| O30 | Multiple gestation |
| O30.0 | Twin pregnancy |
| O30.00 | Twin pregnancy, unspecified number of placenta and unspecified number of amniotic sacs |
| O30.001 | Twin pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, first trimester |
| O30.002 | Twin pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, second trimester |
| O30.003 | Twin pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, third trimester |
| O30.009 | Twin pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, unspecified trimester |
| O30.01 | Twin pregnancy, monochorionic/monoamniotic |
| O30.011 | Twin pregnancy, monochorionic/monoamniotic, first trimester |
| O30.012 | Twin pregnancy, monochorionic/monoamniotic, second trimester |
| O30.013 | Twin pregnancy, monochorionic/monoamniotic, third trimester |
| O30.019 | Twin pregnancy, monochorionic/monoamniotic, unspecified trimester |
| O30.02 | Conjoined twin pregnancy |
| O30.021 | Conjoined twin pregnancy, first trimester |
| O30.022 | Conjoined twin pregnancy, second trimester |
| O30.023 | Conjoined twin pregnancy, third trimester |
| O30.029 | Conjoined twin pregnancy, unspecified trimester |
| O30.03 | Twin pregnancy, monochorionic/diamniotic |
| O30.031 | Twin pregnancy, monochorionic/diamniotic, first trimester |
| O30.032 | Twin pregnancy, monochorionic/diamniotic, second trimester |
| O30.033 | Twin pregnancy, monochorionic/diamniotic, third trimester |
| O30.039 | Twin pregnancy, monochorionic/diamniotic, unspecified trimester |
| 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 |
| O30.09 | Twin pregnancy, unable to determine number of placenta and number of amniotic sacs |
| O30.091 | Twin pregnancy, unable to determine number of placenta and number of amniotic sacs, first trimester |
| O30.092 | Twin pregnancy, unable to determine number of placenta and number of amniotic sacs, second trimester |
| O30.093 | Twin pregnancy, unable to determine number of placenta and number of amniotic sacs, third trimester |
| O30.099 | Twin pregnancy, unable to determine number of placenta and number of amniotic sacs, unspecified trimester |
| O30.1 | Triplet pregnancy |
| O30.10 | Triplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs |
| O30.101 | Triplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, first trimester |
| O30.102 | Triplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, second trimester |
| O30.103 | Triplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, third trimester |
| O30.109 | Triplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, unspecified trimester |
| O30.11 | Triplet pregnancy with two or more monochorionic fetuses |
| O30.111 | Triplet pregnancy with two or more monochorionic fetuses, first trimester |
| O30.112 | Triplet pregnancy with two or more monochorionic fetuses, second trimester |
| O30.113 | Triplet pregnancy with two or more monochorionic fetuses, third trimester |
| O30.119 | Triplet pregnancy with two or more monochorionic fetuses, unspecified trimester |
| O30.12 | Triplet pregnancy with two or more monoamniotic fetuses |
| O30.121 | Triplet pregnancy with two or more monoamniotic fetuses, first trimester |
| O30.122 | Triplet pregnancy with two or more monoamniotic fetuses, second trimester |
| O30.123 | Triplet pregnancy with two or more monoamniotic fetuses, third trimester |
| O30.129 | Triplet pregnancy with two or more monoamniotic fetuses, unspecified trimester |
| O30.13 | Triplet pregnancy, trichorionic/triamniotic |
| O30.131 | Triplet pregnancy, trichorionic/triamniotic, first trimester |
| O30.132 | Triplet pregnancy, trichorionic/triamniotic, second trimester |
| O30.133 | Triplet pregnancy, trichorionic/triamniotic, third trimester |
| O30.139 | Triplet pregnancy, trichorionic/triamniotic, unspecified trimester |
| O30.19 | Triplet pregnancy, unable to determine number of placenta and number of amniotic sacs |
| O30.191 | Triplet pregnancy, unable to determine number of placenta and number of amniotic sacs, first trimester |
| O30.192 | Triplet pregnancy, unable to determine number of placenta and number of amniotic sacs, second trimester |
| O30.193 | Triplet pregnancy, unable to determine number of placenta and number of amniotic sacs, third trimester |
| O30.199 | Triplet pregnancy, unable to determine number of placenta and number of amniotic sacs, unspecified trimester |
| O30.2 | Quadruplet pregnancy |
| O30.20 | Quadruplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs |
