O30.13 Triplet pregnancy, trichorionic/triamnioticNon-billable header with 4 child codes.
O30.131 Triplet pregnancy, trichorionic/triamniotic, first trimesterO30.132 Triplet pregnancy, trichorionic/triamniotic, second trimesterO30.133 Triplet pregnancy, trichorionic/triamniotic, third trimesterO30.139 Triplet pregnancy, trichorionic/triamniotic, unspecified trimesterO30.12 Triplet pregnancy with two or more monoamniotic fetusesO30.121 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 (this code)O30.131 Triplet pregnancy, trichorionic/triamniotic, first trimesterO30.132 Triplet pregnancy, trichorionic/triamniotic, second trimesterO30.133 Triplet pregnancy, trichorionic/triamniotic, third trimesterO30.139 Triplet pregnancy, trichorionic/triamniotic, unspecified trimesterO30.19 Triplet pregnancy, unable to determine number of placenta and number of amniotic sacs