Source Code Name Case count Share of cases (%)
OUTPAT OUTPAT_ICD10(O13) Gestational [pregnancy-induced] hypertension without significant proteinuria 4860
INPAT INPAT_ICD10(O13) Gestational [pregnancy-induced] hypertension without significant proteinuria 3622
INPAT INPAT_ICD8(63701) Pre-eclampsia, eclampsia and toxaemia, unspecified, Hypertonia 1945
INPAT INPAT_ICD8(63703) Pre-eclampsia, eclampsia and toxaemia, unspecified, Prae-eclampsia levis 1740
OUTPAT OUTPAT_ICD10(O100) Pre-existing essential hypertension complicating pregnancy, childbirth and the puerperium 1515
INPAT INPAT_ICD10(O140) Moderate pre-eclampsia 1411
OUTPAT OUTPAT_ICD10(O140) Moderate pre-eclampsia 1214
INPAT INPAT_ICD10(O100) Pre-existing essential hypertension complicating pregnancy, childbirth and the puerperium 1122
INPAT INPAT_ICD9(6423A) Hypertension complicating pregnancy, childbirth and the puerperium, Transient hypertension of pregnancy 1076
INPAT INPAT_ICD9(6424A) Hypertension complicating pregnancy, childbirth and the puerperium, Mild or unspecified pre-eclampsia 1018
OUTPAT OUTPAT_ICD10(O149) Pre-eclampsia, unspecified 996
INPAT INPAT_ICD10(O149) Pre-eclampsia, unspecified 797
INPAT INPAT_ICD8(63702) Pre-eclampsia, eclampsia and toxaemia, unspecified, Oedema 760
INPAT INPAT_ICD8(63700) Pre-eclampsia, eclampsia and toxaemia, unspecified, Albuminuria (proteinuria) 730
INPAT INPAT_ICD10(O141) Severe pre-eclampsia 704
OUTPAT OUTPAT_ICD10(O121) Gestational proteinuria 450
INPAT INPAT_ICD9(6420X) Benign essential hypertension complicating pregnancy, childbirth, and the puerperium 439
INPAT INPAT_ICD8(63704) Pre-eclampsia, eclampsia and toxaemia, unspecified, Prae-eclampsia gravis 366
OUTPAT OUTPAT_ICD10(O120) Gestational oedema 337
INPAT INPAT_ICD9(6424B) Hypertension complicating pregnancy, childbirth and the puerperium, Mild or unspecified pre-eclampsia 290
INPAT INPAT_ICD10(O121) Gestational proteinuria 266
INPAT INPAT_ICD9(6425A) Hypertension complicating pregnancy, childbirth and the puerperium, Severe pre-eclampsia 245
OUTPAT OUTPAT_ICD10(O141) Severe pre-eclampsia 214
INPAT INPAT_ICD8(66120) Labour and delivery with other complication, Intrapartum eclampsia (pre-eclampsia), Occipital presentation 210
OUTPAT OUTPAT_ICD10(O16) Unspecified maternal hypertension 186
INPAT INPAT_ICD9(6462A) Unspecified renal disease in pregnancy, without mention of hypertension 179
INPAT INPAT_ICD9(6425B) Hypertension complicating pregnancy, childbirth and the puerperium, Severe pre-eclampsia 171
INPAT INPAT_ICD8(63710) Pre-eclampsia, eclampsia and toxaemia, unspecified, Eclampsia 157
INPAT INPAT_ICD8(63799) Pre-eclampsia, eclampsia and toxaemia, unspecified, Toxaemia, unspecified 152
OUTPAT OUTPAT_ICD10(O109) Unspecified pre-existing hypertension complicating pregnancy, childbirth and the puerperium 125
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(O13) Gestational [pregnancy-induced] hypertension without significant proteinuria. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 125
INPAT INPAT_ICD10(O16) Unspecified maternal hypertension 122
INPAT INPAT_ICD10(O120) Gestational oedema 120
INPAT INPAT_ICD9(6423B) Hypertension complicating pregnancy, childbirth and the puerperium, Transient hypertension of pregnancy 117
INPAT INPAT_ICD9(6461A) Edema or excessive weight gain in pregnancy, without mention of hypertension 115
OUTPAT OUTPAT_ICD10(O11) Pre-existing hypertensive disorder with superimposed proteinuria 107
INPAT INPAT_ICD10(O11) Pre-existing hypertensive disorder with superimposed proteinuria 89
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(O16) Unspecified maternal hypertension. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 86
OUTPAT OUTPAT_ICD10(O122) Gestational oedema with proteinuria 80
INPAT INPAT_ICD10(O109) Unspecified pre-existing hypertension complicating pregnancy, childbirth and the puerperium 68
INPAT INPAT_ICD8(63709) Pre-eclampsia, eclampsia and toxaemia, unspecified, Prae-eclampsia NUD 62
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(O149) Pre-eclampsia, unspecified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 57
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(O120) Gestational oedema. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 53
