ICD-10-CM category
O41: Other disorders of amniotic fluid and membranes
Codes under O41 (Other disorders of amniotic fluid and membranes). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| O41.0 | Oligohydramnios | — |
| O41.0 | Oligohydramnios | — |
| O41.00 | Oligohydramnios, unspecified trimester | — |
| O41.00 | Oligohydramnios, unspecified trimester | — |
| O41.00X0 | Oligohydramnios, unspecified trimester, not applicable or unspecified | ✓ |
| O41.00X0 | Oligohydramnios, unspecified trimester, not applicable or unspecified | ✓ |
| O41.00X1 | Oligohydramnios, unspecified trimester, fetus 1 | ✓ |
| O41.00X1 | Oligohydramnios, unspecified trimester, fetus 1 | ✓ |
| O41.00X2 | Oligohydramnios, unspecified trimester, fetus 2 | ✓ |
| O41.00X2 | Oligohydramnios, unspecified trimester, fetus 2 | ✓ |
| O41.00X3 | Oligohydramnios, unspecified trimester, fetus 3 | ✓ |
| O41.00X3 | Oligohydramnios, unspecified trimester, fetus 3 | ✓ |
| O41.00X4 | Oligohydramnios, unspecified trimester, fetus 4 | ✓ |
| O41.00X4 | Oligohydramnios, unspecified trimester, fetus 4 | ✓ |
| O41.00X5 | Oligohydramnios, unspecified trimester, fetus 5 | ✓ |
| O41.00X5 | Oligohydramnios, unspecified trimester, fetus 5 | ✓ |
| O41.00X9 | Oligohydramnios, unspecified trimester, other fetus | ✓ |
| O41.00X9 | Oligohydramnios, unspecified trimester, other fetus | ✓ |
| O41.01 | Oligohydramnios, first trimester | — |
| O41.01 | Oligohydramnios, first trimester | — |
| O41.1 | Infection of amniotic sac and membranes | — |
| O41.1 | Infection of amniotic sac and membranes | — |
| O41.01X0 | Oligohydramnios, first trimester, not applicable or unspecified | ✓ |
| O41.01X0 | Oligohydramnios, first trimester, not applicable or unspecified | ✓ |
| O41.01X1 | Oligohydramnios, first trimester, fetus 1 | ✓ |
| O41.01X1 | Oligohydramnios, first trimester, fetus 1 | ✓ |
| O41.01X2 | Oligohydramnios, first trimester, fetus 2 | ✓ |
| O41.01X2 | Oligohydramnios, first trimester, fetus 2 | ✓ |
| O41.01X3 | Oligohydramnios, first trimester, fetus 3 | ✓ |
| O41.01X3 | Oligohydramnios, first trimester, fetus 3 | ✓ |
| O41.01X4 | Oligohydramnios, first trimester, fetus 4 | ✓ |
| O41.01X4 | Oligohydramnios, first trimester, fetus 4 | ✓ |
| O41.01X5 | Oligohydramnios, first trimester, fetus 5 | ✓ |
| O41.01X5 | Oligohydramnios, first trimester, fetus 5 | ✓ |
| O41.01X9 | Oligohydramnios, first trimester, other fetus | ✓ |
| O41.01X9 | Oligohydramnios, first trimester, other fetus | ✓ |
| O41.02 | Oligohydramnios, second trimester | — |
| O41.02 | Oligohydramnios, second trimester | — |
| O41.02X0 | Oligohydramnios, second trimester, not applicable or unspecified | ✓ |
| O41.02X0 | Oligohydramnios, second trimester, not applicable or unspecified | ✓ |
| O41.02X1 | Oligohydramnios, second trimester, fetus 1 | ✓ |
| O41.02X1 | Oligohydramnios, second trimester, fetus 1 | ✓ |
| O41.02X2 | Oligohydramnios, second trimester, fetus 2 | ✓ |
| O41.02X2 | Oligohydramnios, second trimester, fetus 2 | ✓ |
| O41.02X3 | Oligohydramnios, second trimester, fetus 3 | ✓ |
| O41.02X3 | Oligohydramnios, second trimester, fetus 3 | ✓ |
| O41.02X4 | Oligohydramnios, second trimester, fetus 4 | ✓ |
| O41.02X4 | Oligohydramnios, second trimester, fetus 4 | ✓ |
| O41.02X5 | Oligohydramnios, second trimester, fetus 5 | ✓ |
| O41.02X5 | Oligohydramnios, second trimester, fetus 5 | ✓ |
| O41.02X9 | Oligohydramnios, second trimester, other fetus | ✓ |
| O41.02X9 | Oligohydramnios, second trimester, other fetus | ✓ |
| O41.03 | Oligohydramnios, third trimester | — |
| O41.03 | Oligohydramnios, third trimester | — |
| O41.03X0 | Oligohydramnios, third trimester, not applicable or unspecified | ✓ |
| O41.03X0 | Oligohydramnios, third trimester, not applicable or unspecified | ✓ |
| O41.03X1 | Oligohydramnios, third trimester, fetus 1 | ✓ |
| O41.03X1 | Oligohydramnios, third trimester, fetus 1 | ✓ |
| O41.03X2 | Oligohydramnios, third trimester, fetus 2 | ✓ |
| O41.03X2 | Oligohydramnios, third trimester, fetus 2 | ✓ |
| O41.03X3 | Oligohydramnios, third trimester, fetus 3 | ✓ |
| O41.03X3 | Oligohydramnios, third trimester, fetus 3 | ✓ |
| O41.03X4 | Oligohydramnios, third trimester, fetus 4 | ✓ |
| O41.03X4 | Oligohydramnios, third trimester, fetus 4 | ✓ |
