| O46 | Antepartum hemorrhage, not elsewhere classified | NON-BILLABLE CODE |
| O46.0 | Antepartum hemorrhage with coagulation defect | NON-BILLABLE CODE |
| O46.00 | Antepartum hemorrhage with coagulation defect, unspecified | NON-BILLABLE CODE |
| O46.001 | Antepartum hemorrhage with coagulation defect, unspecified, first trimester | BILLABLE CODE |
| O46.002 | Antepartum hemorrhage with coagulation defect, unspecified, second trimester | BILLABLE CODE |
| O46.009 | Antepartum hemorrhage with coagulation defect, unspecified, unspecified trimester | BILLABLE CODE |
| O46.01 | Antepartum hemorrhage with afibrinogenemia | NON-BILLABLE CODE |
| O46.011 | Antepartum hemorrhage with afibrinogenemia, first trimester | BILLABLE CODE |
| O46.012 | Antepartum hemorrhage with afibrinogenemia, second trimester | BILLABLE CODE |
| O46.013 | Antepartum hemorrhage with afibrinogenemia, third trimester | BILLABLE CODE |
| O46.019 | Antepartum hemorrhage with afibrinogenemia, unspecified trimester | BILLABLE CODE |
| O46.02 | Antepartum hemorrhage with disseminated intravascular coagulation | NON-BILLABLE CODE |
| O46.021 | Antepartum hemorrhage with disseminated intravascular coagulation, first trimester | BILLABLE CODE |
| O46.022 | Antepartum hemorrhage with disseminated intravascular coagulation, second trimester | BILLABLE CODE |
| O46.023 | Antepartum hemorrhage with disseminated intravascular coagulation, third trimester | BILLABLE CODE |
| O46.029 | Antepartum hemorrhage with disseminated intravascular coagulation, unspecified trimester | BILLABLE CODE |
| O46.09 | Antepartum hemorrhage with other coagulation defect | NON-BILLABLE CODE |
| O46.091 | Antepartum hemorrhage with other coagulation defect, first trimester | BILLABLE CODE |
| O46.092 | Antepartum hemorrhage with other coagulation defect, second trimester | BILLABLE CODE |
| O46.093 | Antepartum hemorrhage with other coagulation defect, third trimester | BILLABLE CODE |
| O46.099 | Antepartum hemorrhage with other coagulation defect, unspecified trimester | BILLABLE CODE |
| O46.8 | Other antepartum hemorrhage | NON-BILLABLE CODE |
| O46.8X | Other antepartum hemorrhage | NON-BILLABLE CODE |
| O46.8X1 | Other antepartum hemorrhage, first trimester | BILLABLE CODE |
| O46.8X2 | Other antepartum hemorrhage, second trimester | BILLABLE CODE |
| O46.8X3 | Other antepartum hemorrhage, third trimester | BILLABLE CODE |
| O46.8X9 | Other antepartum hemorrhage, unspecified trimester | BILLABLE CODE |
| O46.9 | Antepartum hemorrhage, unspecified | NON-BILLABLE CODE |
| O46.90 | Antepartum hemorrhage, unspecified, unspecified trimester | BILLABLE CODE |
| O46.91 | Antepartum hemorrhage, unspecified, first trimester | BILLABLE CODE |
| O46.92 | Antepartum hemorrhage, unspecified, second trimester | BILLABLE CODE |
| O46.93 | Antepartum hemorrhage, unspecified, third trimester | BILLABLE CODE |
