Source Code Name Case count Share of cases (%)
OUTPAT OUTPAT_ICD10(O13) Gestational [pregnancy-induced] hypertension without significant proteinuria 7233
INPAT INPAT_ICD10(O13) Gestational [pregnancy-induced] hypertension without significant proteinuria 5299
INPAT INPAT_ICD8(63701) Pre-eclampsia, eclampsia and toxaemia, unspecified, Hypertonia 2468
OUTPAT OUTPAT_ICD10(O100) Pre-existing essential hypertension complicating pregnancy, childbirth and the puerperium 2233
INPAT INPAT_ICD8(63703) Pre-eclampsia, eclampsia and toxaemia, unspecified, Prae-eclampsia levis 2167
INPAT INPAT_ICD10(O140) Moderate pre-eclampsia 1963
OUTPAT OUTPAT_ICD10(O140) Moderate pre-eclampsia 1697
INPAT INPAT_ICD10(O100) Pre-existing essential hypertension complicating pregnancy, childbirth and the puerperium 1610
OUTPAT OUTPAT_ICD10(O149) Pre-eclampsia, unspecified 1542
INPAT INPAT_ICD9(6423A) Hypertension complicating pregnancy, childbirth and the puerperium, Transient hypertension of pregnancy 1455
INPAT INPAT_ICD9(6424A) Hypertension complicating pregnancy, childbirth and the puerperium, Mild or unspecified pre-eclampsia 1353
INPAT INPAT_ICD10(O149) Pre-eclampsia, unspecified 1237
INPAT INPAT_ICD10(O141) Severe pre-eclampsia 1028
INPAT INPAT_ICD8(63702) Pre-eclampsia, eclampsia and toxaemia, unspecified, Oedema 932
INPAT INPAT_ICD8(63700) Pre-eclampsia, eclampsia and toxaemia, unspecified, Albuminuria (proteinuria) 913
OUTPAT OUTPAT_ICD10(O121) Gestational proteinuria 647
INPAT INPAT_ICD9(6420X) Benign essential hypertension complicating pregnancy, childbirth, and the puerperium 581
OUTPAT OUTPAT_ICD10(O120) Gestational oedema 477
INPAT INPAT_ICD8(63704) Pre-eclampsia, eclampsia and toxaemia, unspecified, Prae-eclampsia gravis 464
INPAT INPAT_ICD9(6424B) Hypertension complicating pregnancy, childbirth and the puerperium, Mild or unspecified pre-eclampsia 381
INPAT INPAT_ICD10(O121) Gestational proteinuria 380
INPAT INPAT_ICD9(6425A) Hypertension complicating pregnancy, childbirth and the puerperium, Severe pre-eclampsia 347
OUTPAT OUTPAT_ICD10(O141) Severe pre-eclampsia 323
OUTPAT OUTPAT_ICD10(O16) Unspecified maternal hypertension 309
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 237
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! 227
INPAT INPAT_ICD10(O16) Unspecified maternal hypertension 212
INPAT INPAT_ICD8(63710) Pre-eclampsia, eclampsia and toxaemia, unspecified, Eclampsia 194
INPAT INPAT_ICD10(O120) Gestational oedema 178
INPAT INPAT_ICD8(63799) Pre-eclampsia, eclampsia and toxaemia, unspecified, Toxaemia, unspecified 175
OUTPAT OUTPAT_ICD10(O109) Unspecified pre-existing hypertension complicating pregnancy, childbirth and the puerperium 171
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
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(O16) Unspecified maternal hypertension. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 155
OUTPAT OUTPAT_ICD10(O11) Pre-existing hypertensive disorder with superimposed proteinuria 142
OUTPAT OUTPAT_ICD10(O122) Gestational oedema with proteinuria 122
INPAT INPAT_ICD10(O11) Pre-existing hypertensive disorder with superimposed proteinuria 115
INPAT INPAT_ICD10(O109) Unspecified pre-existing hypertension complicating pregnancy, childbirth and the puerperium 97
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(O149) Pre-eclampsia, unspecified. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 95
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(O120) Gestational oedema. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 93
INPAT INPAT_ICD8(63709) Pre-eclampsia, eclampsia and toxaemia, unspecified, Prae-eclampsia NUD 76
OUTPAT OUTPAT_ICD10(O101) Pre-existing hypertensive heart disease complicating pregnancy, childbirth and the puerperium 65
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! 62
INPAT INPAT_ICD10(O122) Gestational oedema with proteinuria 49
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(O14) Gestational [pregnancy-induced] hypertension with significant proteinuria 30
INPAT INPAT_ICD8(63711) Name not found 28
INPAT INPAT_ICD9(6420A) Name not found 27
OUTPAT OUTPAT_ICD10(O104) Pre-existing secondary hypertension complicating pregnancy, childbirth and the puerperium 27
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(O121) Gestational proteinuria. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 27
INPAT INPAT_ICD9(6427A) Hypertension complicating pregnancy, childbirth and the puerperium, Pre-eclampsia or eclampsia superimposed on pre-existing hypertension 26
INPAT INPAT_ICD10(O150) Eclampsia in pregnancy 24
INPAT INPAT_ICD9(6423C) Hypertension complicating pregnancy, childbirth and the puerperium, Transient hypertension of pregnancy 23
INPAT INPAT_ICD9(6422X) Other pre-existing hypertension complicating pregnancy, childbirth, and the puerperium 21
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(O140) Moderate pre-eclampsia. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 21
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
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(O141) Severe pre-eclampsia. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 16
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
INPAT INPAT_ICD10(O104) Pre-existing secondary hypertension complicating pregnancy, childbirth and the puerperium 13
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
PRIM_OUT PRIM_OUT_NOT_USED_ICD10(O122) Gestational oedema with proteinuria. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! 12
INPAT INPAT_ICD9(6426B) Hypertension complicating pregnancy, childbirth and the puerperium, Eclampsia 11
OUTPAT OUTPAT_ICD10(O150) Eclampsia in pregnancy 11
INPAT INPAT_ICD8(63730) Name not found 10
OUTPAT OUTPAT_ICD10(O10) Pre-existing hypertension 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
OUTPAT OUTPAT_ICD10(O102) Pre-existing hypertensive renal disease complicating pregnancy, childbirth and the puerperium 7
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
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