| 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 |