| O41.03X5 | Oligohydramnios, third trimester, fetus 5 | ✓ |
| O41.03X5 | Oligohydramnios, third trimester, fetus 5 | ✓ |
| O41.03X9 | Oligohydramnios, third trimester, other fetus | ✓ |
| O41.03X9 | Oligohydramnios, third trimester, other fetus | ✓ |
| O41.8 | 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 | — |
| O41.8X | Other specified disorders of amniotic fluid and membranes | — |
| O41.8X1 | Other specified disorders of amniotic fluid and membranes, first trimester | — |
| O41.8X1 | Other specified disorders of amniotic fluid and membranes, first trimester | — |
| O41.8X2 | Other specified disorders of amniotic fluid and membranes, second trimester | — |
| O41.8X2 | Other specified disorders of amniotic fluid and membranes, second trimester | — |
| O41.8X3 | Other specified disorders of amniotic fluid and membranes, third trimester | — |
| O41.8X3 | Other specified disorders of amniotic fluid and membranes, third trimester | — |
| O41.8X9 | Other specified disorders of amniotic fluid and membranes, unspecified trimester | — |
| O41.8X9 | Other specified disorders of amniotic fluid and membranes, unspecified trimester | — |
| O41.8X10 | Other specified disorders of amniotic fluid and membranes, first trimester, not applicable or unspecified | ✓ |
| O41.8X10 | Other specified disorders of amniotic fluid and membranes, first trimester, not applicable or unspecified | ✓ |
| O41.8X11 | Other specified disorders of amniotic fluid and membranes, first trimester, fetus 1 | ✓ |
| O41.8X11 | Other specified disorders of amniotic fluid and membranes, first trimester, fetus 1 | ✓ |
| O41.8X12 | Other specified disorders of amniotic fluid and membranes, first trimester, fetus 2 | ✓ |
| O41.8X12 | Other specified disorders of amniotic fluid and membranes, first trimester, fetus 2 | ✓ |
| O41.8X13 | Other specified disorders of amniotic fluid and membranes, first trimester, fetus 3 | ✓ |
| O41.8X13 | Other specified disorders of amniotic fluid and membranes, first trimester, fetus 3 | ✓ |
| O41.8X14 | Other specified disorders of amniotic fluid and membranes, first trimester, fetus 4 | ✓ |
| O41.8X14 | Other specified disorders of amniotic fluid and membranes, first trimester, fetus 4 | ✓ |
| O41.8X15 | Other specified disorders of amniotic fluid and membranes, first trimester, fetus 5 | ✓ |
| O41.8X15 | Other specified disorders of amniotic fluid and membranes, first trimester, fetus 5 | ✓ |
| O41.8X19 | Other specified disorders of amniotic fluid and membranes, first trimester, other fetus | ✓ |
| O41.8X19 | Other specified disorders of amniotic fluid and membranes, first trimester, other fetus | ✓ |
| O41.8X20 | Other specified disorders of amniotic fluid and membranes, second trimester, not applicable or unspecified | ✓ |
| O41.8X20 | Other specified disorders of amniotic fluid and membranes, second trimester, not applicable or unspecified | ✓ |
| O41.8X21 | Other specified disorders of amniotic fluid and membranes, second trimester, fetus 1 | ✓ |
| O41.8X21 | Other specified disorders of amniotic fluid and membranes, second trimester, fetus 1 | ✓ |
| O41.8X22 | Other specified disorders of amniotic fluid and membranes, second trimester, fetus 2 | ✓ |
| O41.8X22 | Other specified disorders of amniotic fluid and membranes, second trimester, fetus 2 | ✓ |
| O41.8X23 | Other specified disorders of amniotic fluid and membranes, second trimester, fetus 3 | ✓ |
| O41.8X23 | Other specified disorders of amniotic fluid and membranes, second trimester, fetus 3 | ✓ |
| O41.8X24 | Other specified disorders of amniotic fluid and membranes, second trimester, fetus 4 | ✓ |
| O41.8X24 | Other specified disorders of amniotic fluid and membranes, second trimester, fetus 4 | ✓ |
| O41.8X25 | Other specified disorders of amniotic fluid and membranes, second trimester, fetus 5 | ✓ |
| O41.8X25 | Other specified disorders of amniotic fluid and membranes, second trimester, fetus 5 | ✓ |
| O41.8X29 | Other specified disorders of amniotic fluid and membranes, second trimester, other fetus | ✓ |
| O41.8X29 | Other specified disorders of amniotic fluid and membranes, second trimester, other fetus | ✓ |
