Maternal care related to the fetus and amniotic cavity and possible delivery problems (O30-O48)
O30Multiple gestation
Code Also: any complications specific to multiple gestation
O30.0Twin pregnancy
O30.00Twin pregnancy, unspecified number of placenta and unspecified number of amniotic sacs
O30.001Twin pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, first trimester
O30.002Twin pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, second trimester
O30.003Twin pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, third trimester
O30.009Twin pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, unspecified trimester
O30.01Twin pregnancy, monochorionic/monoamniotic
› Twin pregnancy, one placenta, one amniotic sac
Excludes 1: conjoined twins (O30.02-)
O30.011Twin pregnancy, monochorionic/monoamniotic, first trimester
O30.012Twin pregnancy, monochorionic/monoamniotic, second trimester
O30.013Twin pregnancy, monochorionic/monoamniotic, third trimester
O30.019Twin pregnancy, monochorionic/monoamniotic, unspecified trimester
O30.02Conjoined twin pregnancy
O30.021Conjoined twin pregnancy, first trimester
O30.022Conjoined twin pregnancy, second trimester
O30.023Conjoined twin pregnancy, third trimester
O30.029Conjoined twin pregnancy, unspecified trimester
O30.03Twin pregnancy, monochorionic/diamniotic
› Twin pregnancy, one placenta, two amniotic sacs
O30.031Twin pregnancy, monochorionic/diamniotic, first trimester
O30.032Twin pregnancy, monochorionic/diamniotic, second trimester
O30.033Twin pregnancy, monochorionic/diamniotic, third trimester
O30.039Twin pregnancy, monochorionic/diamniotic, unspecified trimester
O30.04Twin pregnancy, dichorionic/diamniotic
› Twin pregnancy, two placentae, two amniotic sacs
O30.041Twin pregnancy, dichorionic/diamniotic, first trimester
O30.042Twin pregnancy, dichorionic/diamniotic, second trimester
O30.043Twin pregnancy, dichorionic/diamniotic, third trimester
O30.049Twin pregnancy, dichorionic/diamniotic, unspecified trimester
O30.09Twin pregnancy, unable to determine number of placenta and number of amniotic sacs
O30.091Twin pregnancy, unable to determine number of placenta and number of amniotic sacs, first trimester
O30.092Twin pregnancy, unable to determine number of placenta and number of amniotic sacs, second trimester
O30.093Twin pregnancy, unable to determine number of placenta and number of amniotic sacs, third trimester
O30.099Twin pregnancy, unable to determine number of placenta and number of amniotic sacs, unspecified trimester
O30.1Triplet pregnancy
O30.10Triplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs
O30.101Triplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, first trimester
O30.102Triplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, second trimester
O30.103Triplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, third trimester
O30.109Triplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, unspecified trimester
O30.11Triplet pregnancy with two or more monochorionic fetuses
O30.111Triplet pregnancy with two or more monochorionic fetuses, first trimester
O30.112Triplet pregnancy with two or more monochorionic fetuses, second trimester
O30.113Triplet pregnancy with two or more monochorionic fetuses, third trimester
O30.119Triplet pregnancy with two or more monochorionic fetuses, unspecified trimester
O30.12Triplet pregnancy with two or more monoamniotic fetuses
O30.121Triplet pregnancy with two or more monoamniotic fetuses, first trimester
O30.122Triplet pregnancy with two or more monoamniotic fetuses, second trimester
O30.123Triplet pregnancy with two or more monoamniotic fetuses, third trimester
O30.129Triplet pregnancy with two or more monoamniotic fetuses, unspecified trimester
O30.13Triplet pregnancy, trichorionic/triamniotic
O30.131Triplet pregnancy, trichorionic/triamniotic, first trimester
O30.132Triplet pregnancy, trichorionic/triamniotic, second trimester
O30.133Triplet pregnancy, trichorionic/triamniotic, third trimester
O30.139Triplet pregnancy, trichorionic/triamniotic, unspecified trimester
O30.19Triplet pregnancy, unable to determine number of placenta and number of amniotic sacs
O30.191Triplet pregnancy, unable to determine number of placenta and number of amniotic sacs, first trimester
O30.192Triplet pregnancy, unable to determine number of placenta and number of amniotic sacs, second trimester
O30.193Triplet pregnancy, unable to determine number of placenta and number of amniotic sacs, third trimester
O30.199Triplet pregnancy, unable to determine number of placenta and number of amniotic sacs, unspecified trimester
O30.2Quadruplet pregnancy
O30.20Quadruplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs
O30.201Quadruplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, first trimester
O30.202Quadruplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, second trimester
O30.203Quadruplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, third trimester
O30.209Quadruplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, unspecified trimester
O30.21Quadruplet pregnancy with two or more monochorionic fetuses
O30.211Quadruplet pregnancy with two or more monochorionic fetuses, first trimester
O30.212Quadruplet pregnancy with two or more monochorionic fetuses, second trimester
O30.213Quadruplet pregnancy with two or more monochorionic fetuses, third trimester
O30.219Quadruplet pregnancy with two or more monochorionic fetuses, unspecified trimester
