ICD-10-CM category
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 | — |
| O45.0 | Premature separation of placenta with coagulation defect | — |
| O45.00 | Premature separation of placenta with coagulation defect, unspecified | — |
| O45.00 | Premature separation of placenta with coagulation defect, unspecified | — |
| O45.001 | Premature separation of placenta with coagulation defect, unspecified, first trimester | ✓ |
| O45.001 | Premature separation of placenta with coagulation defect, unspecified, first trimester | ✓ |
| O45.01 | Premature separation of placenta with afibrinogenemia | — |
| O45.01 | Premature separation of placenta with afibrinogenemia | — |
| O45.002 | Premature separation of placenta with coagulation defect, unspecified, second trimester | ✓ |
| O45.002 | Premature separation of placenta with coagulation defect, unspecified, second trimester | ✓ |
| O45.02 | Premature separation of placenta with disseminated intravascular coagulation | — |
| O45.02 | Premature separation of placenta with disseminated intravascular coagulation | — |
| O45.003 | Premature separation of placenta with coagulation defect, unspecified, third trimester | ✓ |
| O45.003 | Premature separation of placenta with coagulation defect, unspecified, third trimester | ✓ |
| O45.8 | Other premature separation of placenta | — |
| O45.8 | Other premature separation of placenta | — |
| O45.8X | Other premature separation of placenta | — |
| O45.8X | Other premature separation of placenta | — |
| O45.8X1 | Other premature separation of placenta, first trimester | ✓ |
| O45.8X1 | Other premature separation of placenta, first trimester | ✓ |
| O45.8X2 | Other premature separation of placenta, second trimester | ✓ |
| O45.8X2 | Other premature separation of placenta, second trimester | ✓ |
| O45.8X3 | Other premature separation of placenta, third trimester | ✓ |
| O45.8X3 | Other premature separation of placenta, third trimester | ✓ |
| O45.8X9 | Other premature separation of placenta, unspecified trimester | ✓ |
| O45.8X9 | Other premature separation of placenta, unspecified trimester | ✓ |
| O45.009 | Premature separation of placenta with coagulation defect, unspecified, unspecified trimester | ✓ |
| O45.009 | Premature separation of placenta with coagulation defect, unspecified, unspecified trimester | ✓ |
| O45.09 | Premature separation of placenta with other coagulation defect | — |
| O45.09 | Premature separation of placenta with other coagulation defect | — |
| O45.9 | Premature separation of placenta, unspecified | — |
| O45.9 | Premature separation of placenta, unspecified | — |
| O45.011 | Premature separation of placenta with afibrinogenemia, first trimester | ✓ |
| O45.011 | Premature separation of placenta with afibrinogenemia, first trimester | ✓ |
| O45.012 | Premature separation of placenta with afibrinogenemia, second trimester | ✓ |
| O45.012 | Premature separation of placenta with afibrinogenemia, second trimester | ✓ |
| O45.013 | Premature separation of placenta with afibrinogenemia, third trimester | ✓ |
| O45.013 | Premature separation of placenta with afibrinogenemia, third trimester | ✓ |
| O45.019 | Premature separation of placenta with afibrinogenemia, unspecified trimester | ✓ |
| O45.019 | Premature separation of placenta with afibrinogenemia, unspecified trimester | ✓ |
| O45.021 | Premature separation of placenta with disseminated intravascular coagulation, first 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 | ✓ |
| O45.022 | Premature separation of placenta with disseminated intravascular coagulation, second trimester | ✓ |
| O45.023 | Premature separation of placenta with disseminated intravascular coagulation, third 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 | ✓ |
| O45.029 | Premature separation of placenta with disseminated intravascular coagulation, unspecified trimester | ✓ |
| O45.90 | Premature separation of placenta, unspecified, unspecified trimester | ✓ |
| O45.90 | Premature separation of placenta, unspecified, unspecified trimester | ✓ |
| O45.091 | Premature separation of placenta with other coagulation defect, first trimester | ✓ |
| O45.091 | Premature separation of placenta with other coagulation defect, first trimester | ✓ |
| O45.91 | Premature separation of placenta, unspecified, first trimester | ✓ |
| O45.91 | Premature separation of placenta, unspecified, first trimester | ✓ |
| O45.092 | Premature separation of placenta with other coagulation defect, second trimester | ✓ |
| O45.092 | Premature separation of placenta with other coagulation defect, second trimester | ✓ |
| O45.92 | Premature separation of placenta, unspecified, second trimester | ✓ |
| O45.92 | Premature separation of placenta, unspecified, second trimester | ✓ |
| O45.093 | Premature separation of placenta with other coagulation defect, third trimester | ✓ |
| O45.093 | Premature separation of placenta with other coagulation defect, third trimester | ✓ |
| O45.93 | Premature separation of placenta, unspecified, third trimester | ✓ |
| O45.93 | Premature separation of placenta, unspecified, third trimester | ✓ |
| O45.099 | Premature separation of placenta with other coagulation defect, unspecified trimester | ✓ |
| O45.099 | Premature separation of placenta with other coagulation defect, unspecified trimester | ✓ |
Frequently asked questions
What is ICD-10-CM code O45?
O45 is an ICD-10-CM category covering Premature separation of placenta [abruptio placentae]. It contains 64 more specific diagnosis codes, 48 of which are billable.
Is O45 a billable code?
No — O45 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example O45.0 — Premature separation of placenta with coagulation defect). 48 of the 64 codes under O45 are billable.
What codes fall under O45?
O45 includes O45.0, O45.0, O45.00, O45.00, O45.001, plus 59 more. See the full list with descriptions and billable status above.
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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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