| O98.91 | Unspecified maternal infectious and parasitic disease complicating pregnancy | NON-BILLABLE CODE |
| O98.911 | Unspecified maternal infectious and parasitic disease complicating pregnancy, first trimester | BILLABLE CODE |
| O98.912 | Unspecified maternal infectious and parasitic disease complicating pregnancy, second trimester | BILLABLE CODE |
| O98.913 | Unspecified maternal infectious and parasitic disease complicating pregnancy, third trimester | BILLABLE CODE |
| O98.919 | Unspecified maternal infectious and parasitic disease complicating pregnancy, unspecified trimester | BILLABLE CODE |
| O98.92 | Unspecified maternal infectious and parasitic disease complicating childbirth | BILLABLE CODE |
| O98.93 | Unspecified maternal infectious and parasitic disease complicating the puerperium | BILLABLE CODE |