O30.22Quadruplet pregnancy with two or more monoamniotic fetuses
O30.221Quadruplet pregnancy with two or more monoamniotic fetuses, first trimester
O30.222Quadruplet pregnancy with two or more monoamniotic fetuses, second trimester
O30.223Quadruplet pregnancy with two or more monoamniotic fetuses, third trimester
O30.229Quadruplet pregnancy with two or more monoamniotic fetuses, unspecified trimester
O30.23Quadruplet pregnancy, quadrachorionic/quadra-amniotic
O30.231Quadruplet pregnancy, quadrachorionic/quadra-amniotic, first trimester
O30.232Quadruplet pregnancy, quadrachorionic/quadra-amniotic, second trimester
O30.233Quadruplet pregnancy, quadrachorionic/quadra-amniotic, third trimester
O30.239Quadruplet pregnancy, quadrachorionic/quadra-amniotic, unspecified trimester
O30.29Quadruplet pregnancy, unable to determine number of placenta and number of amniotic sacs
O30.291Quadruplet pregnancy, unable to determine number of placenta and number of amniotic sacs, first trimester
O30.292Quadruplet pregnancy, unable to determine number of placenta and number of amniotic sacs, second trimester
O30.293Quadruplet pregnancy, unable to determine number of placenta and number of amniotic sacs, third trimester
O30.299Quadruplet pregnancy, unable to determine number of placenta and number of amniotic sacs, unspecified trimester
O30.8Other specified multiple gestation
› Multiple gestation pregnancy greater then quadruplets
O30.80Other specified multiple gestation, unspecified number of placenta and unspecified number of amniotic sacs
O30.801Other specified multiple gestation, unspecified number of placenta and unspecified number of amniotic sacs, first trimester
O30.802Other specified multiple gestation, unspecified number of placenta and unspecified number of amniotic sacs, second trimester
O30.803Other specified multiple gestation, unspecified number of placenta and unspecified number of amniotic sacs, third trimester
O30.809Other specified multiple gestation, unspecified number of placenta and unspecified number of amniotic sacs, unspecified trimester
O30.81Other specified multiple gestation with two or more monochorionic fetuses
O30.811Other specified multiple gestation with two or more monochorionic fetuses, first trimester
O30.812Other specified multiple gestation with two or more monochorionic fetuses, second trimester
O30.813Other specified multiple gestation with two or more monochorionic fetuses, third trimester
O30.819Other specified multiple gestation with two or more monochorionic fetuses, unspecified trimester
O30.82Other specified multiple gestation with two or more monoamniotic fetuses
O30.821Other specified multiple gestation with two or more monoamniotic fetuses, first trimester
O30.822Other specified multiple gestation with two or more monoamniotic fetuses, second trimester
O30.823Other specified multiple gestation with two or more monoamniotic fetuses, third trimester
O30.829Other specified multiple gestation with two or more monoamniotic fetuses, unspecified trimester
O30.83Other specified multiple gestation, number of chorions and amnions are both equal to the number of fetuses
› Pentachorionic, penta-amniotic pregnancy (quintuplets)
› Hexachorionic, hexa-amniotic pregnancy (sextuplets)
› Heptachorionic, hepta-amniotic pregnancy (septuplets)
O30.831Other specified multiple gestation, number of chorions and amnions are both equal to the number of fetuses, first trimester
O30.832Other specified multiple gestation, number of chorions and amnions are both equal to the number of fetuses, second trimester
O30.833Other specified multiple gestation, number of chorions and amnions are both equal to the number of fetuses, third trimester
O30.839Other specified multiple gestation, number of chorions and amnions are both equal to the number of fetuses, unspecified trimester
O30.89Other specified multiple gestation, unable to determine number of placenta and number of amniotic sacs
O30.891Other specified multiple gestation, unable to determine number of placenta and number of amniotic sacs, first trimester
O30.892Other specified multiple gestation, unable to determine number of placenta and number of amniotic sacs, second trimester
O30.893Other specified multiple gestation, unable to determine number of placenta and number of amniotic sacs, third trimester
O30.899Other specified multiple gestation, unable to determine number of placenta and number of amniotic sacs, unspecified trimester
O30.9Multiple gestation, unspecified
› Multiple pregnancy NOS
O30.90Multiple gestation, unspecified, unspecified trimester
O30.91Multiple gestation, unspecified, first trimester
O30.92Multiple gestation, unspecified, second trimester
O30.93Multiple gestation, unspecified, third trimester
O31Complications specific to multiple gestation
Excludes 2: delayed delivery of second twin, triplet, etc. (O63.2)
› malpresentation of one fetus or more (O32.9)
› placental transfusion syndromes (O43.0-)
One of the following 7th characters is to be assigned to each code under category O31. 7th character 0 is for single gestations and multiple gestations where the fetus is unspecified. 7th characters 1 through 9 are for cases of multiple gestations to identify the fetus for which the code applies. The appropriate code from category O30, Multiple gestation, must also be assigned when assigning a code from category O31 that has a 7th character of 1 through 9.