| O30.201 | Quadruplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, first trimester |
| O30.202 | Quadruplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, second trimester |
| O30.203 | Quadruplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, third trimester |
| O30.209 | Quadruplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, unspecified trimester |
| O30.21 | Quadruplet pregnancy with two or more monochorionic fetuses |
| O30.211 | Quadruplet pregnancy with two or more monochorionic fetuses, first trimester |
| O30.212 | Quadruplet pregnancy with two or more monochorionic fetuses, second trimester |
| O30.213 | Quadruplet pregnancy with two or more monochorionic fetuses, third trimester |
| O30.219 | Quadruplet pregnancy with two or more monochorionic fetuses, unspecified trimester |
| O30.22 | Quadruplet pregnancy with two or more monoamniotic fetuses |
| O30.221 | Quadruplet pregnancy with two or more monoamniotic fetuses, first trimester |
| O30.222 | Quadruplet pregnancy with two or more monoamniotic fetuses, second trimester |
| O30.223 | Quadruplet pregnancy with two or more monoamniotic fetuses, third trimester |
| O30.229 | Quadruplet pregnancy with two or more monoamniotic fetuses, unspecified trimester |
| O30.23 | Quadruplet pregnancy, quadrachorionic/quadra-amniotic |
| O30.231 | Quadruplet pregnancy, quadrachorionic/quadra-amniotic, first trimester |
| O30.232 | Quadruplet pregnancy, quadrachorionic/quadra-amniotic, second trimester |
| O30.233 | Quadruplet pregnancy, quadrachorionic/quadra-amniotic, third trimester |
| O30.239 | Quadruplet pregnancy, quadrachorionic/quadra-amniotic, unspecified trimester |
| O30.29 | Quadruplet pregnancy, unable to determine number of placenta and number of amniotic sacs |
| O30.291 | Quadruplet pregnancy, unable to determine number of placenta and number of amniotic sacs, first trimester |
| O30.292 | Quadruplet pregnancy, unable to determine number of placenta and number of amniotic sacs, second trimester |
| O30.293 | Quadruplet pregnancy, unable to determine number of placenta and number of amniotic sacs, third trimester |
| O30.299 | Quadruplet pregnancy, unable to determine number of placenta and number of amniotic sacs, unspecified trimester |
| O30.8 | Other specified multiple gestation |
| O30.80 | Other specified multiple gestation, unspecified number of placenta and unspecified number of amniotic sacs |
| O30.801 | Other specified multiple gestation, unspecified number of placenta and unspecified number of amniotic sacs, first trimester |
| O30.802 | Other specified multiple gestation, unspecified number of placenta and unspecified number of amniotic sacs, second trimester |
| O30.803 | Other specified multiple gestation, unspecified number of placenta and unspecified number of amniotic sacs, third trimester |
| O30.809 | Other specified multiple gestation, unspecified number of placenta and unspecified number of amniotic sacs, unspecified trimester |
| O30.81 | Other specified multiple gestation with two or more monochorionic fetuses |
| O30.811 | Other specified multiple gestation with two or more monochorionic fetuses, first trimester |
| O30.812 | Other specified multiple gestation with two or more monochorionic fetuses, second trimester |
| O30.813 | Other specified multiple gestation with two or more monochorionic fetuses, third trimester |
| O30.819 | Other specified multiple gestation with two or more monochorionic fetuses, unspecified trimester |
| O30.82 | Other specified multiple gestation with two or more monoamniotic fetuses |
| O30.821 | Other specified multiple gestation with two or more monoamniotic fetuses, first trimester |
| O30.822 | Other specified multiple gestation with two or more monoamniotic fetuses, second trimester |
| O30.823 | Other specified multiple gestation with two or more monoamniotic fetuses, third trimester |
| O30.829 | Other specified multiple gestation with two or more monoamniotic fetuses, unspecified trimester |
| O30.83 | Other specified multiple gestation, number of chorions and amnions are both equal to the number of fetuses |
| O30.831 | Other specified multiple gestation, number of chorions and amnions are both equal to the number of fetuses, first trimester |
| O30.832 | Other specified multiple gestation, number of chorions and amnions are both equal to the number of fetuses, second trimester |
