O43 - Placental disorders
O43.1 - Malformation of placenta
O43.10 - Malformation of placenta, unspecified
O43.101 - Malformation of placenta, unspecified, first trimester
O43.102 - Malformation of placenta, unspecified, second trimester
O43.103 - Malformation of placenta, unspecified, third trimester
O43.109 - Malformation of placenta, unspecified, unspecified trimester
O43.11 - Circumvallate placenta
O43.111 - Circumvallate placenta, first trimester
O43.112 - Circumvallate placenta, second trimester
O43.113 - Circumvallate placenta, third trimester
O43.119 - Circumvallate placenta, unspecified trimester
O43.12 - Velamentous insertion of umbilical cord
O43.121 - Velamentous insertion of umbilical cord, first trimester
O43.122 - Velamentous insertion of umbilical cord, second trimester
O43.123 - Velamentous insertion of umbilical cord, third trimester
O43.129 - Velamentous insertion of umbilical cord, unspecified trimester
O43.19 - Other malformation of placenta
O43.191 - Other malformation of placenta, first trimester
O43.192 - Other malformation of placenta, second trimester
O43.193 - Other malformation of placenta, third trimester
O43.199 - Other malformation of placenta, unspecified trimester