7th Character: 0 :: not applicable or unspecified
› 1 :: fetus 1
› 2 :: fetus 2
› 3 :: fetus 3
› 4 :: fetus 4
› 5 :: fetus 5
› 9 :: other fetus
O31.0Papyraceous fetus
› Fetus compressus
O31.00Papyraceous fetus, unspecified trimester
O31.01Papyraceous fetus, first trimester
O31.02Papyraceous fetus, second trimester
O31.03Papyraceous fetus, third trimester
O31.1Continuing pregnancy after spontaneous abortion of one fetus or more
O31.10Continuing pregnancy after spontaneous abortion of one fetus or more, unspecified trimester
O31.11Continuing pregnancy after spontaneous abortion of one fetus or more, first trimester
O31.12Continuing pregnancy after spontaneous abortion of one fetus or more, second trimester
O31.13Continuing pregnancy after spontaneous abortion of one fetus or more, third trimester
O31.2Continuing pregnancy after intrauterine death of one fetus or more
O31.20Continuing pregnancy after intrauterine death of one fetus or more, unspecified trimester
O31.21Continuing pregnancy after intrauterine death of one fetus or more, first trimester
O31.22Continuing pregnancy after intrauterine death of one fetus or more, second trimester
O31.23Continuing pregnancy after intrauterine death of one fetus or more, third trimester
O31.3Continuing pregnancy after elective fetal reduction of one fetus or more
› Continuing pregnancy after selective termination of one fetus or more
O31.30Continuing pregnancy after elective fetal reduction of one fetus or more, unspecified trimester
O31.31Continuing pregnancy after elective fetal reduction of one fetus or more, first trimester
O31.32Continuing pregnancy after elective fetal reduction of one fetus or more, second trimester
O31.33Continuing pregnancy after elective fetal reduction of one fetus or more, third trimester
O31.8Other complications specific to multiple gestation
O31.8XOther complications specific to multiple gestation
O31.8X1Other complications specific to multiple gestation, first trimester
O31.8X2Other complications specific to multiple gestation, second trimester
O31.8X3Other complications specific to multiple gestation, third trimester
O31.8X9Other complications specific to multiple gestation, unspecified trimester
O32Maternal care for malpresentation of fetus
Includes: the listed conditions as a reason for observation, hospitalization or other obstetric care of the mother, or for cesarean delivery before onset of labor
Excludes 1: malpresentation of fetus with obstructed labor (O64.-)
One of the following 7th characters is to be assigned to each code under category O32. 7th character 0 is for single gestations and multiple gestations where the fetus is unspecified. 7th characters 1 through 9 are for cases of multiple gestations to identify the fetus for which the code applies. The appropriate code from category O30, Multiple gestation, must also be assigned when assigning a code from category O32 that has a 7th character of 1 through 9.
7th Character: 0 :: not applicable or unspecified
› 1 :: fetus 1
› 2 :: fetus 2
› 3 :: fetus 3
› 4 :: fetus 4
› 5 :: fetus 5
› 9 :: other fetus
O32.0Maternal care for unstable lie
O32.1Maternal care for breech presentation
› Maternal care for buttocks presentation
› Maternal care for complete breech
› Maternal care for frank breech
Excludes 1: footling presentation (O32.8)
› incomplete breech (O32.8)
O32.2Maternal care for transverse and oblique lie
› Maternal care for oblique presentation
› Maternal care for transverse presentation
O32.3Maternal care for face, brow and chin presentation
O32.4Maternal care for high head at term
› Maternal care for failure of head to enter pelvic brim
O32.6Maternal care for compound presentation
O32.8Maternal care for other malpresentation of fetus
› Maternal care for footling presentation
› Maternal care for incomplete breech
O32.9Maternal care for malpresentation of fetus, unspecified
O33Maternal care for disproportion
Includes: the listed conditions as a reason for observation, hospitalization or other obstetric care of the mother, or for cesarean delivery before onset of labor
Excludes 1: disproportion with obstructed labor (O65-O66)
O33.0Maternal care for disproportion due to deformity of maternal pelvic bones
› Maternal care for disproportion due to pelvic deformity causing disproportion NOS
O33.1Maternal care for disproportion due to generally contracted pelvis
› Maternal care for disproportion due to contracted pelvis NOS causing disproportion
O33.2Maternal care for disproportion due to inlet contraction of pelvis
› Maternal care for disproportion due to inlet contraction (pelvis) causing disproportion
O33.3Maternal care for disproportion due to outlet contraction of pelvis
› Maternal care for disproportion due to mid-cavity contraction (pelvis)
› Maternal care for disproportion due to outlet contraction (pelvis)
One of the following 7th characters is to be assigned to code O33.3. 7th character 0 is for single gestations and multiple gestations where the fetus is unspecified. 7th characters 1 through 9 are for cases of multiple gestations to identify the fetus for which the code applies. The appropriate code from category O30, Multiple gestation, must also be assigned when assigning code O33.3 with a 7th character of 1 through 9.
