| O9A | Maternal malignant neoplasms, traumatic injuries and abuse classifiable elsewhere but complicating pregnancy, childbirth and the puerperium | NON-BILLABLE CODE |
| O9A.1 | Malignant neoplasm complicating pregnancy, childbirth and the puerperium | NON-BILLABLE CODE |
| O9A.11 | Malignant neoplasm complicating pregnancy | NON-BILLABLE CODE |
| O9A.111 | Malignant neoplasm complicating pregnancy, first trimester | BILLABLE CODE |
| O9A.112 | Malignant neoplasm complicating pregnancy, second trimester | BILLABLE CODE |
| O9A.113 | Malignant neoplasm complicating pregnancy, third trimester | BILLABLE CODE |
| O9A.119 | Malignant neoplasm complicating pregnancy, unspecified trimester | BILLABLE CODE |
| O9A.12 | Malignant neoplasm complicating childbirth | BILLABLE CODE |
| O9A.13 | Malignant neoplasm complicating the puerperium | BILLABLE CODE |
| O9A.2 | Injury, poisoning and certain other consequences of external causes complicating pregnancy, childbirth and the puerperium | NON-BILLABLE CODE |
| O9A.21 | Injury, poisoning and certain other consequences of external causes complicating pregnancy | NON-BILLABLE CODE |
| O9A.211 | Injury, poisoning and certain other consequences of external causes complicating pregnancy, first trimester | BILLABLE CODE |
| O9A.212 | Injury, poisoning and certain other consequences of external causes complicating pregnancy, second trimester | BILLABLE CODE |
| O9A.213 | Injury, poisoning and certain other consequences of external causes complicating pregnancy, third trimester | BILLABLE CODE |
| O9A.219 | Injury, poisoning and certain other consequences of external causes complicating pregnancy, unspecified trimester | BILLABLE CODE |
| O9A.22 | Injury, poisoning and certain other consequences of external causes complicating childbirth | BILLABLE CODE |
| O9A.23 | Injury, poisoning and certain other consequences of external causes complicating the puerperium | BILLABLE CODE |
| O9A.3 | Physical abuse complicating pregnancy, childbirth and the puerperium | NON-BILLABLE CODE |
| O9A.31 | Physical abuse complicating pregnancy | NON-BILLABLE CODE |
| O9A.311 | Physical abuse complicating pregnancy, first trimester | BILLABLE CODE |
| O9A.312 | Physical abuse complicating pregnancy, second trimester | BILLABLE CODE |
| O9A.313 | Physical abuse complicating pregnancy, third trimester | BILLABLE CODE |
| O9A.319 | Physical abuse complicating pregnancy, unspecified trimester | BILLABLE CODE |
| O9A.32 | Physical abuse complicating childbirth | BILLABLE CODE |
| O9A.33 | Physical abuse complicating the puerperium | BILLABLE CODE |
| O9A.4 | Sexual abuse complicating pregnancy, childbirth and the puerperium | NON-BILLABLE CODE |
| O9A.41 | Sexual abuse complicating pregnancy | NON-BILLABLE CODE |
| O9A.411 | Sexual abuse complicating pregnancy, first trimester | BILLABLE CODE |
| O9A.412 | Sexual abuse complicating pregnancy, second trimester | BILLABLE CODE |
| O9A.413 | Sexual abuse complicating pregnancy, third trimester | BILLABLE CODE |
| O9A.419 | Sexual abuse complicating pregnancy, unspecified trimester | BILLABLE CODE |
| O9A.42 | Sexual abuse complicating childbirth | BILLABLE CODE |
| O9A.43 | Sexual abuse complicating the puerperium | BILLABLE CODE |
| O9A.5 | Psychological abuse complicating pregnancy, childbirth and the puerperium | NON-BILLABLE CODE |
| O9A.51 | Psychological abuse complicating pregnancy | NON-BILLABLE CODE |
| O9A.511 | Psychological abuse complicating pregnancy, first trimester | BILLABLE CODE |
| O9A.513 | Psychological abuse complicating pregnancy, third trimester | BILLABLE CODE |
| O9A.519 | Psychological abuse complicating pregnancy, unspecified trimester | BILLABLE CODE |
| O9A.52 | Psychological abuse complicating childbirth | BILLABLE CODE |
| O9A.53 | Psychological abuse complicating the puerperium | BILLABLE CODE |