| O41.8X30 | Other specified disorders of amniotic fluid and membranes, third trimester, not applicable or unspecified | ✓ |
| O41.8X30 | Other specified disorders of amniotic fluid and membranes, third trimester, not applicable or unspecified | ✓ |
| O41.8X31 | Other specified disorders of amniotic fluid and membranes, third trimester, fetus 1 | ✓ |
| O41.8X31 | Other specified disorders of amniotic fluid and membranes, third trimester, fetus 1 | ✓ |
| O41.8X32 | Other specified disorders of amniotic fluid and membranes, third trimester, fetus 2 | ✓ |
| O41.8X32 | Other specified disorders of amniotic fluid and membranes, third trimester, fetus 2 | ✓ |
| O41.8X33 | Other specified disorders of amniotic fluid and membranes, third trimester, fetus 3 | ✓ |
| O41.8X33 | Other specified disorders of amniotic fluid and membranes, third trimester, fetus 3 | ✓ |
| O41.8X34 | Other specified disorders of amniotic fluid and membranes, third trimester, fetus 4 | ✓ |
| O41.8X34 | Other specified disorders of amniotic fluid and membranes, third trimester, fetus 4 | ✓ |
| O41.8X35 | Other specified disorders of amniotic fluid and membranes, third trimester, fetus 5 | ✓ |
| O41.8X35 | Other specified disorders of amniotic fluid and membranes, third trimester, fetus 5 | ✓ |
| O41.8X39 | Other specified disorders of amniotic fluid and membranes, third trimester, other fetus | ✓ |
| O41.8X39 | Other specified disorders of amniotic fluid and membranes, third trimester, other fetus | ✓ |
| O41.8X90 | Other specified disorders of amniotic fluid and membranes, unspecified trimester, not applicable or unspecified | ✓ |
| O41.8X90 | Other specified disorders of amniotic fluid and membranes, unspecified trimester, not applicable or unspecified | ✓ |
| O41.8X91 | Other specified disorders of amniotic fluid and membranes, unspecified trimester, fetus 1 | ✓ |
| O41.8X91 | Other specified disorders of amniotic fluid and membranes, unspecified trimester, fetus 1 | ✓ |
| O41.8X92 | Other specified disorders of amniotic fluid and membranes, unspecified trimester, fetus 2 | ✓ |
| O41.8X92 | Other specified disorders of amniotic fluid and membranes, unspecified trimester, fetus 2 | ✓ |
| O41.8X93 | Other specified disorders of amniotic fluid and membranes, unspecified trimester, fetus 3 | ✓ |
| O41.8X93 | Other specified disorders of amniotic fluid and membranes, unspecified trimester, fetus 3 | ✓ |
| O41.8X94 | Other specified disorders of amniotic fluid and membranes, unspecified trimester, fetus 4 | ✓ |
| O41.8X94 | Other specified disorders of amniotic fluid and membranes, unspecified trimester, fetus 4 | ✓ |
| O41.8X95 | Other specified disorders of amniotic fluid and membranes, unspecified trimester, fetus 5 | ✓ |
| O41.8X95 | Other specified disorders of amniotic fluid and membranes, unspecified trimester, fetus 5 | ✓ |
| O41.8X99 | Other specified disorders of amniotic fluid and membranes, unspecified trimester, other fetus | ✓ |
| O41.8X99 | Other specified disorders of amniotic fluid and membranes, unspecified trimester, other fetus | ✓ |
| O41.9 | Disorder of amniotic fluid and membranes, unspecified | — |
| O41.9 | Disorder of amniotic fluid and membranes, unspecified | — |
| O41.10 | Infection of amniotic sac and membranes, unspecified | — |
| O41.10 | Infection of amniotic sac and membranes, unspecified | — |
| O41.12 | Chorioamnionitis | — |
| O41.12 | Chorioamnionitis | — |
| O41.14 | Placentitis | — |
| O41.14 | Placentitis | — |
| O41.90 | Disorder of amniotic fluid and membranes, unspecified, unspecified trimester | — |
| O41.90 | Disorder of amniotic fluid and membranes, unspecified, unspecified trimester | — |
| O41.90X0 | Disorder of amniotic fluid and membranes, unspecified, unspecified trimester, not applicable or unspecified | ✓ |
| O41.90X0 | Disorder of amniotic fluid and membranes, unspecified, unspecified trimester, not applicable or unspecified | ✓ |
| O41.90X1 | Disorder of amniotic fluid and membranes, unspecified, unspecified trimester, fetus 1 | ✓ |
| O41.90X1 | Disorder of amniotic fluid and membranes, unspecified, unspecified trimester, fetus 1 | ✓ |
| O41.90X2 | Disorder of amniotic fluid and membranes, unspecified, unspecified trimester, fetus 2 | ✓ |
