O30.09

Twin pregnancy, unable to determine number of placenta and number of amniotic sacs, first trimester

Twin pregnancy, unable to determine number of placenta and number of amniotic sacs, second trimester

Twin pregnancy, unable to determine number of placenta and number of amniotic sacs, third trimester

Twin pregnancy, unable to determine number of placenta and number of amniotic sacs, unspecified trimester

Twin pregnancy, unspecified number of placenta and unspecified number of amniotic sacs

Twin pregnancy, monochorionic/monoamniotic

Conjoined twin pregnancy

Twin pregnancy, monochorionic/diamniotic

Twin pregnancy, dichorionic/diamniotic