Category O41

Other disorders of amniotic fluid and membranes

Clinical Classification Guidelines

7th Character Requirement

  • One of the following 7th characters is to be assigned to each code under category O41. 7th character 0 is for single gestations and multiple gestations where the fetus is unspecified. 7th characters 1 through 9 are for cases of multiple gestations to identify the fetus for which the code applies. The appropriate code from category O30, Multiple gestation, must also be assigned when assigning a code from category O41 that has a 7th character of 1 through 9.

Specific Diagnosis Codes

Oligohydramnios
O41.0
Oligohydramnios, unspecified trimester
O41.00
Oligohydramnios, first trimester
O41.01
Oligohydramnios, second trimester
O41.02
Oligohydramnios, third trimester
O41.03
Infection of amniotic sac and membranes
O41.1
Infection of amniotic sac and membranes, unspecified
O41.10
Infection of amniotic sac and membranes, unspecified, first trimester
O41.101
Infection of amniotic sac and membranes, unspecified, second trimester
O41.102
Infection of amniotic sac and membranes, unspecified, third trimester
O41.103
Infection of amniotic sac and membranes, unspecified, unspecified trimester
O41.109
Chorioamnionitis
O41.12
Chorioamnionitis, first trimester
O41.121
Chorioamnionitis, second trimester
O41.122
Chorioamnionitis, third trimester
O41.123
Chorioamnionitis, unspecified trimester
O41.129
Placentitis
O41.14
Placentitis, first trimester
O41.141
Placentitis, second trimester
O41.142
Placentitis, third trimester
O41.143
Placentitis, unspecified trimester
O41.149
Other specified disorders of amniotic fluid and membranes
O41.8
Other specified disorders of amniotic fluid and membranes
O41.8X
Other specified disorders of amniotic fluid and membranes, first trimester
O41.8X1
Other specified disorders of amniotic fluid and membranes, second trimester
O41.8X2
Other specified disorders of amniotic fluid and membranes, third trimester
O41.8X3
Other specified disorders of amniotic fluid and membranes, unspecified trimester
O41.8X9
Disorder of amniotic fluid and membranes, unspecified
O41.9
Disorder of amniotic fluid and membranes, unspecified, unspecified trimester
O41.90
Disorder of amniotic fluid and membranes, unspecified, first trimester
O41.91
Disorder of amniotic fluid and membranes, unspecified, second trimester
O41.92
Disorder of amniotic fluid and membranes, unspecified, third trimester
O41.93