O30.12 Triplet pregnancy with two or more monoamniotic fetusesNon-billable header with 4 child codes.
O30.121 Triplet pregnancy with two or more monoamniotic fetuses, first trimesterO30.122 Triplet pregnancy with two or more monoamniotic fetuses, second trimesterO30.123 Triplet pregnancy with two or more monoamniotic fetuses, third trimesterO30.129 Triplet pregnancy with two or more monoamniotic fetuses, unspecified trimesterO30.11 Triplet pregnancy with two or more monochorionic fetusesO30.111 Triplet pregnancy with two or more monochorionic fetuses, first trimesterO30.112 Triplet pregnancy with two or more monochorionic fetuses, second trimesterO30.113 Triplet pregnancy with two or more monochorionic fetuses, third trimesterO30.119 Triplet pregnancy with two or more monochorionic fetuses, unspecified trimesterO30.12 Triplet pregnancy with two or more monoamniotic fetuses (this code)O30.121 Triplet pregnancy with two or more monoamniotic fetuses, first trimesterO30.122 Triplet pregnancy with two or more monoamniotic fetuses, second trimesterO30.123 Triplet pregnancy with two or more monoamniotic fetuses, third trimesterO30.129 Triplet pregnancy with two or more monoamniotic fetuses, unspecified trimesterO30.13 Triplet pregnancy, trichorionic/triamniotic