ICD-10-CM category
O45 Premature separation of placenta [abruptio placentae]
O45 is a category, not a billable code. Report one of the 24 complete codes below.
Codes in O45
- O45.001Premature separation of placenta with coagulation defect, unspecified, first trimester
- O45.002Premature separation of placenta with coagulation defect, unspecified, second trimester
- O45.003Premature separation of placenta with coagulation defect, unspecified, third trimester
- O45.009Premature separation of placenta with coagulation defect, unspecified, unspecified trimester
- O45.011Premature separation of placenta with afibrinogenemia, first trimester
- O45.012Premature separation of placenta with afibrinogenemia, second trimester
- O45.013Premature separation of placenta with afibrinogenemia, third trimester
- O45.019Premature separation of placenta with afibrinogenemia, unspecified trimester
- O45.021Premature separation of placenta with disseminated intravascular coagulation, first trimester
- O45.022Premature separation of placenta with disseminated intravascular coagulation, second trimester
- O45.023Premature separation of placenta with disseminated intravascular coagulation, third trimester
- O45.029Premature separation of placenta with disseminated intravascular coagulation, unspecified trimester
- O45.091Premature separation of placenta with other coagulation defect, first trimester
- O45.092Premature separation of placenta with other coagulation defect, second trimester
- O45.093Premature separation of placenta with other coagulation defect, third trimester
- O45.099Premature separation of placenta with other coagulation defect, unspecified trimester
- O45.8X1Other premature separation of placenta, first trimester
- O45.8X2Other premature separation of placenta, second trimester
- O45.8X3Other premature separation of placenta, third trimester
- O45.8X9Other premature separation of placenta, unspecified trimester
- O45.90Premature separation of placenta, unspecified, unspecified trimester
- O45.91Premature separation of placenta, unspecified, first trimester
- O45.92Premature separation of placenta, unspecified, second trimester
- O45.93Premature separation of placenta, unspecified, third trimester
Outside the US? O45 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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