O41 Other disorders of amniotic fluid and membranes

Category / Non-billable header 32 subcodes

Block: Maternal care related to the fetus and amniotic cavity and possible delivery problems (O30-O48)

Excludes 1 (cannot be coded together)

  • encounter for suspected maternal and fetal conditions ruled out (Z03.7-)

Subcodes

Subcodes are listed below for reference. Detail pages are not available for chapters 11–22.

Code Description Billable
O41..0 Oligohydramnios No
O41..00 Oligohydramnios, unspecified trimester No
O41..01 Oligohydramnios, first trimester No
O41..02 Oligohydramnios, second trimester No
O41..03 Oligohydramnios, third trimester No
O41..1 Infection of amniotic sac and membranes No
O41..10 Infection of amniotic sac and membranes, unspecified No
O41..101 Infection of amniotic sac and membranes, unspecified, first trimester No
O41..102 Infection of amniotic sac and membranes, unspecified, second trimester No
O41..103 Infection of amniotic sac and membranes, unspecified, third trimester No
O41..109 Infection of amniotic sac and membranes, unspecified, unspecified trimester No
O41..12 Chorioamnionitis No
O41..121 Chorioamnionitis, first trimester No
O41..122 Chorioamnionitis, second trimester No
O41..123 Chorioamnionitis, third trimester No
O41..129 Chorioamnionitis, unspecified trimester No
O41..14 Placentitis No
O41..141 Placentitis, first trimester No
O41..142 Placentitis, second trimester No
O41..143 Placentitis, third trimester No
O41..149 Placentitis, unspecified trimester No
O41..8 Other specified disorders of amniotic fluid and membranes No
O41..8X Other specified disorders of amniotic fluid and membranes No
O41..8X1 Other specified disorders of amniotic fluid and membranes, first trimester No
O41..8X2 Other specified disorders of amniotic fluid and membranes, second trimester No
O41..8X3 Other specified disorders of amniotic fluid and membranes, third trimester No
O41..8X9 Other specified disorders of amniotic fluid and membranes, unspecified trimester No
O41..9 Disorder of amniotic fluid and membranes, unspecified No
O41..90 Disorder of amniotic fluid and membranes, unspecified, unspecified trimester No
O41..91 Disorder of amniotic fluid and membranes, unspecified, first trimester No
O41..92 Disorder of amniotic fluid and membranes, unspecified, second trimester No
O41..93 Disorder of amniotic fluid and membranes, unspecified, third trimester No

Last reviewed: September 2026