O45: Premature separation of placenta [abruptio placentae]

Codes under O45 (Premature separation of placenta [abruptio placentae]). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.

Code	Description	Billable
O45.0	Premature separation of placenta with coagulation defect	—
O45.00	Premature separation of placenta with coagulation defect, unspecified	—
O45.001	Premature separation of placenta with coagulation defect, unspecified, first trimester	✓
O45.01	Premature separation of placenta with afibrinogenemia	—
O45.002	Premature separation of placenta with coagulation defect, unspecified, second trimester	✓
O45.02	Premature separation of placenta with disseminated intravascular coagulation	—
O45.003	Premature separation of placenta with coagulation defect, unspecified, third trimester	✓
O45.8	Other premature separation of placenta	—
O45.8X	Other premature separation of placenta	—
O45.8X1	Other premature separation of placenta, first trimester	✓
O45.8X2	Other premature separation of placenta, second trimester	✓
O45.8X3	Other premature separation of placenta, third trimester	✓
O45.8X9	Other premature separation of placenta, unspecified trimester	✓
O45.009	Premature separation of placenta with coagulation defect, unspecified, unspecified trimester	✓
O45.09	Premature separation of placenta with other coagulation defect	—
O45.9	Premature separation of placenta, unspecified	—
O45.011	Premature separation of placenta with afibrinogenemia, first trimester	✓
O45.012	Premature separation of placenta with afibrinogenemia, second trimester	✓
O45.013	Premature separation of placenta with afibrinogenemia, third trimester	✓
O45.019	Premature separation of placenta with afibrinogenemia, unspecified trimester	✓
O45.021	Premature separation of placenta with disseminated intravascular coagulation, first trimester	✓
O45.022	Premature separation of placenta with disseminated intravascular coagulation, second trimester	✓
O45.023	Premature separation of placenta with disseminated intravascular coagulation, third trimester	✓
O45.029	Premature separation of placenta with disseminated intravascular coagulation, unspecified trimester	✓
O45.90	Premature separation of placenta, unspecified, unspecified trimester	✓
O45.091	Premature separation of placenta with other coagulation defect, first trimester	✓
O45.91	Premature separation of placenta, unspecified, first trimester	✓
O45.092	Premature separation of placenta with other coagulation defect, second trimester	✓
O45.92	Premature separation of placenta, unspecified, second trimester	✓
O45.093	Premature separation of placenta with other coagulation defect, third trimester	✓
O45.93	Premature separation of placenta, unspecified, third trimester	✓
O45.099	Premature separation of placenta with other coagulation defect, unspecified trimester	✓

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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.

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