| O41.90X2 | Disorder of amniotic fluid and membranes, unspecified, unspecified trimester, fetus 2 | ✓ |
| O41.90X3 | Disorder of amniotic fluid and membranes, unspecified, unspecified trimester, fetus 3 | ✓ |
| O41.90X3 | Disorder of amniotic fluid and membranes, unspecified, unspecified trimester, fetus 3 | ✓ |
| O41.90X4 | Disorder of amniotic fluid and membranes, unspecified, unspecified trimester, fetus 4 | ✓ |
| O41.90X4 | Disorder of amniotic fluid and membranes, unspecified, unspecified trimester, fetus 4 | ✓ |
| O41.90X5 | Disorder of amniotic fluid and membranes, unspecified, unspecified trimester, fetus 5 | ✓ |
| O41.90X5 | Disorder of amniotic fluid and membranes, unspecified, unspecified trimester, fetus 5 | ✓ |
| O41.90X9 | Disorder of amniotic fluid and membranes, unspecified, unspecified trimester, other fetus | ✓ |
| O41.90X9 | Disorder of amniotic fluid and membranes, unspecified, unspecified trimester, other fetus | ✓ |
| O41.91 | Disorder of amniotic fluid and membranes, unspecified, first trimester | — |
| O41.91 | Disorder of amniotic fluid and membranes, unspecified, first trimester | — |
| O41.91X0 | Disorder of amniotic fluid and membranes, unspecified, first trimester, not applicable or unspecified | ✓ |
| O41.91X0 | Disorder of amniotic fluid and membranes, unspecified, first trimester, not applicable or unspecified | ✓ |
| O41.91X1 | Disorder of amniotic fluid and membranes, unspecified, first trimester, fetus 1 | ✓ |
| O41.91X1 | Disorder of amniotic fluid and membranes, unspecified, first trimester, fetus 1 | ✓ |
| O41.91X2 | Disorder of amniotic fluid and membranes, unspecified, first trimester, fetus 2 | ✓ |
| O41.91X2 | Disorder of amniotic fluid and membranes, unspecified, first trimester, fetus 2 | ✓ |
| O41.91X3 | Disorder of amniotic fluid and membranes, unspecified, first trimester, fetus 3 | ✓ |
| O41.91X3 | Disorder of amniotic fluid and membranes, unspecified, first trimester, fetus 3 | ✓ |
| O41.91X4 | Disorder of amniotic fluid and membranes, unspecified, first trimester, fetus 4 | ✓ |
| O41.91X4 | Disorder of amniotic fluid and membranes, unspecified, first trimester, fetus 4 | ✓ |
| O41.91X5 | Disorder of amniotic fluid and membranes, unspecified, first trimester, fetus 5 | ✓ |
| O41.91X5 | Disorder of amniotic fluid and membranes, unspecified, first trimester, fetus 5 | ✓ |
| O41.91X9 | Disorder of amniotic fluid and membranes, unspecified, first trimester, other fetus | ✓ |
| O41.91X9 | Disorder of amniotic fluid and membranes, unspecified, first trimester, other fetus | ✓ |
| O41.92 | Disorder of amniotic fluid and membranes, unspecified, second trimester | — |
| O41.92 | Disorder of amniotic fluid and membranes, unspecified, second trimester | — |
| O41.92X0 | Disorder of amniotic fluid and membranes, unspecified, second trimester, not applicable or unspecified | ✓ |
| O41.92X0 | Disorder of amniotic fluid and membranes, unspecified, second trimester, not applicable or unspecified | ✓ |
| O41.92X1 | Disorder of amniotic fluid and membranes, unspecified, second trimester, fetus 1 | ✓ |
| O41.92X1 | Disorder of amniotic fluid and membranes, unspecified, second trimester, fetus 1 | ✓ |
| O41.92X2 | Disorder of amniotic fluid and membranes, unspecified, second trimester, fetus 2 | ✓ |
| O41.92X2 | Disorder of amniotic fluid and membranes, unspecified, second trimester, fetus 2 | ✓ |
| O41.92X3 | Disorder of amniotic fluid and membranes, unspecified, second trimester, fetus 3 | ✓ |
| O41.92X3 | Disorder of amniotic fluid and membranes, unspecified, second trimester, fetus 3 | ✓ |
| O41.92X4 | Disorder of amniotic fluid and membranes, unspecified, second trimester, fetus 4 | ✓ |
| O41.92X4 | Disorder of amniotic fluid and membranes, unspecified, second trimester, fetus 4 | ✓ |
| O41.92X5 | Disorder of amniotic fluid and membranes, unspecified, second trimester, fetus 5 | ✓ |
| O41.92X5 | Disorder of amniotic fluid and membranes, unspecified, second trimester, fetus 5 | ✓ |
| O41.92X9 | Disorder of amniotic fluid and membranes, unspecified, second trimester, other fetus | ✓ |
| O41.92X9 | Disorder of amniotic fluid and membranes, unspecified, second trimester, other fetus | ✓ |
| O41.93 | Disorder of amniotic fluid and membranes, unspecified, third trimester | — |
