O30.23 Quadruplet pregnancy, quadrachorionic/quadra-amnioticNon-billable header with 4 child codes.
O30.231 Quadruplet pregnancy, quadrachorionic/quadra-amniotic, first trimesterO30.232 Quadruplet pregnancy, quadrachorionic/quadra-amniotic, second trimesterO30.233 Quadruplet pregnancy, quadrachorionic/quadra-amniotic, third trimesterO30.239 Quadruplet pregnancy, quadrachorionic/quadra-amniotic, unspecified trimesterO30.22 Quadruplet pregnancy with two or more monoamniotic fetusesO30.221 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 (this code)O30.231 Quadruplet pregnancy, quadrachorionic/quadra-amniotic, first trimesterO30.232 Quadruplet pregnancy, quadrachorionic/quadra-amniotic, second trimesterO30.233 Quadruplet pregnancy, quadrachorionic/quadra-amniotic, third trimesterO30.239 Quadruplet pregnancy, quadrachorionic/quadra-amniotic, unspecified trimesterO30.29 Quadruplet pregnancy, unable to determine number of placenta and number of amniotic sacs