| O44 | Placenta previa | NON-BILLABLE CODE |
| O44.0 | Complete placenta previa NOS or without hemorrhage | NON-BILLABLE CODE |
| O44.00 | Complete placenta previa NOS or without hemorrhage, unspecified trimester | BILLABLE CODE |
| O44.01 | Complete placenta previa NOS or without hemorrhage, first trimester | BILLABLE CODE |
| O44.02 | Complete placenta previa NOS or without hemorrhage, second trimester | BILLABLE CODE |
| O44.03 | Complete placenta previa NOS or without hemorrhage, third trimester | BILLABLE CODE |
| O44.1 | Complete placenta previa with hemorrhage | NON-BILLABLE CODE |
| O44.10 | Complete placenta previa with hemorrhage, unspecified trimester | BILLABLE CODE |
| O44.11 | Complete placenta previa with hemorrhage, first trimester | BILLABLE CODE |
| O44.12 | Complete placenta previa with hemorrhage, second trimester | BILLABLE CODE |
| O44.13 | Complete placenta previa with hemorrhage, third trimester | BILLABLE CODE |
| O44.2 | Partial placenta previa without hemorrhage | NON-BILLABLE CODE |
| O44.20 | Partial placenta previa NOS or without hemorrhage, unspecified trimester | BILLABLE CODE |
| O44.21 | Partial placenta previa NOS or without hemorrhage, first trimester | BILLABLE CODE |
| O44.22 | Partial placenta previa NOS or without hemorrhage, second trimester | BILLABLE CODE |
| O44.23 | Partial placenta previa NOS or without hemorrhage, third trimester | BILLABLE CODE |
| O44.3 | Partial placenta previa with hemorrhage | NON-BILLABLE CODE |
| O44.30 | Partial placenta previa with hemorrhage, unspecified trimester | BILLABLE CODE |
| O44.31 | Partial placenta previa with hemorrhage, first trimester | BILLABLE CODE |
| O44.32 | Partial placenta previa with hemorrhage, second trimester | BILLABLE CODE |
| O44.33 | Partial placenta previa with hemorrhage, third trimester | BILLABLE CODE |
| O44.4 | Low lying placenta NOS or without hemorrhage | NON-BILLABLE CODE |
| O44.40 | Low lying placenta NOS or without hemorrhage, unspecified trimester | BILLABLE CODE |
| O44.41 | Low lying placenta NOS or without hemorrhage, first trimester | BILLABLE CODE |
| O44.42 | Low lying placenta NOS or without hemorrhage, second trimester | BILLABLE CODE |
| O44.43 | Low lying placenta NOS or without hemorrhage, third trimester | BILLABLE CODE |
| O44.5 | Low lying placenta with hemorrhage | NON-BILLABLE CODE |
| O44.51 | Low lying placenta with hemorrhage, first trimester | BILLABLE CODE |
| O44.52 | Low lying placenta with hemorrhage, second trimester | BILLABLE CODE |
| O44.53 | Low lying placenta with hemorrhage, third trimester | BILLABLE CODE |