| O41.93 | Disorder of amniotic fluid and membranes, unspecified, third trimester | — |
| O41.93X0 | Disorder of amniotic fluid and membranes, unspecified, third trimester, not applicable or unspecified | ✓ |
| O41.93X0 | Disorder of amniotic fluid and membranes, unspecified, third trimester, not applicable or unspecified | ✓ |
| O41.93X1 | Disorder of amniotic fluid and membranes, unspecified, third trimester, fetus 1 | ✓ |
| O41.93X1 | Disorder of amniotic fluid and membranes, unspecified, third trimester, fetus 1 | ✓ |
| O41.93X2 | Disorder of amniotic fluid and membranes, unspecified, third trimester, fetus 2 | ✓ |
| O41.93X2 | Disorder of amniotic fluid and membranes, unspecified, third trimester, fetus 2 | ✓ |
| O41.93X3 | Disorder of amniotic fluid and membranes, unspecified, third trimester, fetus 3 | ✓ |
| O41.93X3 | Disorder of amniotic fluid and membranes, unspecified, third trimester, fetus 3 | ✓ |
| O41.93X4 | Disorder of amniotic fluid and membranes, unspecified, third trimester, fetus 4 | ✓ |
| O41.93X4 | Disorder of amniotic fluid and membranes, unspecified, third trimester, fetus 4 | ✓ |
| O41.93X5 | Disorder of amniotic fluid and membranes, unspecified, third trimester, fetus 5 | ✓ |
| O41.93X5 | Disorder of amniotic fluid and membranes, unspecified, third trimester, fetus 5 | ✓ |
| O41.93X9 | Disorder of amniotic fluid and membranes, unspecified, third trimester, other fetus | ✓ |
| O41.93X9 | Disorder of amniotic fluid and membranes, unspecified, third trimester, other fetus | ✓ |
| O41.101 | Infection of amniotic sac and membranes, unspecified, first trimester | — |
| O41.101 | Infection of amniotic sac and membranes, unspecified, first trimester | — |
| O41.102 | Infection of amniotic sac and membranes, unspecified, second trimester | — |
| O41.102 | Infection of amniotic sac and membranes, unspecified, second trimester | — |
| O41.103 | Infection of amniotic sac and membranes, unspecified, third trimester | — |
| O41.103 | Infection of amniotic sac and membranes, unspecified, third trimester | — |
| O41.109 | Infection of amniotic sac and membranes, unspecified, unspecified trimester | — |
| O41.109 | Infection of amniotic sac and membranes, unspecified, unspecified trimester | — |
| O41.121 | Chorioamnionitis, first trimester | — |
| O41.121 | Chorioamnionitis, first trimester | — |
| O41.122 | Chorioamnionitis, second trimester | — |
| O41.122 | Chorioamnionitis, second trimester | — |
| O41.123 | Chorioamnionitis, third trimester | — |
| O41.123 | Chorioamnionitis, third trimester | — |
| O41.129 | Chorioamnionitis, unspecified trimester | — |
| O41.129 | Chorioamnionitis, unspecified trimester | — |
| O41.141 | Placentitis, first trimester | — |
| O41.141 | Placentitis, first trimester | — |
| O41.142 | Placentitis, second trimester | — |
| O41.142 | Placentitis, second trimester | — |
| O41.143 | Placentitis, third trimester | — |
| O41.143 | Placentitis, third trimester | — |
| O41.149 | Placentitis, unspecified trimester | — |
| O41.149 | Placentitis, unspecified trimester | — |
| O41.1010 | Infection of amniotic sac and membranes, unspecified, first trimester, not applicable or unspecified | ✓ |
| O41.1010 | Infection of amniotic sac and membranes, unspecified, first trimester, not applicable or unspecified | ✓ |
| O41.1011 | Infection of amniotic sac and membranes, unspecified, first trimester, fetus 1 | ✓ |
| O41.1011 | Infection of amniotic sac and membranes, unspecified, first trimester, fetus 1 | ✓ |
| O41.1012 | Infection of amniotic sac and membranes, unspecified, first trimester, fetus 2 | ✓ |
| O41.1012 | Infection of amniotic sac and membranes, unspecified, first trimester, fetus 2 | ✓ |
| O41.1013 | Infection of amniotic sac and membranes, unspecified, first trimester, fetus 3 | ✓ |
| O41.1013 | Infection of amniotic sac and membranes, unspecified, first trimester, fetus 3 | ✓ |
| O41.1014 | Infection of amniotic sac and membranes, unspecified, first trimester, fetus 4 | ✓ |
| O41.1014 | Infection of amniotic sac and membranes, unspecified, first trimester, fetus 4 | ✓ |
| O41.1015 | Infection of amniotic sac and membranes, unspecified, first trimester, fetus 5 | ✓ |
