O30.2 - Quadruplet pregnancy
O30.29 - Quadruplet pregnancy, unable to determine number of placenta and number of amniotic sacs
O30.291 - Quadruplet pregnancy, unable to determine number of placenta and number of amniotic sacs, first trimester
O30.292 - Quadruplet pregnancy, unable to determine number of placenta and number of amniotic sacs, second trimester
O30.293 - Quadruplet pregnancy, unable to determine number of placenta and number of amniotic sacs, third trimester
O30.299 - Quadruplet pregnancy, unable to determine number of placenta and number of amniotic sacs, unspecified trimester