Source Code Name Case count Share of cases (%)
OUTPAT OUTPAT_ICD10(O13) Gestational [pregnancy-induced] hypertension without significant proteinuria 7656
INPAT INPAT_ICD10(O13) Gestational [pregnancy-induced] hypertension without significant proteinuria 5591
INPAT INPAT_ICD8(63701) Pre-eclampsia, eclampsia and toxaemia, unspecified, Hypertonia 2470
OUTPAT OUTPAT_ICD10(O100) Pre-existing essential hypertension complicating pregnancy, childbirth and the puerperium 2350
INPAT INPAT_ICD8(63703) Pre-eclampsia, eclampsia and toxaemia, unspecified, Prae-eclampsia levis 2170
INPAT INPAT_ICD10(O140) Moderate pre-eclampsia 2002
OUTPAT OUTPAT_ICD10(O140) Moderate pre-eclampsia 1730
INPAT INPAT_ICD10(O100) Pre-existing essential hypertension complicating pregnancy, childbirth and the puerperium 1701
OUTPAT OUTPAT_ICD10(O149) Pre-eclampsia, unspecified 1690
INPAT INPAT_ICD9(6423A) Hypertension complicating pregnancy, childbirth and the puerperium, Transient hypertension of pregnancy 1454
INPAT INPAT_ICD10(O149) Pre-eclampsia, unspecified 1369
INPAT INPAT_ICD9(6424A) Hypertension complicating pregnancy, childbirth and the puerperium, Mild or unspecified pre-eclampsia 1353
INPAT INPAT_ICD10(O141) Severe pre-eclampsia 1077
INPAT INPAT_ICD8(63702) Pre-eclampsia, eclampsia and toxaemia, unspecified, Oedema 931
INPAT INPAT_ICD8(63700) Pre-eclampsia, eclampsia and toxaemia, unspecified, Albuminuria (proteinuria) 913
OUTPAT OUTPAT_ICD10(O121) Gestational proteinuria 660
INPAT INPAT_ICD9(6420X) Benign essential hypertension complicating pregnancy, childbirth, and the puerperium 580
OUTPAT OUTPAT_ICD10(O120) Gestational oedema 502
INPAT INPAT_ICD8(63704) Pre-eclampsia, eclampsia and toxaemia, unspecified, Prae-eclampsia gravis 465
INPAT INPAT_ICD10(O121) Gestational proteinuria 393
INPAT INPAT_ICD9(6424B) Hypertension complicating pregnancy, childbirth and the puerperium, Mild or unspecified pre-eclampsia 381
OUTPAT OUTPAT_ICD10(O141) Severe pre-eclampsia 348
OUTPAT OUTPAT_ICD10(O16) Unspecified maternal hypertension 348
INPAT INPAT_ICD9(6425A) Hypertension complicating pregnancy, childbirth and the puerperium, Severe pre-eclampsia 347
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! 277
INPAT INPAT_ICD9(6462A) Unspecified renal disease in pregnancy, without mention of hypertension 252
INPAT INPAT_ICD9(6425B) Hypertension complicating pregnancy, childbirth and the puerperium, Severe pre-eclampsia 236
INPAT INPAT_ICD10(O16) Unspecified maternal hypertension 228
INPAT INPAT_ICD8(63710) Pre-eclampsia, eclampsia and toxaemia, unspecified, Eclampsia 194
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(O16) Unspecified maternal hypertension. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 189
INPAT INPAT_ICD10(O120) Gestational oedema 188
OUTPAT OUTPAT_ICD10(O109) Unspecified pre-existing hypertension complicating pregnancy, childbirth and the puerperium 177
INPAT INPAT_ICD8(63799) Pre-eclampsia, eclampsia and toxaemia, unspecified, Toxaemia, unspecified 176
INPAT INPAT_ICD9(6423B) Hypertension complicating pregnancy, childbirth and the puerperium, Transient hypertension of pregnancy 157
INPAT INPAT_ICD9(6461A) Edema or excessive weight gain in pregnancy, without mention of hypertension 155
OUTPAT OUTPAT_ICD10(O11) Pre-existing hypertensive disorder with superimposed proteinuria 149
OUTPAT OUTPAT_ICD10(O122) Gestational oedema with proteinuria 127
INPAT INPAT_ICD10(O11) Pre-existing hypertensive disorder with superimposed proteinuria 119
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(O149) Pre-eclampsia, unspecified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 114
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(O120) Gestational oedema. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 112
INPAT INPAT_ICD10(O109) Unspecified pre-existing hypertension complicating pregnancy, childbirth and the puerperium 98
INPAT INPAT_ICD8(63709) Pre-eclampsia, eclampsia and toxaemia, unspecified, Prae-eclampsia NUD 77
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! 77
OUTPAT OUTPAT_ICD10(O101) Pre-existing hypertensive heart disease complicating pregnancy, childbirth and the puerperium 66
