O10.1 - Pre-existing hypertensive heart disease complicating pregnancy, childbirth and the puerperium
O10.11 - Pre-existing hypertensive heart disease complicating pregnancy
O10.111 - Pre-existing hypertensive heart disease complicating pregnancy, first trimester
O10.112 - Pre-existing hypertensive heart disease complicating pregnancy, second trimester
O10.113 - Pre-existing hypertensive heart disease complicating pregnancy, third trimester
O10.119 - Pre-existing hypertensive heart disease complicating pregnancy, unspecified trimester