| O41.1015 | Infection of amniotic sac and membranes, unspecified, first trimester, fetus 5 | ✓ |
| O41.1019 | Infection of amniotic sac and membranes, unspecified, first trimester, other fetus | ✓ |
| O41.1019 | Infection of amniotic sac and membranes, unspecified, first trimester, other fetus | ✓ |
| O41.1020 | Infection of amniotic sac and membranes, unspecified, second trimester, not applicable or unspecified | ✓ |
| O41.1020 | Infection of amniotic sac and membranes, unspecified, second trimester, not applicable or unspecified | ✓ |
| O41.1021 | Infection of amniotic sac and membranes, unspecified, second trimester, fetus 1 | ✓ |
| O41.1021 | Infection of amniotic sac and membranes, unspecified, second trimester, fetus 1 | ✓ |
| O41.1022 | Infection of amniotic sac and membranes, unspecified, second trimester, fetus 2 | ✓ |
| O41.1022 | Infection of amniotic sac and membranes, unspecified, second trimester, fetus 2 | ✓ |
| O41.1023 | Infection of amniotic sac and membranes, unspecified, second trimester, fetus 3 | ✓ |
| O41.1023 | Infection of amniotic sac and membranes, unspecified, second trimester, fetus 3 | ✓ |
| O41.1024 | Infection of amniotic sac and membranes, unspecified, second trimester, fetus 4 | ✓ |
| O41.1024 | Infection of amniotic sac and membranes, unspecified, second trimester, fetus 4 | ✓ |
| O41.1025 | Infection of amniotic sac and membranes, unspecified, second trimester, fetus 5 | ✓ |
| O41.1025 | Infection of amniotic sac and membranes, unspecified, second trimester, fetus 5 | ✓ |
| O41.1029 | Infection of amniotic sac and membranes, unspecified, second trimester, other fetus | ✓ |
| O41.1029 | Infection of amniotic sac and membranes, unspecified, second trimester, other fetus | ✓ |
| O41.1030 | Infection of amniotic sac and membranes, unspecified, third trimester, not applicable or unspecified | ✓ |
| O41.1030 | Infection of amniotic sac and membranes, unspecified, third trimester, not applicable or unspecified | ✓ |
| O41.1031 | Infection of amniotic sac and membranes, unspecified, third trimester, fetus 1 | ✓ |
| O41.1031 | Infection of amniotic sac and membranes, unspecified, third trimester, fetus 1 | ✓ |
| O41.1032 | Infection of amniotic sac and membranes, unspecified, third trimester, fetus 2 | ✓ |
| O41.1032 | Infection of amniotic sac and membranes, unspecified, third trimester, fetus 2 | ✓ |
| O41.1033 | Infection of amniotic sac and membranes, unspecified, third trimester, fetus 3 | ✓ |
| O41.1033 | Infection of amniotic sac and membranes, unspecified, third trimester, fetus 3 | ✓ |
| O41.1034 | Infection of amniotic sac and membranes, unspecified, third trimester, fetus 4 | ✓ |
| O41.1034 | Infection of amniotic sac and membranes, unspecified, third trimester, fetus 4 | ✓ |
| O41.1035 | Infection of amniotic sac and membranes, unspecified, third trimester, fetus 5 | ✓ |
| O41.1035 | Infection of amniotic sac and membranes, unspecified, third trimester, fetus 5 | ✓ |
| O41.1039 | Infection of amniotic sac and membranes, unspecified, third trimester, other fetus | ✓ |
| O41.1039 | Infection of amniotic sac and membranes, unspecified, third trimester, other fetus | ✓ |
| O41.1090 | Infection of amniotic sac and membranes, unspecified, unspecified trimester, not applicable or unspecified | ✓ |
| O41.1090 | Infection of amniotic sac and membranes, unspecified, unspecified trimester, not applicable or unspecified | ✓ |
| O41.1091 | Infection of amniotic sac and membranes, unspecified, unspecified trimester, fetus 1 | ✓ |
| O41.1091 | Infection of amniotic sac and membranes, unspecified, unspecified trimester, fetus 1 | ✓ |
| O41.1092 | Infection of amniotic sac and membranes, unspecified, unspecified trimester, fetus 2 | ✓ |
| O41.1092 | Infection of amniotic sac and membranes, unspecified, unspecified trimester, fetus 2 | ✓ |
| O41.1093 | Infection of amniotic sac and membranes, unspecified, unspecified trimester, fetus 3 | ✓ |
| O41.1093 | Infection of amniotic sac and membranes, unspecified, unspecified trimester, fetus 3 | ✓ |
| O41.1094 | Infection of amniotic sac and membranes, unspecified, unspecified trimester, fetus 4 | ✓ |
| O41.1094 | Infection of amniotic sac and membranes, unspecified, unspecified trimester, fetus 4 | ✓ |