INPAT INPAT_ICD10(O122) Gestational oedema with proteinuria 51
INPAT INPAT_ICD10(O101) Pre-existing hypertensive heart disease complicating pregnancy, childbirth and the puerperium 37
INPAT INPAT_ICD8(63797) Name not found 36
INPAT INPAT_ICD9(6429A) Hypertension complicating pregnancy, childbirth and the puerperium, Unspecified hypertension complicating pregnancy, childbirth, or the puerperium 34
OUTPAT OUTPAT_ICD10(O104) Pre-existing secondary hypertension complicating pregnancy, childbirth and the puerperium 30
OUTPAT OUTPAT_ICD10(O14) Gestational [pregnancy-induced] hypertension with significant proteinuria 30
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(O121) Gestational proteinuria. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 30
INPAT INPAT_ICD10(O150) Eclampsia in pregnancy 27
INPAT INPAT_ICD8(63711) Name not found 27
INPAT INPAT_ICD9(6420A) Name not found 27
INPAT INPAT_ICD9(6427A) Hypertension complicating pregnancy, childbirth and the puerperium, Pre-eclampsia or eclampsia superimposed on pre-existing hypertension 26
INPAT INPAT_ICD9(6423C) Hypertension complicating pregnancy, childbirth and the puerperium, Transient hypertension of pregnancy 23
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(O140) Moderate pre-eclampsia. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 23
INPAT INPAT_ICD9(6422X) Other pre-existing hypertension complicating pregnancy, childbirth, and the puerperium 21
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(O141) Severe pre-eclampsia. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 19
INPAT INPAT_ICD9(6426A) Hypertension complicating pregnancy, childbirth and the puerperium, Eclampsia 18
OUTPAT OUTPAT_ICD10(O103) Pre-existing hypertensive heart and renal disease complicating pregnancy, childbirth and the puerperium 18
OUTPAT OUTPAT_ICD10(O12) Gestational [pregnancy-induced] oedema and proteinuria without hypertension 17
INPAT INPAT_ICD10(O151) Eclampsia in labour 16
INPAT INPAT_ICD10(O104) Pre-existing secondary hypertension complicating pregnancy, childbirth and the puerperium 15
INPAT INPAT_ICD9(6421X) Hypertension secondary to renal disease, complicating pregnancy, childbirth, and the puerperium 14
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! 14
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(O122) Gestational oedema with proteinuria. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 14
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! 13
INPAT INPAT_ICD9(6427B) Hypertension complicating pregnancy, childbirth and the puerperium, Pre-eclampsia or eclampsia superimposed on pre-existing hypertension 12
OUTPAT OUTPAT_ICD10(O150) Eclampsia in pregnancy 12
INPAT INPAT_ICD9(6426B) Hypertension complicating pregnancy, childbirth and the puerperium, Eclampsia 11
INPAT INPAT_ICD8(63730) Name not found 10
OUTPAT OUTPAT_ICD10(O10) Pre-existing hypertension complicating pregnancy, childbirth and the puerperium 10
OUTPAT OUTPAT_ICD10(O102) Pre-existing hypertensive renal disease complicating pregnancy, childbirth and the puerperium 10
INPAT INPAT_ICD10(O152) Eclampsia in the puerperium 9
INPAT INPAT_ICD8(63707) Name not found 9
INPAT INPAT_ICD8(63706) Name not found 8
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(O11) Pre-existing hypertensive disorder with superimposed proteinuria. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 8
INPAT INPAT_ICD10(O103) Pre-existing hypertensive heart and renal disease complicating pregnancy, childbirth and the puerperium 6
INPAT INPAT_ICD9(6424C) Hypertension complicating pregnancy, childbirth and the puerperium, Mild or unspecified pre-eclampsia 6
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(O109) Unspecified pre-existing hypertension complicating pregnancy, childbirth and the puerperium. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 6
INPAT INPAT_ICD10(O10) Pre-existing hypertension complicating pregnancy, childbirth and the puerperium 5
INPAT INPAT_ICD8(63705) Name not found 5
INPAT INPAT_ICD9(6424) Name not found 5
OUTPAT OUTPAT_ICD10(O152) Eclampsia in the puerperium 5