| O30.833 | Other specified multiple gestation, number of chorions and amnions are both equal to the number of fetuses, third trimester |
| O30.839 | Other specified multiple gestation, number of chorions and amnions are both equal to the number of fetuses, unspecified trimester |
| O30.89 | Other specified multiple gestation, unable to determine number of placenta and number of amniotic sacs |
| O30.891 | Other specified multiple gestation, unable to determine number of placenta and number of amniotic sacs, first trimester |
| O30.892 | Other specified multiple gestation, unable to determine number of placenta and number of amniotic sacs, second trimester |
| O30.893 | Other specified multiple gestation, unable to determine number of placenta and number of amniotic sacs, third trimester |
| O30.899 | Other specified multiple gestation, unable to determine number of placenta and number of amniotic sacs, unspecified trimester |
| O30.9 | Multiple gestation, unspecified |
| O30.90 | Multiple gestation, unspecified, unspecified trimester |
| O30.91 | Multiple gestation, unspecified, first trimester |
| O30.92 | Multiple gestation, unspecified, second trimester |
| O30.93 | Multiple gestation, unspecified, third trimester |
| O31 | Complications specific to multiple gestation |
| O31.0 | Papyraceous fetus |
| O31.00 | Papyraceous fetus, unspecified trimester |
| O31.01 | Papyraceous fetus, first trimester |
| O31.02 | Papyraceous fetus, second trimester |
| O31.03 | Papyraceous fetus, third trimester |
| O31.1 | Continuing pregnancy after spontaneous abortion of one fetus or more |
| O31.10 | Continuing pregnancy after spontaneous abortion of one fetus or more, unspecified trimester |
| O31.11 | Continuing pregnancy after spontaneous abortion of one fetus or more, first trimester |
| O31.12 | Continuing pregnancy after spontaneous abortion of one fetus or more, second trimester |
| O31.13 | Continuing pregnancy after spontaneous abortion of one fetus or more, third trimester |
| O31.2 | Continuing pregnancy after intrauterine death of one fetus or more |
| O31.20 | Continuing pregnancy after intrauterine death of one fetus or more, unspecified trimester |
| O31.21 | Continuing pregnancy after intrauterine death of one fetus or more, first trimester |
| O31.22 | Continuing pregnancy after intrauterine death of one fetus or more, second trimester |
| O31.23 | Continuing pregnancy after intrauterine death of one fetus or more, third trimester |
| O31.3 | Continuing pregnancy after elective fetal reduction of one fetus or more |
| O31.30 | Continuing pregnancy after elective fetal reduction of one fetus or more, unspecified trimester |
| O31.31 | Continuing pregnancy after elective fetal reduction of one fetus or more, first trimester |
| O31.32 | Continuing pregnancy after elective fetal reduction of one fetus or more, second trimester |
| O31.33 | Continuing pregnancy after elective fetal reduction of one fetus or more, third trimester |
| O31.8 | Other complications specific to multiple gestation |
| O32 | Maternal care for malpresentation of fetus |
| O32.0 | Maternal care for unstable lie |
| O32.1 | Maternal care for breech presentation |
| O32.2 | Maternal care for transverse and oblique lie |
| O32.3 | Maternal care for face, brow and chin presentation |
| O32.4 | Maternal care for high head at term |
| O32.6 | Maternal care for compound presentation |
| O32.8 | Maternal care for other malpresentation of fetus |
| O32.9 | Maternal care for malpresentation of fetus, unspecified |
| O33 | Maternal care for disproportion |
| O33.0 | Maternal care for disproportion due to deformity of maternal pelvic bones |
| O33.1 | Maternal care for disproportion due to generally contracted pelvis |
| O33.2 | Maternal care for disproportion due to inlet contraction of pelvis |
| O33.3 | Maternal care for disproportion due to outlet contraction of pelvis |
| O33.4 | Maternal care for disproportion of mixed maternal and fetal origin |
| O33.5 | Maternal care for disproportion due to unusually large fetus |
| O33.6 | Maternal care for disproportion due to hydrocephalic fetus |
| O33.7 | Maternal care for disproportion due to other fetal deformities |
| O33.8 | Maternal care for disproportion of other origin |
| O33.9 | Maternal care for disproportion, unspecified |
| O34 | Maternal care for abnormality of pelvic organs |
| O34.0 | Maternal care for congenital malformation of uterus |
| O34.00 | Maternal care for unspecified congenital malformation of uterus, unspecified trimester |