| O41.1095 | Infection of amniotic sac and membranes, unspecified, unspecified trimester, fetus 5 | ✓ |
| O41.1095 | Infection of amniotic sac and membranes, unspecified, unspecified trimester, fetus 5 | ✓ |
| O41.1099 | Infection of amniotic sac and membranes, unspecified, unspecified trimester, other fetus | ✓ |
| O41.1099 | Infection of amniotic sac and membranes, unspecified, unspecified trimester, other fetus | ✓ |
| O41.1210 | Chorioamnionitis, first trimester, not applicable or unspecified | ✓ |
| O41.1210 | Chorioamnionitis, first trimester, not applicable or unspecified | ✓ |
| O41.1211 | Chorioamnionitis, first trimester, fetus 1 | ✓ |
| O41.1211 | Chorioamnionitis, first trimester, fetus 1 | ✓ |
| O41.1212 | Chorioamnionitis, first trimester, fetus 2 | ✓ |
| O41.1212 | Chorioamnionitis, first trimester, fetus 2 | ✓ |
| O41.1213 | Chorioamnionitis, first trimester, fetus 3 | ✓ |
| O41.1213 | Chorioamnionitis, first trimester, fetus 3 | ✓ |
| O41.1214 | Chorioamnionitis, first trimester, fetus 4 | ✓ |
| O41.1214 | Chorioamnionitis, first trimester, fetus 4 | ✓ |
| O41.1215 | Chorioamnionitis, first trimester, fetus 5 | ✓ |
| O41.1215 | Chorioamnionitis, first trimester, fetus 5 | ✓ |
| O41.1219 | Chorioamnionitis, first trimester, other fetus | ✓ |
| O41.1219 | Chorioamnionitis, first trimester, other fetus | ✓ |
| O41.1220 | Chorioamnionitis, second trimester, not applicable or unspecified | ✓ |
| O41.1220 | Chorioamnionitis, second trimester, not applicable or unspecified | ✓ |
| O41.1221 | Chorioamnionitis, second trimester, fetus 1 | ✓ |
| O41.1221 | Chorioamnionitis, second trimester, fetus 1 | ✓ |
| O41.1222 | Chorioamnionitis, second trimester, fetus 2 | ✓ |
| O41.1222 | Chorioamnionitis, second trimester, fetus 2 | ✓ |
| O41.1223 | Chorioamnionitis, second trimester, fetus 3 | ✓ |
| O41.1223 | Chorioamnionitis, second trimester, fetus 3 | ✓ |
| O41.1224 | Chorioamnionitis, second trimester, fetus 4 | ✓ |
| O41.1224 | Chorioamnionitis, second trimester, fetus 4 | ✓ |
| O41.1225 | Chorioamnionitis, second trimester, fetus 5 | ✓ |
| O41.1225 | Chorioamnionitis, second trimester, fetus 5 | ✓ |
| O41.1229 | Chorioamnionitis, second trimester, other fetus | ✓ |
| O41.1229 | Chorioamnionitis, second trimester, other fetus | ✓ |
| O41.1230 | Chorioamnionitis, third trimester, not applicable or unspecified | ✓ |
| O41.1230 | Chorioamnionitis, third trimester, not applicable or unspecified | ✓ |
| O41.1231 | Chorioamnionitis, third trimester, fetus 1 | ✓ |
| O41.1231 | Chorioamnionitis, third trimester, fetus 1 | ✓ |
| O41.1232 | Chorioamnionitis, third trimester, fetus 2 | ✓ |
| O41.1232 | Chorioamnionitis, third trimester, fetus 2 | ✓ |
| O41.1233 | Chorioamnionitis, third trimester, fetus 3 | ✓ |
| O41.1233 | Chorioamnionitis, third trimester, fetus 3 | ✓ |
| O41.1234 | Chorioamnionitis, third trimester, fetus 4 | ✓ |
| O41.1234 | Chorioamnionitis, third trimester, fetus 4 | ✓ |
| O41.1235 | Chorioamnionitis, third trimester, fetus 5 | ✓ |
| O41.1235 | Chorioamnionitis, third trimester, fetus 5 | ✓ |
| O41.1239 | Chorioamnionitis, third trimester, other fetus | ✓ |
| O41.1239 | Chorioamnionitis, third trimester, other fetus | ✓ |
| O41.1290 | Chorioamnionitis, unspecified trimester, not applicable or unspecified | ✓ |
| O41.1290 | Chorioamnionitis, unspecified trimester, not applicable or unspecified | ✓ |
| O41.1291 | Chorioamnionitis, unspecified trimester, fetus 1 | ✓ |
| O41.1291 | Chorioamnionitis, unspecified trimester, fetus 1 | ✓ |
| O41.1292 | Chorioamnionitis, unspecified trimester, fetus 2 | ✓ |
| O41.1292 | Chorioamnionitis, unspecified trimester, fetus 2 | ✓ |
| O41.1293 | Chorioamnionitis, unspecified trimester, fetus 3 | ✓ |
| O41.1293 | Chorioamnionitis, unspecified trimester, fetus 3 | ✓ |
| O41.1294 | Chorioamnionitis, unspecified trimester, fetus 4 | ✓ |
| O41.1294 | Chorioamnionitis, unspecified trimester, fetus 4 | ✓ |
| O41.1295 | Chorioamnionitis, unspecified trimester, fetus 5 | ✓ |
| O41.1295 | Chorioamnionitis, unspecified trimester, fetus 5 | ✓ |
| O41.1299 | Chorioamnionitis, unspecified trimester, other fetus | ✓ |
| O41.1299 | Chorioamnionitis, unspecified trimester, other fetus | ✓ |
