O30.22 Quadruplet pregnancy with two or more monoamniotic fetusesNon-billable header with 4 child codes.
O30.221 Quadruplet pregnancy with two or more monoamniotic fetuses, first trimesterO30.222 Quadruplet pregnancy with two or more monoamniotic fetuses, second trimesterO30.223 Quadruplet pregnancy with two or more monoamniotic fetuses, third trimesterO30.229 Quadruplet pregnancy with two or more monoamniotic fetuses, unspecified trimesterO30.21 Quadruplet pregnancy with two or more monochorionic fetusesO30.211 Quadruplet pregnancy with two or more monochorionic fetuses, first trimesterO30.212 Quadruplet pregnancy with two or more monochorionic fetuses, second trimesterO30.213 Quadruplet pregnancy with two or more monochorionic fetuses, third trimesterO30.219 Quadruplet pregnancy with two or more monochorionic fetuses, unspecified trimesterO30.22 Quadruplet pregnancy with two or more monoamniotic fetuses (this code)O30.221 Quadruplet pregnancy with two or more monoamniotic fetuses, first trimesterO30.222 Quadruplet pregnancy with two or more monoamniotic fetuses, second trimesterO30.223 Quadruplet pregnancy with two or more monoamniotic fetuses, third trimesterO30.229 Quadruplet pregnancy with two or more monoamniotic fetuses, unspecified trimesterO30.23 Quadruplet pregnancy, quadrachorionic/quadra-amniotic