7th Character: 0 :: not applicable or unspecified
› 1 :: fetus 1
› 2 :: fetus 2
› 3 :: fetus 3
› 4 :: fetus 4
› 5 :: fetus 5
› 9 :: other fetus
O33.4Maternal care for disproportion of mixed maternal and fetal origin
One of the following 7th characters is to be assigned to code O33.4. 7th character 0 is for single gestations and multiple gestations where the fetus is unspecified. 7th characters 1 through 9 are for cases of multiple gestations to identify the fetus for which the code applies. The appropriate code from category O30, Multiple gestation, must also be assigned when assigning code O33.4 with a 7th character of 1 through 9.
7th Character: 0 :: not applicable or unspecified
› 1 :: fetus 1
› 2 :: fetus 2
› 3 :: fetus 3
› 4 :: fetus 4
› 5 :: fetus 5
› 9 :: other fetus
O33.5Maternal care for disproportion due to unusually large fetus
› Maternal care for disproportion due to disproportion of fetal origin with normally formed fetus
› Maternal care for disproportion due to fetal disproportion NOS
One of the following 7th characters is to be assigned to code O33.5. 7th character 0 is for single gestations and multiple gestations where the fetus is unspecified. 7th characters 1 through 9 are for cases of multiple gestations to identify the fetus for which the code applies. The appropriate code from category O30, Multiple gestation, must also be assigned when assigning code O33.5 with a 7th character of 1 through 9.
7th Character: 0 :: not applicable or unspecified
› 1 :: fetus 1
› 2 :: fetus 2
› 3 :: fetus 3
› 4 :: fetus 4
› 5 :: fetus 5
› 9 :: other fetus
O33.6Maternal care for disproportion due to hydrocephalic fetus
One of the following 7th characters is to be assigned to code O33.6. 7th character 0 is for single gestations and multiple gestations where the fetus is unspecified. 7th characters 1 through 9 are for cases of multiple gestations to identify the fetus for which the code applies. The appropriate code from category O30, Multiple gestation, must also be assigned when assigning code O33.6 with a 7th character of 1 through 9.
7th Character: 0 :: not applicable or unspecified
› 1 :: fetus 1
› 2 :: fetus 2
› 3 :: fetus 3
› 4 :: fetus 4
› 5 :: fetus 5
› 9 :: other fetus
O33.7Maternal care for disproportion due to other fetal deformities
› Maternal care for disproportion due to fetal ascites
› Maternal care for disproportion due to fetal hydrops
› Maternal care for disproportion due to fetal meningomyelocele
› Maternal care for disproportion due to fetal sacral teratoma
› Maternal care for disproportion due to fetal tumor
One of the following 7th characters is to be assigned to code O33.7. 7th character 0 is for single gestations and multiple gestations where the fetus is unspecified. 7th characters 1 through 9 are for cases of multiple gestations to identify the fetus for which the code applies. The appropriate code from category O30, Multiple gestation, must also be assigned when assigning code O33.7 with a 7th character of 1 through 9.
7th Character: 0 :: not applicable or unspecified
› 1 :: fetus 1
› 2 :: fetus 2
› 3 :: fetus 3
› 4 :: fetus 4
› 5 :: fetus 5
› 9 :: other fetus
Excludes 1: obstructed labor due to other fetal deformities (O66.3)
O33.8Maternal care for disproportion of other origin
O33.9Maternal care for disproportion, unspecified
› Maternal care for disproportion due to cephalopelvic disproportion NOS
› Maternal care for disproportion due to fetopelvic disproportion NOS
O34Maternal care for abnormality of pelvic organs
Includes: the listed conditions as a reason for hospitalization or other obstetric care of the mother, or for cesarean delivery before onset of labor
Code First: any associated obstructed labor (O65.5)
Use Additional Code: code for specific condition
O34.0Maternal care for congenital malformation of uterus
› Maternal care for double uterus
› Maternal care for uterus bicornis
O34.00Maternal care for unspecified congenital malformation of uterus, unspecified trimester
O34.01Maternal care for unspecified congenital malformation of uterus, first trimester
O34.02Maternal care for unspecified congenital malformation of uterus, second trimester
O34.03Maternal care for unspecified congenital malformation of uterus, third trimester
O34.1Maternal care for benign tumor of corpus uteri
Excludes 2: maternal care for benign tumor of cervix (O34.4-)
› maternal care for malignant neoplasm of uterus (O9A.1-)
O34.10Maternal care for benign tumor of corpus uteri, unspecified trimester
O34.11Maternal care for benign tumor of corpus uteri, first trimester
O34.12Maternal care for benign tumor of corpus uteri, second trimester
O34.13Maternal care for benign tumor of corpus uteri, third trimester
O34.2Maternal care due to uterine scar from previous surgery
O34.21Maternal care for scar from previous cesarean delivery
O34.211Maternal care for low transverse scar from previous cesarean delivery
O34.212Maternal care for vertical scar from previous cesarean delivery
› Maternal care for classical scar from previous cesarean delivery