| O41.1410 | Placentitis, first trimester, not applicable or unspecified | ✓ |
| O41.1410 | Placentitis, first trimester, not applicable or unspecified | ✓ |
| O41.1411 | Placentitis, first trimester, fetus 1 | ✓ |
| O41.1411 | Placentitis, first trimester, fetus 1 | ✓ |
| O41.1412 | Placentitis, first trimester, fetus 2 | ✓ |
| O41.1412 | Placentitis, first trimester, fetus 2 | ✓ |
| O41.1413 | Placentitis, first trimester, fetus 3 | ✓ |
| O41.1413 | Placentitis, first trimester, fetus 3 | ✓ |
| O41.1414 | Placentitis, first trimester, fetus 4 | ✓ |
| O41.1414 | Placentitis, first trimester, fetus 4 | ✓ |
| O41.1415 | Placentitis, first trimester, fetus 5 | ✓ |
| O41.1415 | Placentitis, first trimester, fetus 5 | ✓ |
| O41.1419 | Placentitis, first trimester, other fetus | ✓ |
| O41.1419 | Placentitis, first trimester, other fetus | ✓ |
| O41.1420 | Placentitis, second trimester, not applicable or unspecified | ✓ |
| O41.1420 | Placentitis, second trimester, not applicable or unspecified | ✓ |
| O41.1421 | Placentitis, second trimester, fetus 1 | ✓ |
| O41.1421 | Placentitis, second trimester, fetus 1 | ✓ |
| O41.1422 | Placentitis, second trimester, fetus 2 | ✓ |
| O41.1422 | Placentitis, second trimester, fetus 2 | ✓ |
| O41.1423 | Placentitis, second trimester, fetus 3 | ✓ |
| O41.1423 | Placentitis, second trimester, fetus 3 | ✓ |
| O41.1424 | Placentitis, second trimester, fetus 4 | ✓ |
| O41.1424 | Placentitis, second trimester, fetus 4 | ✓ |
| O41.1425 | Placentitis, second trimester, fetus 5 | ✓ |
| O41.1425 | Placentitis, second trimester, fetus 5 | ✓ |
| O41.1429 | Placentitis, second trimester, other fetus | ✓ |
| O41.1429 | Placentitis, second trimester, other fetus | ✓ |
| O41.1430 | Placentitis, third trimester, not applicable or unspecified | ✓ |
| O41.1430 | Placentitis, third trimester, not applicable or unspecified | ✓ |
| O41.1431 | Placentitis, third trimester, fetus 1 | ✓ |
| O41.1431 | Placentitis, third trimester, fetus 1 | ✓ |
| O41.1432 | Placentitis, third trimester, fetus 2 | ✓ |
| O41.1432 | Placentitis, third trimester, fetus 2 | ✓ |
| O41.1433 | Placentitis, third trimester, fetus 3 | ✓ |
| O41.1433 | Placentitis, third trimester, fetus 3 | ✓ |
| O41.1434 | Placentitis, third trimester, fetus 4 | ✓ |
| O41.1434 | Placentitis, third trimester, fetus 4 | ✓ |
| O41.1435 | Placentitis, third trimester, fetus 5 | ✓ |
| O41.1435 | Placentitis, third trimester, fetus 5 | ✓ |
| O41.1439 | Placentitis, third trimester, other fetus | ✓ |
| O41.1439 | Placentitis, third trimester, other fetus | ✓ |
| O41.1490 | Placentitis, unspecified trimester, not applicable or unspecified | ✓ |
| O41.1490 | Placentitis, unspecified trimester, not applicable or unspecified | ✓ |
| O41.1491 | Placentitis, unspecified trimester, fetus 1 | ✓ |
| O41.1491 | Placentitis, unspecified trimester, fetus 1 | ✓ |
| O41.1492 | Placentitis, unspecified trimester, fetus 2 | ✓ |
| O41.1492 | Placentitis, unspecified trimester, fetus 2 | ✓ |
| O41.1493 | Placentitis, unspecified trimester, fetus 3 | ✓ |
| O41.1493 | Placentitis, unspecified trimester, fetus 3 | ✓ |
| O41.1494 | Placentitis, unspecified trimester, fetus 4 | ✓ |
| O41.1494 | Placentitis, unspecified trimester, fetus 4 | ✓ |
| O41.1495 | Placentitis, unspecified trimester, fetus 5 | ✓ |
| O41.1495 | Placentitis, unspecified trimester, fetus 5 | ✓ |
| O41.1499 | Placentitis, unspecified trimester, other fetus | ✓ |
| O41.1499 | Placentitis, unspecified trimester, other fetus | ✓ |
Frequently asked questions
What is ICD-10-CM code O41?
O41 is an ICD-10-CM category covering Other disorders of amniotic fluid and membranes. It contains 400 more specific diagnosis codes, 336 of which are billable.
Is O41 a billable code?
No — O41 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example O41.0 — Oligohydramnios). 336 of the 400 codes under O41 are billable.
What codes fall under O41?
O41 includes O41.0, O41.0, O41.00, O41.00, O41.00X0, plus 395 more. See the full list with descriptions and billable status above.
More free billing tools: all ICD-10 categories · ICD-10 search · denial codes · Medicare fees
Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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