| O34.01 | Maternal care for unspecified congenital malformation of uterus, first trimester |
| O34.02 | Maternal care for unspecified congenital malformation of uterus, second trimester |
| O34.03 | Maternal care for unspecified congenital malformation of uterus, third trimester |
| O34.1 | Maternal care for benign tumor of corpus uteri |
| O34.10 | Maternal care for benign tumor of corpus uteri, unspecified trimester |
| O34.11 | Maternal care for benign tumor of corpus uteri, first trimester |
| O34.12 | Maternal care for benign tumor of corpus uteri, second trimester |
| O34.13 | Maternal care for benign tumor of corpus uteri, third trimester |
| O34.2 | Maternal care due to uterine scar from previous surgery |
| O34.21 | Maternal care for scar from previous cesarean delivery |
| O34.211 | Maternal care for low transverse scar from previous cesarean delivery |
| O34.212 | Maternal care for vertical scar from previous cesarean delivery |
| O34.218 | Maternal care for other type scar from previous cesarean delivery |
| O34.219 | Maternal care for unspecified type scar from previous cesarean delivery |
| O34.22 | Maternal care for cesarean scar defect (isthmocele) |
| O34.29 | Maternal care due to uterine scar from other previous surgery |
| O34.3 | Maternal care for cervical incompetence |
| O34.30 | Maternal care for cervical incompetence, unspecified trimester |
| O34.31 | Maternal care for cervical incompetence, first trimester |
| O34.32 | Maternal care for cervical incompetence, second trimester |
| O34.33 | Maternal care for cervical incompetence, third trimester |
| O34.4 | Maternal care for other abnormalities of cervix |
| O34.40 | Maternal care for other abnormalities of cervix, unspecified trimester |
| O34.41 | Maternal care for other abnormalities of cervix, first trimester |
| O34.42 | Maternal care for other abnormalities of cervix, second trimester |
| O34.43 | Maternal care for other abnormalities of cervix, third trimester |
| O34.5 | Maternal care for other abnormalities of gravid uterus |
| O34.51 | Maternal care for incarceration of gravid uterus |
| O34.511 | Maternal care for incarceration of gravid uterus, first trimester |
| O34.512 | Maternal care for incarceration of gravid uterus, second trimester |
| O34.513 | Maternal care for incarceration of gravid uterus, third trimester |
| O34.519 | Maternal care for incarceration of gravid uterus, unspecified trimester |
| O34.52 | Maternal care for prolapse of gravid uterus |
| O34.521 | Maternal care for prolapse of gravid uterus, first trimester |
| O34.522 | Maternal care for prolapse of gravid uterus, second trimester |
| O34.523 | Maternal care for prolapse of gravid uterus, third trimester |
| O34.529 | Maternal care for prolapse of gravid uterus, unspecified trimester |
| O34.53 | Maternal care for retroversion of gravid uterus |
| O34.531 | Maternal care for retroversion of gravid uterus, first trimester |
| O34.532 | Maternal care for retroversion of gravid uterus, second trimester |
| O34.533 | Maternal care for retroversion of gravid uterus, third trimester |
| O34.539 | Maternal care for retroversion of gravid uterus, unspecified trimester |
| O34.59 | Maternal care for other abnormalities of gravid uterus |
| O34.591 | Maternal care for other abnormalities of gravid uterus, first trimester |
| O34.592 | Maternal care for other abnormalities of gravid uterus, second trimester |
| O34.593 | Maternal care for other abnormalities of gravid uterus, third trimester |
| O34.599 | Maternal care for other abnormalities of gravid uterus, unspecified trimester |
| O34.6 | Maternal care for abnormality of vagina |
| O34.60 | Maternal care for abnormality of vagina, unspecified trimester |
| O34.61 | Maternal care for abnormality of vagina, first trimester |
| O34.62 | Maternal care for abnormality of vagina, second trimester |
| O34.63 | Maternal care for abnormality of vagina, third trimester |
| O34.7 | Maternal care for abnormality of vulva and perineum |
| O34.70 | Maternal care for abnormality of vulva and perineum, unspecified trimester |
| O34.71 | Maternal care for abnormality of vulva and perineum, first trimester |
| O34.72 | Maternal care for abnormality of vulva and perineum, second trimester |
| O34.73 | Maternal care for abnormality of vulva and perineum, third trimester |
| O34.8 | Maternal care for other abnormalities of pelvic organs |
