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O41 Other disorders of amniotic fluid and membranes
BackO41.0OligohydramniosCategory4 →O41.00Oligohydramnios, unspecified trimesterCategoryO41.01Oligohydramnios, first trimesterCategoryO41.02Oligohydramnios, second trimesterCategoryO41.03Oligohydramnios, third trimesterCategoryO41.1Infection of amniotic sac and membranesCategory3 →O41.10Infection of amniotic sac and membranes, unspecifiedCategory4 →O41.101Infection of amniotic sac and membranes, unspecified, first trimesterCategoryO41.102Infection of amniotic sac and membranes, unspecified, second trimesterCategoryO41.103Infection of amniotic sac and membranes, unspecified, third trimesterCategoryO41.109Infection of amniotic sac and membranes, unspecified, unspecified trimesterCategoryO41.12ChorioamnionitisCategory4 →O41.121Chorioamnionitis, first trimesterCategoryO41.122Chorioamnionitis, second trimesterCategoryO41.123Chorioamnionitis, third trimesterCategoryO41.129Chorioamnionitis, unspecified trimesterCategoryO41.14PlacentitisCategory4 →O41.141Placentitis, first trimesterCategoryO41.142Placentitis, second trimesterCategoryO41.143Placentitis, third trimesterCategoryO41.149Placentitis, unspecified trimesterCategoryO41.8Other specified disorders of amniotic fluid and membranesCategory1 →O41.8XOther specified disorders of amniotic fluid and membranesCategory4 →O41.8X1Other specified disorders of amniotic fluid and membranes, first trimesterCategoryO41.8X2Other specified disorders of amniotic fluid and membranes, second trimesterCategoryO41.8X3Other specified disorders of amniotic fluid and membranes, third trimesterCategoryO41.8X9Other specified disorders of amniotic fluid and membranes, unspecified trimesterCategoryO41.9Disorder of amniotic fluid and membranes, unspecifiedCategory4 →O41.90Disorder of amniotic fluid and membranes, unspecified, unspecified trimesterCategoryO41.91Disorder of amniotic fluid and membranes, unspecified, first trimesterCategoryO41.92Disorder of amniotic fluid and membranes, unspecified, second trimesterCategoryO41.93Disorder of amniotic fluid and membranes, unspecified, third trimesterCategory
Category
O41
Other disorders of amniotic fluid and membranes
EXCLUDES
Excludes1: encounter for suspected maternal and fetal conditions ruled out (Z03.7-)
NOTE
7th character: 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.
7th character definitions: not applicable or unspecified
fetus 1
fetus 2
fetus 3
fetus 4
fetus 5
other fetus
7th character definitions: not applicable or unspecified
fetus 1
fetus 2
fetus 3
fetus 4
fetus 5
other fetus
- Chapter
- XV · Pregnancy, childbirth and the puerperium
- Section
- O30-O48
- Valid from
Source
CMS ICD-10-CM Tabular List, edition FY2026.