Chapter XV
Pregnancy, childbirth and the puerperium
(O00-O99)

Oedema, proteinuria and hypertensive disorders in pregnancy, childbirth and the puerperium
(O10-O16)

O10 Pre-existing hypertension complicating pregnancy, childbirth and the puerperium
Includes: the listed conditions with pre-existing proteinuria
Excludes: that with increased or superimposed proteinuria ( O11 )
O10.0 Pre-existing essential hypertension complicating pregnancy, childbirth and the puerperium
Any condition in I10 specified as a reason for obstetric care during pregnancy, childbirth or the puerperium
O10.1 Pre-existing hypertensive heart disease complicating pregnancy, childbirth and the puerperium
Any condition in I11.- specified as a reason for obstetric care during pregnancy, childbirth or the puerperium
O10.2 Pre-existing hypertensive renal disease complicating pregnancy, childbirth and the puerperium
Any condition in I12.- specified as a reason for obstetric care during pregnancy, childbirth or the puerperium
O10.3 Pre-existing hypertensive heart and renal disease complicating pregnancy, childbirth and the puerperium
Any condition in I13.- specified as a reason for obstetric care during pregnancy, childbirth or the puerperium
O10.4 Pre-existing secondary hypertension complicating pregnancy, childbirth and the puerperium
Any condition in I15.- specified as a reason for obstetric care during pregnancy, childbirth or the puerperium
O10.9 Unspecified pre-existing hypertension complicating pregnancy, childbirth and the puerperium

O11 Pre-existing hypertensive disorder with superimposed proteinuria
Conditions in O10.- complicated by increased proteinuria
Superimposed pre-eclampsia

O12 Gestational [pregnancy-induced] oedema and proteinuria without hypertension
O12.0 Gestational oedema
O12.1 Gestational proteinuria
O12.2 Gestational oedema with proteinuria

O13 Gestational [pregnancy-induced] hypertension without significant proteinuria
Gestational hypertension NOS
Mild pre-eclampsia

O14 Gestational [pregnancy-induced] hypertension with significant proteinuria
Excludes: superimposed pre-eclampsia ( O11 )
O14.0 Moderate pre-eclampsia
O14.1 Severe pre-eclampsia
O14.9 Pre-eclampsia, unspecified

O15 Eclampsia
Includes: convulsions following conditions in O10-O14 and O16
eclampsia with pregnancy-induced or pre-existing hypertension
O15.0 Eclampsia in pregnancy
O15.1 Eclampsia in labour
O15.2 Eclampsia in the puerperium
O15.9 Eclampsia, unspecified as to time period
Eclampsia NOS

O16 Unspecified maternal hypertension