| O34.80 | Maternal care for other abnormalities of pelvic organs, unspecified trimester |
| O34.81 | Maternal care for other abnormalities of pelvic organs, first trimester |
| O34.82 | Maternal care for other abnormalities of pelvic organs, second trimester |
| O34.83 | Maternal care for other abnormalities of pelvic organs, third trimester |
| O34.9 | Maternal care for abnormality of pelvic organ, unspecified |
| O34.90 | Maternal care for abnormality of pelvic organ, unspecified, unspecified trimester |
| O34.91 | Maternal care for abnormality of pelvic organ, unspecified, first trimester |
| O34.92 | Maternal care for abnormality of pelvic organ, unspecified, second trimester |
| O34.93 | Maternal care for abnormality of pelvic organ, unspecified, third trimester |
| O35 | Maternal care for known or suspected fetal abnormality and damage |
| O35.0 | Maternal care for (suspected) central nervous system malformation in fetus |
| O35.00 | Maternal care for (suspected) central nervous system malformation or damage in fetus, unspecified |
| O35.01 | Maternal care for (suspected) central nervous system malformation or damage in fetus, agenesis of the corpus callosum |
| O35.02 | Maternal care for (suspected) central nervous system malformation or damage in fetus, anencephaly |
| O35.03 | Maternal care for (suspected) central nervous system malformation or damage in fetus, choroid plexus cysts |
| O35.04 | Maternal care for (suspected) central nervous system malformation or damage in fetus, encephalocele |
| O35.05 | Maternal care for (suspected) central nervous system malformation or damage in fetus, holoprosencephaly |
| O35.06 | Maternal care for (suspected) central nervous system malformation or damage in fetus, hydrocephaly |
| O35.07 | Maternal care for (suspected) central nervous system malformation or damage in fetus, microcephaly |
| O35.08 | Maternal care for (suspected) central nervous system malformation or damage in fetus, spina bifida |
| O35.09 | Maternal care for (suspected) other central nervous system malformation or damage in fetus |
| O35.1 | Maternal care for (suspected) chromosomal abnormality in fetus |
| O35.10 | Maternal care for (suspected) chromosomal abnormality in fetus, unspecified |
| O35.11 | Maternal care for (suspected) chromosomal abnormality in fetus, Trisomy 13 |
| O35.12 | Maternal care for (suspected) chromosomal abnormality in fetus, Trisomy 18 |
| O35.13 | Maternal care for (suspected) chromosomal abnormality in fetus, Trisomy 21 |
| O35.14 | Maternal care for (suspected) chromosomal abnormality in fetus, Turner Syndrome |
| O35.15 | Maternal care for (suspected) chromosomal abnormality in fetus, sex chromosome abnormality |
| O35.19 | Maternal care for (suspected) chromosomal abnormality in fetus, other chromosomal abnormality |
| O35.2 | Maternal care for (suspected) hereditary disease in fetus |
| O35.3 | Maternal care for (suspected) damage to fetus from viral disease in mother |
| O35.4 | Maternal care for (suspected) damage to fetus from alcohol |
| O35.5 | Maternal care for (suspected) damage to fetus by drugs |
| O35.6 | Maternal care for (suspected) damage to fetus by radiation |
| O35.7 | Maternal care for (suspected) damage to fetus by other medical procedures |
| O35.8 | Maternal care for other (suspected) fetal abnormality and damage |
| O35.9 | Maternal care for (suspected) fetal abnormality and damage, unspecified |
| O36 | Maternal care for other fetal problems |
| O36.0 | Maternal care for rhesus isoimmunization |
| O36.01 | Maternal care for anti-D [Rh] antibodies |
| O36.011 | Maternal care for anti-D [Rh] antibodies, first trimester |
| O36.012 | Maternal care for anti-D [Rh] antibodies, second trimester |
| O36.013 | Maternal care for anti-D [Rh] antibodies, third trimester |
| O36.019 | Maternal care for anti-D [Rh] antibodies, unspecified trimester |
| O36.09 | Maternal care for other rhesus isoimmunization |
| O36.091 | Maternal care for other rhesus isoimmunization, first trimester |
| O36.092 | Maternal care for other rhesus isoimmunization, second trimester |
| O36.093 | Maternal care for other rhesus isoimmunization, third trimester |
| O36.099 | Maternal care for other rhesus isoimmunization, unspecified trimester |
| O36.1 | Maternal care for other isoimmunization |
| O36.11 | Maternal care for Anti-A sensitization |
| O36.111 | Maternal care for Anti-A sensitization, first trimester |
| O36.112 | Maternal care for Anti-A sensitization, second trimester |
