ICD-10-CM · Chapter 15 · O00-O9A
O46 Antepartum hemorrhage, not elsewhere classified
Excludes 1 (cannot be coded together)
- hemorrhage in early pregnancy (O20.-)
- intrapartum hemorrhage NEC (O67.-)
- placenta previa (O44.-)
- premature separation of placenta [abruptio placentae] (O45.-)
Subcodes
Subcodes are listed below for reference. Detail pages are not available for chapters 11–22.
| Code | Description | Billable |
|---|---|---|
| O46..0 | Antepartum hemorrhage with coagulation defect | No |
| O46..00 | Antepartum hemorrhage with coagulation defect, unspecified | No |
| O46..001 | Antepartum hemorrhage with coagulation defect, unspecified, first trimester | Yes |
| O46..002 | Antepartum hemorrhage with coagulation defect, unspecified, second trimester | Yes |
| O46..003 | Antepartum hemorrhage with coagulation defect, unspecified, third trimester | Yes |
| O46..009 | Antepartum hemorrhage with coagulation defect, unspecified, unspecified trimester | Yes |
| O46..01 | Antepartum hemorrhage with afibrinogenemia | No |
| O46..011 | Antepartum hemorrhage with afibrinogenemia, first trimester | Yes |
| O46..012 | Antepartum hemorrhage with afibrinogenemia, second trimester | Yes |
| O46..013 | Antepartum hemorrhage with afibrinogenemia, third trimester | Yes |
| O46..019 | Antepartum hemorrhage with afibrinogenemia, unspecified trimester | Yes |
| O46..02 | Antepartum hemorrhage with disseminated intravascular coagulation | No |
| O46..021 | Antepartum hemorrhage with disseminated intravascular coagulation, first trimester | Yes |
| O46..022 | Antepartum hemorrhage with disseminated intravascular coagulation, second trimester | Yes |
| O46..023 | Antepartum hemorrhage with disseminated intravascular coagulation, third trimester | Yes |
| O46..029 | Antepartum hemorrhage with disseminated intravascular coagulation, unspecified trimester | Yes |
| O46..09 | Antepartum hemorrhage with other coagulation defect | No |
| O46..091 | Antepartum hemorrhage with other coagulation defect, first trimester | Yes |
| O46..092 | Antepartum hemorrhage with other coagulation defect, second trimester | Yes |
| O46..093 | Antepartum hemorrhage with other coagulation defect, third trimester | Yes |
| O46..099 | Antepartum hemorrhage with other coagulation defect, unspecified trimester | Yes |
| O46..8 | Other antepartum hemorrhage | No |
| O46..8X | Other antepartum hemorrhage | No |
| O46..8X1 | Other antepartum hemorrhage, first trimester | Yes |
| O46..8X2 | Other antepartum hemorrhage, second trimester | Yes |
| O46..8X3 | Other antepartum hemorrhage, third trimester | Yes |
| O46..8X9 | Other antepartum hemorrhage, unspecified trimester | Yes |
| O46..9 | Antepartum hemorrhage, unspecified | No |
| O46..90 | Antepartum hemorrhage, unspecified, unspecified trimester | Yes |
| O46..91 | Antepartum hemorrhage, unspecified, first trimester | Yes |
| O46..92 | Antepartum hemorrhage, unspecified, second trimester | Yes |
| O46..93 | Antepartum hemorrhage, unspecified, third trimester | Yes |
Last reviewed: September 2026