ICD-10-CM category
O46 Antepartum haemorrhage, not elsewhere classified
O46 is a category, not a billable code. Report one of the 24 complete codes below.
Codes in O46
- O46.001Antepartum hemorrhage with coagulation defect, unspecified, first trimester
- O46.002Antepartum hemorrhage with coagulation defect, unspecified, second trimester
- O46.003Antepartum hemorrhage with coagulation defect, unspecified, third trimester
- O46.009Antepartum hemorrhage with coagulation defect, unspecified, unspecified trimester
- O46.011Antepartum hemorrhage with afibrinogenemia, first trimester
- O46.012Antepartum hemorrhage with afibrinogenemia, second trimester
- O46.013Antepartum hemorrhage with afibrinogenemia, third trimester
- O46.019Antepartum hemorrhage with afibrinogenemia, unspecified trimester
- O46.021Antepartum hemorrhage with disseminated intravascular coagulation, first trimester
- O46.022Antepartum hemorrhage with disseminated intravascular coagulation, second trimester
- O46.023Antepartum hemorrhage with disseminated intravascular coagulation, third trimester
- O46.029Antepartum hemorrhage with disseminated intravascular coagulation, unspecified trimester
- O46.091Antepartum hemorrhage with other coagulation defect, first trimester
- O46.092Antepartum hemorrhage with other coagulation defect, second trimester
- O46.093Antepartum hemorrhage with other coagulation defect, third trimester
- O46.099Antepartum hemorrhage with other coagulation defect, unspecified trimester
- O46.8X1Other antepartum hemorrhage, first trimester
- O46.8X2Other antepartum hemorrhage, second trimester
- O46.8X3Other antepartum hemorrhage, third trimester
- O46.8X9Other antepartum hemorrhage, unspecified trimester
- O46.90Antepartum hemorrhage, unspecified, unspecified trimester
- O46.91Antepartum hemorrhage, unspecified, first trimester
- O46.92Antepartum hemorrhage, unspecified, second trimester
- O46.93Antepartum hemorrhage, unspecified, third trimester
Outside the US? O46 in the international WHO ICD-10 lists its inclusion and exclusion notes.
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ICD-10-CM is developed by the National Center for Health Statistics (NCHS), Centers for Disease Control and Prevention, U.S. Department of Health and Human Services, and is based on the WHO ICD-10. Codes and titles are reproduced unchanged from the FY2026 code list (effective 1 October 2025). Their use here does not imply endorsement by CDC, HHS or the U.S. Government. Changes effective on or after 1 October 2026 may not be reflected yet; check the current release at cdc.gov or cms.gov before submitting claims.
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