- Codes Description
- O30.121
Triplet pregnancy with two or more monoamniotic fetuses, first trimester
- O30.122
Triplet pregnancy with two or more monoamniotic fetuses, second trimester
- O30.123
Triplet pregnancy with two or more monoamniotic fetuses, third trimester
- O30.129
Triplet pregnancy with two or more monoamniotic fetuses, unspecified trimester