Source Code Name Case count Share of cases (%)
OUTPAT OUTPAT_ICD10(O13) Gestational [pregnancy-induced] hypertension without significant proteinuria 5561
INPAT INPAT_ICD10(O13) Gestational [pregnancy-induced] hypertension without significant proteinuria 4133
INPAT INPAT_ICD8(63701) Pre-eclampsia, eclampsia and toxaemia, unspecified, Hypertonia 2058
INPAT INPAT_ICD8(63703) Pre-eclampsia, eclampsia and toxaemia, unspecified, Prae-eclampsia levis 1854
OUTPAT OUTPAT_ICD10(O100) Pre-existing essential hypertension complicating pregnancy, childbirth and the puerperium 1759
INPAT INPAT_ICD10(O140) Moderate pre-eclampsia 1590
OUTPAT OUTPAT_ICD10(O140) Moderate pre-eclampsia 1383
INPAT INPAT_ICD10(O100) Pre-existing essential hypertension complicating pregnancy, childbirth and the puerperium 1273
INPAT INPAT_ICD9(6423A) Hypertension complicating pregnancy, childbirth and the puerperium, Transient hypertension of pregnancy 1201
INPAT INPAT_ICD9(6424A) Hypertension complicating pregnancy, childbirth and the puerperium, Mild or unspecified pre-eclampsia 1145
OUTPAT OUTPAT_ICD10(O149) Pre-eclampsia, unspecified 1141
INPAT INPAT_ICD10(O149) Pre-eclampsia, unspecified 910
INPAT INPAT_ICD8(63702) Pre-eclampsia, eclampsia and toxaemia, unspecified, Oedema 799
INPAT INPAT_ICD10(O141) Severe pre-eclampsia 797
INPAT INPAT_ICD8(63700) Pre-eclampsia, eclampsia and toxaemia, unspecified, Albuminuria (proteinuria) 775
OUTPAT OUTPAT_ICD10(O121) Gestational proteinuria 499
INPAT INPAT_ICD9(6420X) Benign essential hypertension complicating pregnancy, childbirth, and the puerperium 477
INPAT INPAT_ICD8(63704) Pre-eclampsia, eclampsia and toxaemia, unspecified, Prae-eclampsia gravis 390
OUTPAT OUTPAT_ICD10(O120) Gestational oedema 385
INPAT INPAT_ICD9(6424B) Hypertension complicating pregnancy, childbirth and the puerperium, Mild or unspecified pre-eclampsia 322
INPAT INPAT_ICD10(O121) Gestational proteinuria 299
INPAT INPAT_ICD9(6425A) Hypertension complicating pregnancy, childbirth and the puerperium, Severe pre-eclampsia 279
OUTPAT OUTPAT_ICD10(O141) Severe pre-eclampsia 249
OUTPAT OUTPAT_ICD10(O16) Unspecified maternal hypertension 222
INPAT INPAT_ICD9(6462A) Unspecified renal disease in pregnancy, without mention of hypertension 208
INPAT INPAT_ICD9(6425B) Hypertension complicating pregnancy, childbirth and the puerperium, Severe pre-eclampsia 189
INPAT INPAT_ICD8(63710) Pre-eclampsia, eclampsia and toxaemia, unspecified, Eclampsia 169
INPAT INPAT_ICD8(63799) Pre-eclampsia, eclampsia and toxaemia, unspecified, Toxaemia, unspecified 158
INPAT INPAT_ICD10(O16) Unspecified maternal hypertension 153
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! 147
OUTPAT OUTPAT_ICD10(O109) Unspecified pre-existing hypertension complicating pregnancy, childbirth and the puerperium 145
INPAT INPAT_ICD10(O120) Gestational oedema 139
INPAT INPAT_ICD9(6461A) Edema or excessive weight gain in pregnancy, without mention of hypertension 130
INPAT INPAT_ICD9(6423B) Hypertension complicating pregnancy, childbirth and the puerperium, Transient hypertension of pregnancy 129
OUTPAT OUTPAT_ICD10(O11) Pre-existing hypertensive disorder with superimposed proteinuria 114
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(O16) Unspecified maternal hypertension. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 101
INPAT INPAT_ICD10(O11) Pre-existing hypertensive disorder with superimposed proteinuria 92
OUTPAT OUTPAT_ICD10(O122) Gestational oedema with proteinuria 90
INPAT INPAT_ICD10(O109) Unspecified pre-existing hypertension complicating pregnancy, childbirth and the puerperium 77
