| O45 | Premature separation of placenta [abruptio placentae] | NON-BILLABLE CODE |
| O45.0 | Premature separation of placenta with coagulation defect | NON-BILLABLE CODE |
| O45.00 | Premature separation of placenta with coagulation defect, unspecified | NON-BILLABLE CODE |
| O45.001 | Premature separation of placenta with coagulation defect, unspecified, first trimester | BILLABLE CODE |
| O45.002 | Premature separation of placenta with coagulation defect, unspecified, second trimester | BILLABLE CODE |
| O45.003 | Premature separation of placenta with coagulation defect, unspecified, third trimester | BILLABLE CODE |
| O45.009 | Premature separation of placenta with coagulation defect, unspecified, unspecified trimester | BILLABLE CODE |
| O45.01 | Premature separation of placenta with afibrinogenemia | NON-BILLABLE CODE |
| O45.011 | Premature separation of placenta with afibrinogenemia, first trimester | BILLABLE CODE |
| O45.012 | Premature separation of placenta with afibrinogenemia, second trimester | BILLABLE CODE |
| O45.013 | Premature separation of placenta with afibrinogenemia, third trimester | BILLABLE CODE |
| O45.019 | Premature separation of placenta with afibrinogenemia, unspecified trimester | BILLABLE CODE |
| O45.02 | Premature separation of placenta with disseminated intravascular coagulation | NON-BILLABLE CODE |
| O45.021 | Premature separation of placenta with disseminated intravascular coagulation, first trimester | BILLABLE CODE |
| O45.022 | Premature separation of placenta with disseminated intravascular coagulation, second trimester | BILLABLE CODE |
| O45.023 | Premature separation of placenta with disseminated intravascular coagulation, third trimester | BILLABLE CODE |
| O45.029 | Premature separation of placenta with disseminated intravascular coagulation, unspecified trimester | BILLABLE CODE |
| O45.09 | Premature separation of placenta with other coagulation defect | NON-BILLABLE CODE |
| O45.091 | Premature separation of placenta with other coagulation defect, first trimester | BILLABLE CODE |
| O45.092 | Premature separation of placenta with other coagulation defect, second trimester | BILLABLE CODE |
| O45.093 | Premature separation of placenta with other coagulation defect, third trimester | BILLABLE CODE |
| O45.099 | Premature separation of placenta with other coagulation defect, unspecified trimester | BILLABLE CODE |
| O45.8 | Other premature separation of placenta | NON-BILLABLE CODE |
| O45.8X | Other premature separation of placenta | NON-BILLABLE CODE |
| O45.8X1 | Other premature separation of placenta, first trimester | BILLABLE CODE |
| O45.8X2 | Other premature separation of placenta, second trimester | BILLABLE CODE |
| O45.8X9 | Other premature separation of placenta, unspecified trimester | BILLABLE CODE |
| O45.9 | Premature separation of placenta, unspecified | NON-BILLABLE CODE |
| O45.90 | Premature separation of placenta, unspecified, unspecified trimester | BILLABLE CODE |
| O45.91 | Premature separation of placenta, unspecified, first trimester | BILLABLE CODE |
| O45.92 | Premature separation of placenta, unspecified, second trimester | BILLABLE CODE |
| O45.93 | Premature separation of placenta, unspecified, third trimester | BILLABLE CODE |
