ICD-10-CM category
O9A: Maternal malignant neoplasms, traumatic injuries and abuse classifiable elsewhere but complicating pregnancy, childbirth and the puerperium
Codes under O9A (Maternal malignant neoplasms, traumatic injuries and abuse classifiable elsewhere but complicating pregnancy, childbirth and the puerperium). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| O9A.1 | Malignant neoplasm complicating pregnancy, childbirth and the puerperium | — |
| O9A.1 | Malignant neoplasm complicating pregnancy, childbirth and the puerperium | — |
| O9A.2 | Injury, poisoning and certain other consequences of external causes complicating pregnancy, childbirth and the puerperium | — |
| O9A.2 | Injury, poisoning and certain other consequences of external causes complicating pregnancy, childbirth and the puerperium | — |
| O9A.3 | Physical abuse complicating pregnancy, childbirth and the puerperium | — |
| O9A.3 | Physical abuse complicating pregnancy, childbirth and the puerperium | — |
| O9A.4 | Sexual abuse complicating pregnancy, childbirth and the puerperium | — |
| O9A.4 | Sexual abuse complicating pregnancy, childbirth and the puerperium | — |
| O9A.5 | Psychological abuse complicating pregnancy, childbirth and the puerperium | — |
| O9A.5 | Psychological abuse complicating pregnancy, childbirth and the puerperium | — |
| O9A.11 | Malignant neoplasm complicating pregnancy | — |
| O9A.11 | Malignant neoplasm complicating pregnancy | — |
| O9A.12 | Malignant neoplasm complicating childbirth | ✓ |
| O9A.12 | Malignant neoplasm complicating childbirth | ✓ |
| O9A.13 | Malignant neoplasm complicating the puerperium | ✓ |
| O9A.13 | Malignant neoplasm complicating the puerperium | ✓ |
| O9A.21 | Injury, poisoning and certain other consequences of external causes complicating pregnancy | — |
| O9A.21 | Injury, poisoning and certain other consequences of external causes complicating pregnancy | — |
| O9A.22 | Injury, poisoning and certain other consequences of external causes complicating childbirth | ✓ |
| O9A.22 | Injury, poisoning and certain other consequences of external causes complicating childbirth | ✓ |
| O9A.23 | Injury, poisoning and certain other consequences of external causes complicating the puerperium | ✓ |
| O9A.23 | Injury, poisoning and certain other consequences of external causes complicating the puerperium | ✓ |
| O9A.31 | Physical abuse complicating pregnancy | — |
| O9A.31 | Physical abuse complicating pregnancy | — |
| O9A.32 | Physical abuse complicating childbirth | ✓ |
| O9A.32 | Physical abuse complicating childbirth | ✓ |
| O9A.33 | Physical abuse complicating the puerperium | ✓ |
| O9A.33 | Physical abuse complicating the puerperium | ✓ |
| O9A.41 | Sexual abuse complicating pregnancy | — |
| O9A.41 | Sexual abuse complicating pregnancy | — |
| O9A.42 | Sexual abuse complicating childbirth | ✓ |
| O9A.42 | Sexual abuse complicating childbirth | ✓ |
| O9A.43 | Sexual abuse complicating the puerperium | ✓ |
| O9A.43 | Sexual abuse complicating the puerperium | ✓ |
| O9A.51 | Psychological abuse complicating pregnancy | — |
| O9A.51 | Psychological abuse complicating pregnancy | — |
| O9A.52 | Psychological abuse complicating childbirth | ✓ |
| O9A.52 | Psychological abuse complicating childbirth | ✓ |
| O9A.53 | Psychological abuse complicating the puerperium | ✓ |
| O9A.53 | Psychological abuse complicating the puerperium | ✓ |
| O9A.111 | Malignant neoplasm complicating pregnancy, first trimester | ✓ |
| O9A.111 | Malignant neoplasm complicating pregnancy, first trimester | ✓ |
| O9A.112 | Malignant neoplasm complicating pregnancy, second trimester | ✓ |
| O9A.112 | Malignant neoplasm complicating pregnancy, second trimester | ✓ |
| O9A.113 | Malignant neoplasm complicating pregnancy, third trimester | ✓ |
