| O23.51 | Infection of cervix in pregnancy | NON-BILLABLE CODE |
| O23.511 | Infections of cervix in pregnancy, first trimester | BILLABLE CODE |
| O23.512 | Infections of cervix in pregnancy, second trimester | BILLABLE CODE |
| O23.513 | Infections of cervix in pregnancy, third trimester | BILLABLE CODE |
| O23.519 | Infections of cervix in pregnancy, unspecified trimester | BILLABLE CODE |
| O23.52 | Salpingo-oophoritis in pregnancy | NON-BILLABLE CODE |
| O23.521 | Salpingo-oophoritis in pregnancy, first trimester | BILLABLE CODE |
| O23.522 | Salpingo-oophoritis in pregnancy, second trimester | BILLABLE CODE |
| O23.523 | Salpingo-oophoritis in pregnancy, third trimester | BILLABLE CODE |
| O23.529 | Salpingo-oophoritis in pregnancy, unspecified trimester | BILLABLE CODE |
| O23.59 | Infection of other part of genital tract in pregnancy | NON-BILLABLE CODE |
| O23.591 | Infection of other part of genital tract in pregnancy, first trimester | BILLABLE CODE |
| O23.592 | Infection of other part of genital tract in pregnancy, second trimester | BILLABLE CODE |
| O23.593 | Infection of other part of genital tract in pregnancy, third trimester | BILLABLE CODE |
| O23.599 | Infection of other part of genital tract in pregnancy, unspecified trimester | BILLABLE CODE |