O34.218Maternal care for other type scar from previous cesarean delivery
› Mid-transverse T incision
O34.219Maternal care for unspecified type scar from previous cesarean delivery
O34.22Maternal care for cesarean scar defect (isthmocele)
O34.29Maternal care due to uterine scar from other previous surgery
› Maternal care due to uterine scar from other transmural uterine incision
O34.3Maternal care for cervical incompetence
› Maternal care for cerclage with or without cervical incompetence
› Maternal care for Shirodkar suture with or without cervical incompetence
O34.30Maternal care for cervical incompetence, unspecified trimester
O34.31Maternal care for cervical incompetence, first trimester
O34.32Maternal care for cervical incompetence, second trimester
O34.33Maternal care for cervical incompetence, third trimester
O34.4Maternal care for other abnormalities of cervix
O34.40Maternal care for other abnormalities of cervix, unspecified trimester
O34.41Maternal care for other abnormalities of cervix, first trimester
O34.42Maternal care for other abnormalities of cervix, second trimester
O34.43Maternal care for other abnormalities of cervix, third trimester
O34.5Maternal care for other abnormalities of gravid uterus
O34.51Maternal care for incarceration of gravid uterus
O34.511Maternal care for incarceration of gravid uterus, first trimester
O34.512Maternal care for incarceration of gravid uterus, second trimester
O34.513Maternal care for incarceration of gravid uterus, third trimester
O34.519Maternal care for incarceration of gravid uterus, unspecified trimester
O34.52Maternal care for prolapse of gravid uterus
O34.521Maternal care for prolapse of gravid uterus, first trimester
O34.522Maternal care for prolapse of gravid uterus, second trimester
O34.523Maternal care for prolapse of gravid uterus, third trimester
O34.529Maternal care for prolapse of gravid uterus, unspecified trimester
O34.53Maternal care for retroversion of gravid uterus
O34.531Maternal care for retroversion of gravid uterus, first trimester
O34.532Maternal care for retroversion of gravid uterus, second trimester
O34.533Maternal care for retroversion of gravid uterus, third trimester
O34.539Maternal care for retroversion of gravid uterus, unspecified trimester
O34.59Maternal care for other abnormalities of gravid uterus
O34.591Maternal care for other abnormalities of gravid uterus, first trimester
O34.592Maternal care for other abnormalities of gravid uterus, second trimester
O34.593Maternal care for other abnormalities of gravid uterus, third trimester
O34.599Maternal care for other abnormalities of gravid uterus, unspecified trimester
O34.6Maternal care for abnormality of vagina
Excludes 2: maternal care for vaginal varices in pregnancy (O22.1-)
O34.60Maternal care for abnormality of vagina, unspecified trimester
O34.61Maternal care for abnormality of vagina, first trimester
O34.62Maternal care for abnormality of vagina, second trimester
O34.63Maternal care for abnormality of vagina, third trimester
O34.7Maternal care for abnormality of vulva and perineum
Excludes 2: maternal care for perineal and vulval varices in pregnancy (O22.1-)
O34.70Maternal care for abnormality of vulva and perineum, unspecified trimester
O34.71Maternal care for abnormality of vulva and perineum, first trimester
O34.72Maternal care for abnormality of vulva and perineum, second trimester
O34.73Maternal care for abnormality of vulva and perineum, third trimester
O34.8Maternal care for other abnormalities of pelvic organs
O34.80Maternal care for other abnormalities of pelvic organs, unspecified trimester
O34.81Maternal care for other abnormalities of pelvic organs, first trimester
O34.82Maternal care for other abnormalities of pelvic organs, second trimester
O34.83Maternal care for other abnormalities of pelvic organs, third trimester
O34.9Maternal care for abnormality of pelvic organ, unspecified
O34.90Maternal care for abnormality of pelvic organ, unspecified, unspecified trimester
O34.91Maternal care for abnormality of pelvic organ, unspecified, first trimester
O34.92Maternal care for abnormality of pelvic organ, unspecified, second trimester
O34.93Maternal care for abnormality of pelvic organ, unspecified, third trimester
O35Maternal care for known or suspected fetal abnormality and damage
Includes: the listed conditions in the fetus as a reason for hospitalization or other obstetric care to the mother, or for termination of pregnancy
Code Also: any associated maternal condition
Excludes 1: encounter for suspected maternal and fetal conditions ruled out (Z03.7-)
One of the following 7th characters is to be assigned to each code under category O35. 7th character 0 is for single gestations and multiple gestations where the fetus is unspecified. 7th characters 1 through 9 are for cases of multiple gestations to identify the fetus for which the code applies. The appropriate code from category O30, Multiple gestation, must also be assigned when assigning a code from category O35 that has a 7th character of 1 through 9.
