Gestation (period) - see also Pregnancy

ectopic NEC (see also Pregnancy, ectopic) 633.90

with intrauterine pregnancy 633.91

multiple

placenta status

quadruplet

two or more monoamniotic fetuses V91.22

two or more monochorionic fetuses V91.21

unable to determine number of placenta and number of amniotic sacs V91.29

unspecified number of placenta and unspecified number of amniotic sacs V91.20

specified (greater than quadruplets) NEC

two or more monoamniotic fetuses V91.92

two or more monochorionic fetuses V91.91

unable to determine number of placenta and number of amniotic sacs V91.99

unspecified number of placenta and unspecified number of amniotic sacs V91.90

triplet

two or more monoamniotic fetuses V91.12

two or more monochorionic fetuses V91.11

unable to determine number of placenta and number of amniotic sacs V91.19

unspecified number of placenta, unspecified number of amniotic sacs V91.10

twin

dichorionic/diamniotic (two placentae, two amniotic sacs) V91.03

monochorionic/diamniotic (one placenta, two amniotic sacs) V91.02

monochorionic/monoamniotic (one placenta, one amniotic sac) V91.01

unable to determine number of placenta and number of amniotic sacs V91.09

unspecified number of placenta, unspecified number of amniotic sacs V91.00