| O41.1020 | Infection of amniotic sac and membranes, unspecified, second trimester, not applicable or unspecified | BILLABLE CODE |
| O41.1021 | Infection of amniotic sac and membranes, unspecified, second trimester, fetus 1 | BILLABLE CODE |
| O41.1022 | Infection of amniotic sac and membranes, unspecified, second trimester, fetus 2 | BILLABLE CODE |
| O41.1023 | Infection of amniotic sac and membranes, unspecified, second trimester, fetus 3 | BILLABLE CODE |
| O41.1024 | Infection of amniotic sac and membranes, unspecified, second trimester, fetus 4 | BILLABLE CODE |
| O41.1025 | Infection of amniotic sac and membranes, unspecified, second trimester, fetus 5 | BILLABLE CODE |
| O41.1029 | Infection of amniotic sac and membranes, unspecified, second trimester, other fetus | BILLABLE CODE |