7th Character: 0 :: not applicable or unspecified
› 1 :: fetus 1
› 2 :: fetus 2
› 3 :: fetus 3
› 4 :: fetus 4
› 5 :: fetus 5
› 9 :: other fetus
O35.0Maternal care for (suspected) central nervous system malformation in fetus
Excludes 2: chromosomal abnormality in fetus (O35.1-)
O35.00Maternal care for (suspected) central nervous system malformation or damage in fetus, unspecified
O35.01Maternal care for (suspected) central nervous system malformation or damage in fetus, agenesis of the corpus callosum
O35.02Maternal care for (suspected) central nervous system malformation or damage in fetus, anencephaly
O35.03Maternal care for (suspected) central nervous system malformation or damage in fetus, choroid plexus cysts
O35.04Maternal care for (suspected) central nervous system malformation or damage in fetus, encephalocele
O35.05Maternal care for (suspected) central nervous system malformation or damage in fetus, holoprosencephaly
O35.06Maternal care for (suspected) central nervous system malformation or damage in fetus, hydrocephaly
› Maternal care for fetal hydrocephalus
O35.07Maternal care for (suspected) central nervous system malformation or damage in fetus, microcephaly
O35.08Maternal care for (suspected) central nervous system malformation or damage in fetus, spina bifida
O35.09Maternal care for (suspected) other central nervous system malformation or damage in fetus
O35.1Maternal care for (suspected) chromosomal abnormality in fetus
O35.10Maternal care for (suspected) chromosomal abnormality in fetus, unspecified
O35.11Maternal care for (suspected) chromosomal abnormality in fetus, Trisomy 13
O35.12Maternal care for (suspected) chromosomal abnormality in fetus, Trisomy 18
O35.13Maternal care for (suspected) chromosomal abnormality in fetus, Trisomy 21
O35.14Maternal care for (suspected) chromosomal abnormality in fetus, Turner Syndrome
O35.15Maternal care for (suspected) chromosomal abnormality in fetus, sex chromosome abnormality
O35.19Maternal care for (suspected) chromosomal abnormality in fetus, other chromosomal abnormality
O35.AMaternal care for other (suspected) fetal abnormality and damage, fetal facial anomalies
O35.BMaternal care for other (suspected) fetal abnormality and damage, fetal cardiac anomalies
O35.CMaternal care for other (suspected) fetal abnormality and damage, fetal pulmonary anomalies
O35.DMaternal care for other (suspected) fetal abnormality and damage, fetal gastrointestinal anomalies
O35.EMaternal care for other (suspected) fetal abnormality and damage, fetal genitourinary anomalies
O35.FMaternal care for other (suspected) fetal abnormality and damage, fetal musculoskeletal anomalies of trunk
Excludes 2: maternal care for other (suspected) fetal abnormality and damage, fetal lower extremities anomalies (O35.H)
› maternal care for other (suspected) fetal abnormality and damage, fetal upper extremities anomalies (O35.G)
O35.GMaternal care for other (suspected) fetal abnormality and damage, fetal upper extremities anomalies
O35.HMaternal care for other (suspected) fetal abnormality and damage, fetal lower extremities anomalies
O35.2Maternal care for (suspected) hereditary disease in fetus
Excludes 2: chromosomal abnormality in fetus (O35.1-)
O35.3Maternal care for (suspected) damage to fetus from viral disease in mother
› Maternal care for damage to fetus from maternal cytomegalovirus infection
› Maternal care for damage to fetus from maternal rubella
O35.4Maternal care for (suspected) damage to fetus from alcohol
O35.5Maternal care for (suspected) damage to fetus by drugs
› Maternal care for damage to fetus from drug addiction
O35.6Maternal care for (suspected) damage to fetus by radiation
O35.7Maternal care for (suspected) damage to fetus by other medical procedures
› Maternal care for damage to fetus by amniocentesis
› Maternal care for damage to fetus by biopsy procedures
› Maternal care for damage to fetus by hematological investigation
› Maternal care for damage to fetus by intrauterine contraceptive device
› Maternal care for damage to fetus by intrauterine surgery
O35.8Maternal care for other (suspected) fetal abnormality and damage
› Maternal care for damage to fetus from maternal listeriosis
› Maternal care for damage to fetus from maternal toxoplasmosis
O35.9Maternal care for (suspected) fetal abnormality and damage, unspecified
O36Maternal care for other fetal problems
Includes: the listed conditions in the fetus as a reason for hospitalization or other obstetric care of the mother, or for termination of pregnancy
Excludes 1: encounter for suspected maternal and fetal conditions ruled out (Z03.7-)
› placental transfusion syndromes (O43.0-)
Excludes 2: labor and delivery complicated by fetal stress (O77.-)
One of the following 7th characters is to be assigned to each code under category O36. 7th character 0 is for single gestations and multiple gestations where the fetus is unspecified. 7th characters 1 through 9 are for cases of multiple gestations to identify the fetus for which the code applies. The appropriate code from category O30, Multiple gestation, must also be assigned when assigning a code from category O36 that has a 7th character of 1 through 9.