| O36.113 | Maternal care for Anti-A sensitization, third trimester |
| O36.119 | Maternal care for Anti-A sensitization, unspecified trimester |
| O36.19 | Maternal care for other isoimmunization |
| O36.191 | Maternal care for other isoimmunization, first trimester |
| O36.192 | Maternal care for other isoimmunization, second trimester |
| O36.193 | Maternal care for other isoimmunization, third trimester |
| O36.199 | Maternal care for other isoimmunization, unspecified trimester |
| O36.2 | Maternal care for hydrops fetalis |
| O36.20 | Maternal care for hydrops fetalis, unspecified trimester |
| O36.21 | Maternal care for hydrops fetalis, first trimester |
| O36.22 | Maternal care for hydrops fetalis, second trimester |
| O36.23 | Maternal care for hydrops fetalis, third trimester |
| O36.4 | Maternal care for intrauterine death |
| O36.5 | Maternal care for known or suspected poor fetal growth |
| O36.51 | Maternal care for known or suspected placental insufficiency |
| O36.511 | Maternal care for known or suspected placental insufficiency, first trimester |
| O36.512 | Maternal care for known or suspected placental insufficiency, second trimester |
| O36.513 | Maternal care for known or suspected placental insufficiency, third trimester |
| O36.519 | Maternal care for known or suspected placental insufficiency, unspecified trimester |
| O36.59 | Maternal care for other known or suspected poor fetal growth |
| O36.591 | Maternal care for other known or suspected poor fetal growth, first trimester |
| O36.592 | Maternal care for other known or suspected poor fetal growth, second trimester |
| O36.593 | Maternal care for other known or suspected poor fetal growth, third trimester |
| O36.599 | Maternal care for other known or suspected poor fetal growth, unspecified trimester |
| O36.6 | Maternal care for excessive fetal growth |
| O36.60 | Maternal care for excessive fetal growth, unspecified trimester |
| O36.61 | Maternal care for excessive fetal growth, first trimester |
| O36.62 | Maternal care for excessive fetal growth, second trimester |
| O36.63 | Maternal care for excessive fetal growth, third trimester |
| O36.7 | Maternal care for viable fetus in abdominal pregnancy |
| O36.70 | Maternal care for viable fetus in abdominal pregnancy, unspecified trimester |
| O36.71 | Maternal care for viable fetus in abdominal pregnancy, first trimester |
| O36.72 | Maternal care for viable fetus in abdominal pregnancy, second trimester |
| O36.73 | Maternal care for viable fetus in abdominal pregnancy, third trimester |
| O36.8 | Maternal care for other specified fetal problems |
| O36.80 | Pregnancy with inconclusive fetal viability |
| O36.81 | Decreased fetal movements |
| O36.812 | Decreased fetal movements, second trimester |
| O36.813 | Decreased fetal movements, third trimester |
| O36.819 | Decreased fetal movements, unspecified trimester |
| O36.82 | Fetal anemia and thrombocytopenia |
| O36.821 | Fetal anemia and thrombocytopenia, first trimester |
| O36.822 | Fetal anemia and thrombocytopenia, second trimester |
| O36.823 | Fetal anemia and thrombocytopenia, third trimester |
| O36.829 | Fetal anemia and thrombocytopenia, unspecified trimester |
| O36.83 | Maternal care for abnormalities of the fetal heart rate or rhythm |
| O36.831 | Maternal care for abnormalities of the fetal heart rate or rhythm, first trimester |
| O36.832 | Maternal care for abnormalities of the fetal heart rate or rhythm, second trimester |
| O36.833 | Maternal care for abnormalities of the fetal heart rate or rhythm, third trimester |
| O36.839 | Maternal care for abnormalities of the fetal heart rate or rhythm, unspecified trimester |
| O36.89 | Maternal care for other specified fetal problems |
| O36.891 | Maternal care for other specified fetal problems, first trimester |
| O36.892 | Maternal care for other specified fetal problems, second trimester |
| O36.893 | Maternal care for other specified fetal problems, third trimester |
| O36.899 | Maternal care for other specified fetal problems, unspecified trimester |
| O36.9 | Maternal care for fetal problem, unspecified |
| O36.90 | Maternal care for fetal problem, unspecified, unspecified trimester |
| O36.91 | Maternal care for fetal problem, unspecified, first trimester |
| O36.92 | Maternal care for fetal problem, unspecified, second trimester |
| O36.93 | Maternal care for fetal problem, unspecified, third trimester |