O30.8 - Other specified multiple gestation
O30.89 - Other specified multiple gestation, unable to determine number of placenta and number of amniotic sacs
O30.891 - Other specified multiple gestation, unable to determine number of placenta and number of amniotic sacs, first trimester
O30.892 - Other specified multiple gestation, unable to determine number of placenta and number of amniotic sacs, second trimester
O30.893 - Other specified multiple gestation, unable to determine number of placenta and number of amniotic sacs, third trimester
O30.899 - Other specified multiple gestation, unable to determine number of placenta and number of amniotic sacs, unspecified trimester