Pregnancy (single) (uterine), complicated by (care of) (management affected by), multiple gestations

O30.9-
conjoined twinsO30.02-
specified number of multiples NECSee Pregnancy, multiple (gestation), specified NEC
quadrupletSee Pregnancy, quadruplet
specified complication NECO31.8X-
tripletSee Pregnancy, triplet
twinSee Pregnancy, twin