Z313) Other assisted fertilization methods. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 67
OUTPAT OUTPAT_ICD10(Z319) Procreative management, unspecified 59
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(Z303) Menstrual extraction. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 55
INPAT INPAT_ICD10(Z383) Twin, born in hospital 52
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(Z319) Procreative management, unspecified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 49
INPAT INPAT_ICD10(Z351) Supervision of pregnancy with history of abortive outcome 47
OUTPAT OUTPAT_ICD10(Z303) Menstrual extraction 46
INPAT INPAT_ICD10(Z308) Other contraceptive management 43
OUTPAT OUTPAT_ICD10(Z365) Antenatal screening for isoimmunization 37
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(Z356) Supervision of very young primigravida. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 34
OUTPAT OUTPAT_ICD10(Z371) Single stillbirth 33
OUTPAT OUTPAT_ICD10(Z39) Postpartum care and examination 26
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(Z33) Pregnant state, incidental. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 26
INPAT INPAT_ICD10(Z353) Supervision of pregnancy with history of insufficient antenatal care 24
INPAT INPAT_ICD10(Z379) Outcome of delivery, unspecified 24
OUTPAT OUTPAT_ICD10(Z33) Pregnant state, incidental 24
OUTPAT OUTPAT_ICD10(Z31) Procreative management 22
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(Z311) Artificial insemination. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 22
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(Z368) Other antenatal screening. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 21
INPAT INPAT_ICD10(Z309) Contraceptive management, unspecified 17
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(Z380) Singleton, born in hospital. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 17
INPAT INPAT_ICD10(Z369) Antenatal screening, unspecified 16
INPAT INPAT_ICD10(Z368) Other antenatal screening 14
OUTPAT OUTPAT_ICD10(Z372) Twins, both liveborn 14
INPAT INPAT_ICD10(Z381) Singleton, born outside hospital 13
OUTPAT OUTPAT_ICD10(Z375) Other multiple births, all liveborn 13
INPAT INPAT_ICD10(Z316) General counselling and advice on procreation 12
INPAT INPAT_ICD10(Z304) Surveillance of contraceptive drugs 11
INPAT INPAT_ICD10(Z375) Other multiple births, all liveborn 11
OUTPAT OUTPAT_ICD10(Z36) Antenatal screening 11
INPAT INPAT_ICD10(Z313) Other assisted fertilization methods 10
INPAT INPAT_ICD10(Z318) Other procreative management 10
INPAT INPAT_ICD10(Z319) Procreative management, unspecified 10
INPAT INPAT_ICD10(Z364) Antenatal screening for fetal growth retardation using ultrasound and other physical methods 10
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(Z310) Tuboplasty or vasoplasty after previous sterilization. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 9
INPAT INPAT_ICD10(Z314) Procreative investigation and testing 6
INPAT INPAT_ICD10(Z373) Twins, one liveborn and one stillborn 6
INPAT INPAT_ICD10(Z386) Other multiple, born in hospital 6
INPAT INPAT_ICD10(Z362) Other antenatal screening based on amniocentesis 5
OUTPAT OUTPAT_ICD10(Z383) Twin, born in hospital 5
OUTPAT OUTPAT_ICD10(Z388) Other multiple, unspecified as to place of birth 5
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(Z379) Outcome of delivery, unspecified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 5