OUTPAT OUTPAT_ICD10(O101) Pre-existing hypertensive heart disease complicating pregnancy, childbirth and the puerperium 52
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(O100) Pre-existing essential hypertension complicating pregnancy, childbirth and the puerperium. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 40
INPAT INPAT_ICD10(O122) Gestational oedema with proteinuria 35
INPAT INPAT_ICD10(O101) Pre-existing hypertensive heart disease complicating pregnancy, childbirth and the puerperium 27
INPAT INPAT_ICD8(63797) Name not found 26
INPAT INPAT_ICD9(6429A) Hypertension complicating pregnancy, childbirth and the puerperium, Unspecified hypertension complicating pregnancy, childbirth, or the puerperium 25
INPAT INPAT_ICD8(63711) Name not found 23
OUTPAT OUTPAT_ICD10(O104) Pre-existing secondary hypertension complicating pregnancy, childbirth and the puerperium 20
INPAT INPAT_ICD9(6420A) Name not found 19
OUTPAT OUTPAT_ICD10(O14) Gestational [pregnancy-induced] hypertension with significant proteinuria 18
INPAT INPAT_ICD9(6422X) Other pre-existing hypertension complicating pregnancy, childbirth, and the puerperium 16
INPAT INPAT_ICD9(6423C) Hypertension complicating pregnancy, childbirth and the puerperium, Transient hypertension of pregnancy 16
INPAT INPAT_ICD10(O150) Eclampsia in pregnancy 15
INPAT INPAT_ICD9(6426A) Hypertension complicating pregnancy, childbirth and the puerperium, Eclampsia 15
INPAT INPAT_ICD9(6427A) Hypertension complicating pregnancy, childbirth and the puerperium, Pre-eclampsia or eclampsia superimposed on pre-existing hypertension 15
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(O121) Gestational proteinuria. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 15
OUTPAT OUTPAT_ICD10(O103) Pre-existing hypertensive heart and renal disease complicating pregnancy, childbirth and the puerperium 13
OUTPAT OUTPAT_ICD10(O12) Gestational [pregnancy-induced] oedema and proteinuria without hypertension 13
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(O140) Moderate pre-eclampsia. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 12
INPAT INPAT_ICD10(O104) Pre-existing secondary hypertension complicating pregnancy, childbirth and the puerperium 11
INPAT INPAT_ICD10(O151) Eclampsia in labour 10
INPAT INPAT_ICD9(6426B) Hypertension complicating pregnancy, childbirth and the puerperium, Eclampsia 10
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(O10) Pre-existing hypertension complicating pregnancy, childbirth and the puerperium. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 10
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(O14) Gestational [pregnancy-induced] hypertension with significant proteinuria. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 10
INPAT INPAT_ICD8(63707) Name not found 9
INPAT INPAT_ICD9(6421X) Hypertension secondary to renal disease, complicating pregnancy, childbirth, and the puerperium 9
INPAT INPAT_ICD8(66126) Labour and delivery with other complication, Intrapartum eclampsia (pre-eclampsia), Complete or incomplete breech presentation 8
INPAT INPAT_ICD9(6427B) Hypertension complicating pregnancy, childbirth and the puerperium, Pre-eclampsia or eclampsia superimposed on pre-existing hypertension 8
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(O141) Severe pre-eclampsia. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 8
INPAT INPAT_ICD10(O152) Eclampsia in the puerperium 7
INPAT INPAT_ICD8(63706) Name not found 7
INPAT INPAT_ICD8(63730) Name not found 7
OUTPAT OUTPAT_ICD10(O10) Pre-existing hypertension complicating pregnancy, childbirth and the puerperium 7
OUTPAT OUTPAT_ICD10(O102) Pre-existing hypertensive renal disease complicating pregnancy, childbirth and the puerperium 7
OUTPAT OUTPAT_ICD10(O150) Eclampsia in pregnancy 7
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(O122) Gestational oedema with proteinuria. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 6
INPAT INPAT_ICD10(O103) Pre-existing hypertensive heart and renal disease complicating pregnancy, childbirth and the puerperium 5
INPAT INPAT_ICD8(63705) Name not found 5
INPAT INPAT_ICD9(6424C) Hypertension complicating pregnancy, childbirth and the puerperium, Mild or unspecified pre-eclampsia 5