O41 - Other disorders of amniotic fluid and membranes
O41.1 - Infection of amniotic sac and membranes
O41.10 - Infection of amniotic sac and membranes, unspecified
O41.101 - Infection of amniotic sac and membranes, unspecified, first trimester
O41.102 - Infection of amniotic sac and membranes, unspecified, second trimester
O41.103 - Infection of amniotic sac and membranes, unspecified, third trimester
O41.109 - Infection of amniotic sac and membranes, unspecified, unspecified trimester
O41.12 - Chorioamnionitis
O41.121 - Chorioamnionitis, first trimester
O41.122 - Chorioamnionitis, second trimester
O41.123 - Chorioamnionitis, third trimester
O41.129 - Chorioamnionitis, unspecified trimester
O41.14 - Placentitis
O41.141 - Placentitis, first trimester
O41.142 - Placentitis, second trimester
O41.143 - Placentitis, third trimester
O41.149 - Placentitis, unspecified trimester