Pre-existing hypertension complicating pregnancy, childbirth and the puerperium
Notes: Any condition in I10 specified as a reason for obstetric care during pregnancy, childbirth or the puerperium ; Any condition in I11 specified as a reason for obstetric care during pregnancy, childbirth or the puerperium ; Any condition in I12 specified as a reason for obstetric care during pregnancy, childbirth or the puerperium ; Any condition in I13 specified as a reason for obstetric care during pregnancy, childbirth or the puerperium ; Any condition in I15 specified as a reason for obstetric care during pregnancy, childbirth or the puerperium ; code from I11 to identify the type of hypertensive heart disease ; code from I12 to identify the type of hypertensive chronic kidney disease ; code from I13 to identify the type of hypertensive heart and chronic kidney disease ; code from I15 to identify the type of secondary hypertension ; pre-existing hypertension with superimposed pre-eclampsia complicating pregnancy, childbirth and the puerperium (O11.-)