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(O149) Pre-eclampsia, unspecified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 64
INPAT INPAT_ICD8(63709) Pre-eclampsia, eclampsia and toxaemia, unspecified, Prae-eclampsia NUD 63
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(O120) Gestational oedema. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 62
OUTPAT OUTPAT_ICD10(O101) Pre-existing hypertensive heart disease complicating pregnancy, childbirth and the puerperium 58
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! 46
INPAT INPAT_ICD10(O122) Gestational oedema with proteinuria 38
INPAT INPAT_ICD10(O101) Pre-existing hypertensive heart disease complicating pregnancy, childbirth and the puerperium 30
INPAT INPAT_ICD9(6429A) Hypertension complicating pregnancy, childbirth and the puerperium, Unspecified hypertension complicating pregnancy, childbirth, or the puerperium 30
INPAT INPAT_ICD8(63797) Name not found 28
OUTPAT OUTPAT_ICD10(O14) Gestational [pregnancy-induced] hypertension with significant proteinuria 25
INPAT INPAT_ICD8(63711) Name not found 23
INPAT INPAT_ICD9(6420A) Name not found 21
OUTPAT OUTPAT_ICD10(O104) Pre-existing secondary hypertension complicating pregnancy, childbirth and the puerperium 21
INPAT INPAT_ICD9(6423C) Hypertension complicating pregnancy, childbirth and the puerperium, Transient hypertension of pregnancy 20
INPAT INPAT_ICD9(6427A) Hypertension complicating pregnancy, childbirth and the puerperium, Pre-eclampsia or eclampsia superimposed on pre-existing hypertension 19
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(O121) Gestational proteinuria. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 19
INPAT INPAT_ICD9(6422X) Other pre-existing hypertension complicating pregnancy, childbirth, and the puerperium 17
INPAT INPAT_ICD10(O150) Eclampsia in pregnancy 16
OUTPAT OUTPAT_ICD10(O12) Gestational [pregnancy-induced] oedema and proteinuria without hypertension 16
INPAT INPAT_ICD9(6426A) Hypertension complicating pregnancy, childbirth and the puerperium, Eclampsia 15
OUTPAT OUTPAT_ICD10(O103) Pre-existing hypertensive heart and renal disease complicating pregnancy, childbirth and the puerperium 14
INPAT INPAT_ICD10(O151) Eclampsia in labour 13
INPAT INPAT_ICD9(6421X) Hypertension secondary to renal disease, complicating pregnancy, childbirth, and the puerperium 13
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(O140) Moderate pre-eclampsia. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 13
INPAT INPAT_ICD10(O104) Pre-existing secondary hypertension complicating pregnancy, childbirth and the puerperium 12
INPAT INPAT_ICD9(6426B) Hypertension complicating pregnancy, childbirth and the puerperium, Eclampsia 11
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_ICD10(O152) Eclampsia in the puerperium 9
INPAT INPAT_ICD8(63707) Name not found 9
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(O141) Severe pre-eclampsia. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 9
INPAT INPAT_ICD8(63730) Name not found 8
INPAT INPAT_ICD9(6427B) Hypertension complicating pregnancy, childbirth and the puerperium, Pre-eclampsia or eclampsia superimposed on pre-existing hypertension 8
OUTPAT OUTPAT_ICD10(O150) Eclampsia in pregnancy 8
INPAT INPAT_ICD8(63706) 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
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(O122) Gestational oedema with proteinuria. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 7
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
OUTPAT OUTPAT_ICD10(O152) Eclampsia in the puerperium 5