| O9A.113 | Malignant neoplasm complicating pregnancy, third trimester | ✓ |
| O9A.119 | Malignant neoplasm complicating pregnancy, unspecified trimester | ✓ |
| O9A.119 | Malignant neoplasm complicating pregnancy, unspecified trimester | ✓ |
| O9A.211 | Injury, poisoning and certain other consequences of external causes complicating pregnancy, first trimester | ✓ |
| O9A.211 | Injury, poisoning and certain other consequences of external causes complicating pregnancy, first trimester | ✓ |
| O9A.212 | Injury, poisoning and certain other consequences of external causes complicating pregnancy, second trimester | ✓ |
| O9A.212 | Injury, poisoning and certain other consequences of external causes complicating pregnancy, second trimester | ✓ |
| O9A.213 | Injury, poisoning and certain other consequences of external causes complicating pregnancy, third trimester | ✓ |
| O9A.213 | Injury, poisoning and certain other consequences of external causes complicating pregnancy, third trimester | ✓ |
| O9A.219 | Injury, poisoning and certain other consequences of external causes complicating pregnancy, unspecified trimester | ✓ |
| O9A.219 | Injury, poisoning and certain other consequences of external causes complicating pregnancy, unspecified trimester | ✓ |
| O9A.311 | Physical abuse complicating pregnancy, first trimester | ✓ |
| O9A.311 | Physical abuse complicating pregnancy, first trimester | ✓ |
| O9A.312 | Physical abuse complicating pregnancy, second trimester | ✓ |
| O9A.312 | Physical abuse complicating pregnancy, second trimester | ✓ |
| O9A.313 | Physical abuse complicating pregnancy, third trimester | ✓ |
| O9A.313 | Physical abuse complicating pregnancy, third trimester | ✓ |
| O9A.319 | Physical abuse complicating pregnancy, unspecified trimester | ✓ |
| O9A.319 | Physical abuse complicating pregnancy, unspecified trimester | ✓ |
| O9A.411 | Sexual abuse complicating pregnancy, first trimester | ✓ |
| O9A.411 | Sexual abuse complicating pregnancy, first trimester | ✓ |
| O9A.412 | Sexual abuse complicating pregnancy, second trimester | ✓ |
| O9A.412 | Sexual abuse complicating pregnancy, second trimester | ✓ |
| O9A.413 | Sexual abuse complicating pregnancy, third trimester | ✓ |
| O9A.413 | Sexual abuse complicating pregnancy, third trimester | ✓ |
| O9A.419 | Sexual abuse complicating pregnancy, unspecified trimester | ✓ |
| O9A.419 | Sexual abuse complicating pregnancy, unspecified trimester | ✓ |
| O9A.511 | Psychological abuse complicating pregnancy, first trimester | ✓ |
| O9A.511 | Psychological abuse complicating pregnancy, first trimester | ✓ |
| O9A.512 | Psychological abuse complicating pregnancy, second trimester | ✓ |
| O9A.512 | Psychological abuse complicating pregnancy, second trimester | ✓ |
| O9A.513 | Psychological abuse complicating pregnancy, third trimester | ✓ |
| O9A.513 | Psychological abuse complicating pregnancy, third trimester | ✓ |
| O9A.519 | Psychological abuse complicating pregnancy, unspecified trimester | ✓ |
| O9A.519 | Psychological abuse complicating pregnancy, unspecified trimester | ✓ |
Frequently asked questions
What is ICD-10-CM code O9A?
O9A is an ICD-10-CM category covering Maternal malignant neoplasms, traumatic injuries and abuse classifiable elsewhere but complicating pregnancy, childbirth and the puerperium. It contains 80 more specific diagnosis codes, 60 of which are billable.
Is O9A a billable code?
No — O9A 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 O9A.1 — Malignant neoplasm complicating pregnancy, childbirth and the puerperium). 60 of the 80 codes under O9A are billable.
What codes fall under O9A?
O9A includes O9A.1, O9A.1, O9A.2, O9A.2, O9A.3, plus 75 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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