O30.04 - Twin pregnancy, dichorionic/diamniotic O30.0 - Twin pregnancy O30.04 - Twin pregnancy, dichorionic/diamniotic
O30.041 - Twin pregnancy, dichorionic/diamniotic, first trimester O30.042 - Twin pregnancy, dichorionic/diamniotic, second trimester O30.043 - Twin pregnancy, dichorionic/diamniotic, third trimester O30.049 - Twin pregnancy, dichorionic/diamniotic, unspecified trimester