7th Character: 0 :: not applicable or unspecified
› 1 :: fetus 1
› 2 :: fetus 2
› 3 :: fetus 3
› 4 :: fetus 4
› 5 :: fetus 5
› 9 :: other fetus
O36.0Maternal care for rhesus isoimmunization
› Maternal care for Rh incompatibility (with hydrops fetalis)
O36.01Maternal care for anti-D [Rh] antibodies
O36.011Maternal care for anti-D [Rh] antibodies, first trimester
O36.012Maternal care for anti-D [Rh] antibodies, second trimester
O36.013Maternal care for anti-D [Rh] antibodies, third trimester
O36.019Maternal care for anti-D [Rh] antibodies, unspecified trimester
O36.09Maternal care for other rhesus isoimmunization
O36.091Maternal care for other rhesus isoimmunization, first trimester
O36.092Maternal care for other rhesus isoimmunization, second trimester
O36.093Maternal care for other rhesus isoimmunization, third trimester
O36.099Maternal care for other rhesus isoimmunization, unspecified trimester
O36.1Maternal care for other isoimmunization
› Maternal care for ABO isoimmunization
O36.11Maternal care for Anti-A sensitization
› Maternal care for isoimmunization NOS (with hydrops fetalis)
O36.111Maternal care for Anti-A sensitization, first trimester
O36.112Maternal care for Anti-A sensitization, second trimester
O36.113Maternal care for Anti-A sensitization, third trimester
O36.119Maternal care for Anti-A sensitization, unspecified trimester
O36.19Maternal care for other isoimmunization
› Maternal care for Anti-B sensitization
O36.191Maternal care for other isoimmunization, first trimester
O36.192Maternal care for other isoimmunization, second trimester
O36.193Maternal care for other isoimmunization, third trimester
O36.199Maternal care for other isoimmunization, unspecified trimester
O36.2Maternal care for hydrops fetalis
› Maternal care for hydrops fetalis NOS
› Maternal care for hydrops fetalis not associated with isoimmunization
Excludes 1: hydrops fetalis associated with ABO isoimmunization (O36.1-)
› hydrops fetalis associated with rhesus isoimmunization (O36.0-)
O36.20Maternal care for hydrops fetalis, unspecified trimester
O36.21Maternal care for hydrops fetalis, first trimester
O36.22Maternal care for hydrops fetalis, second trimester
O36.23Maternal care for hydrops fetalis, third trimester
O36.4Maternal care for intrauterine death
› Maternal care for intrauterine fetal death NOS
› Maternal care for intrauterine fetal death after completion of 20 weeks of gestation
› Maternal care for late fetal death
› Maternal care for missed delivery
Excludes 1: missed abortion (O02.1)
› stillbirth (P95)
O36.5Maternal care for known or suspected poor fetal growth
O36.51Maternal care for known or suspected placental insufficiency
O36.511Maternal care for known or suspected placental insufficiency, first trimester
O36.512Maternal care for known or suspected placental insufficiency, second trimester
O36.513Maternal care for known or suspected placental insufficiency, third trimester
O36.519Maternal care for known or suspected placental insufficiency, unspecified trimester
O36.59Maternal care for other known or suspected poor fetal growth
› Maternal care for known or suspected light-for-dates NOS
› Maternal care for known or suspected small-for-dates NOS
O36.591Maternal care for other known or suspected poor fetal growth, first trimester
O36.592Maternal care for other known or suspected poor fetal growth, second trimester
O36.593Maternal care for other known or suspected poor fetal growth, third trimester
O36.599Maternal care for other known or suspected poor fetal growth, unspecified trimester
O36.6Maternal care for excessive fetal growth
› Maternal care for known or suspected large-for-dates
O36.60Maternal care for excessive fetal growth, unspecified trimester
O36.61Maternal care for excessive fetal growth, first trimester
O36.62Maternal care for excessive fetal growth, second trimester
O36.63Maternal care for excessive fetal growth, third trimester
O36.7Maternal care for viable fetus in abdominal pregnancy
O36.70Maternal care for viable fetus in abdominal pregnancy, unspecified trimester
O36.71Maternal care for viable fetus in abdominal pregnancy, first trimester
O36.72Maternal care for viable fetus in abdominal pregnancy, second trimester
O36.73Maternal care for viable fetus in abdominal pregnancy, third trimester
O36.8Maternal care for other specified fetal problems
O36.80Pregnancy with inconclusive fetal viability
› Encounter to determine fetal viability of pregnancy
O36.81Decreased fetal movements
O36.812Decreased fetal movements, second trimester
O36.813Decreased fetal movements, third trimester
O36.819Decreased fetal movements, unspecified trimester
O36.82Fetal anemia and thrombocytopenia
O36.821Fetal anemia and thrombocytopenia, first trimester
O36.822Fetal anemia and thrombocytopenia, second trimester
O36.823Fetal anemia and thrombocytopenia, third trimester
O36.829Fetal anemia and thrombocytopenia, unspecified trimester
O36.83Maternal care for abnormalities of the fetal heart rate or rhythm
› Maternal care for depressed fetal heart rate tones
› Maternal care for fetal bradycardia
› Maternal care for fetal heart rate abnormal variability
› Maternal care for fetal heart rate decelerations
› Maternal care for fetal heart rate irregularity
› Maternal care for fetal tachycardia
› Maternal care for non-reassuring fetal heart rate or rhythm
O36.831Maternal care for abnormalities of the fetal heart rate or rhythm, first trimester
O36.832Maternal care for abnormalities of the fetal heart rate or rhythm, second trimester
O36.833Maternal care for abnormalities of the fetal heart rate or rhythm, third trimester
O36.839Maternal care for abnormalities of the fetal heart rate or rhythm, unspecified trimester
O36.89Maternal care for other specified fetal problems
O36.891Maternal care for other specified fetal problems, first trimester
O36.892Maternal care for other specified fetal problems, second trimester
O36.893Maternal care for other specified fetal problems, third trimester
O36.899Maternal care for other specified fetal problems, unspecified trimester
O36.9Maternal care for fetal problem, unspecified
O36.90Maternal care for fetal problem, unspecified, unspecified trimester
O36.91Maternal care for fetal problem, unspecified, first trimester
O36.92Maternal care for fetal problem, unspecified, second trimester
O36.93Maternal care for fetal problem, unspecified, third trimester
O40Polyhydramnios
Includes: hydramnios
Excludes 1: encounter for suspected maternal and fetal conditions ruled out (Z03.7-)
One of the following 7th characters is to be assigned to each code under category O40. 7th character 0 is for single gestations and multiple gestations where the fetus is unspecified. 7th characters 1 through 9 are for cases of multiple gestations to identify the fetus for which the code applies. The appropriate code from category O30, Multiple gestation, must also be assigned when assigning a code from category O40 that has a 7th character of 1 through 9.
