O30.001 | Twin pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, first trimester | BILLABLE CODE |
O30.002 | Twin pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, second trimester | BILLABLE CODE |
O30.003 | Twin pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, third trimester | BILLABLE CODE |
O30.009 | Twin pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, unspecified trimester | BILLABLE CODE |