| O43.111 | Circumvallate placenta, first trimester | BILLABLE CODE |
| O43.112 | Circumvallate placenta, second trimester | BILLABLE CODE |
| O43.113 | Circumvallate placenta, third trimester | BILLABLE CODE |
| O43.119 | Circumvallate placenta, unspecified trimester | BILLABLE CODE |