7th Character: 0 :: not applicable or unspecified
› 1 :: fetus 1
› 2 :: fetus 2
› 3 :: fetus 3
› 4 :: fetus 4
› 5 :: fetus 5
› 9 :: other fetus
O40.1Polyhydramnios, first trimester
O40.2Polyhydramnios, second trimester
O40.3Polyhydramnios, third trimester
O40.9Polyhydramnios, unspecified trimester
O41Other disorders of amniotic fluid and membranes
Excludes 1: encounter for suspected maternal and fetal conditions ruled out (Z03.7-)
One of the following 7th characters is to be assigned to each code under category O41. 7th character 0 is for single gestations and multiple gestations where the fetus is unspecified. 7th characters 1 through 9 are for cases of multiple gestations to identify the fetus for which the code applies. The appropriate code from category O30, Multiple gestation, must also be assigned when assigning a code from category O41 that has a 7th character of 1 through 9.
7th Character: 0 :: not applicable or unspecified
› 1 :: fetus 1
› 2 :: fetus 2
› 3 :: fetus 3
› 4 :: fetus 4
› 5 :: fetus 5
› 9 :: other fetus
O41.0Oligohydramnios
› Oligohydramnios without rupture of membranes
O41.00Oligohydramnios, unspecified trimester
O41.01Oligohydramnios, first trimester
O41.02Oligohydramnios, second trimester
O41.03Oligohydramnios, third trimester
O41.1Infection of amniotic sac and membranes
O41.10Infection of amniotic sac and membranes, unspecified
O41.101Infection of amniotic sac and membranes, unspecified, first trimester
O41.102Infection of amniotic sac and membranes, unspecified, second trimester
O41.103Infection of amniotic sac and membranes, unspecified, third trimester
O41.109Infection of amniotic sac and membranes, unspecified, unspecified trimester
O41.12Chorioamnionitis
O41.121Chorioamnionitis, first trimester
O41.122Chorioamnionitis, second trimester
O41.123Chorioamnionitis, third trimester
O41.129Chorioamnionitis, unspecified trimester
O41.14Placentitis
O41.141Placentitis, first trimester
O41.142Placentitis, second trimester
O41.143Placentitis, third trimester
O41.149Placentitis, unspecified trimester
O41.8Other specified disorders of amniotic fluid and membranes
O41.8XOther specified disorders of amniotic fluid and membranes
O41.8X1Other specified disorders of amniotic fluid and membranes, first trimester
O41.8X2Other specified disorders of amniotic fluid and membranes, second trimester
O41.8X3Other specified disorders of amniotic fluid and membranes, third trimester
O41.8X9Other specified disorders of amniotic fluid and membranes, unspecified trimester
O41.9Disorder of amniotic fluid and membranes, unspecified
O41.90Disorder of amniotic fluid and membranes, unspecified, unspecified trimester
O41.91Disorder of amniotic fluid and membranes, unspecified, first trimester
O41.92Disorder of amniotic fluid and membranes, unspecified, second trimester
O41.93Disorder of amniotic fluid and membranes, unspecified, third trimester
O42Premature rupture of membranes
O42.0Premature rupture of membranes, onset of labor within 24 hours of rupture
O42.00Premature rupture of membranes, onset of labor within 24 hours of rupture, unspecified weeks of gestation
O42.01Preterm premature rupture of membranes, onset of labor within 24 hours of rupture
› Premature rupture of membranes before 37 completed weeks of gestation
O42.011Preterm premature rupture of membranes, onset of labor within 24 hours of rupture, first trimester
O42.012Preterm premature rupture of membranes, onset of labor within 24 hours of rupture, second trimester
O42.013Preterm premature rupture of membranes, onset of labor within 24 hours of rupture, third trimester
O42.019Preterm premature rupture of membranes, onset of labor within 24 hours of rupture, unspecified trimester
O42.02Full-term premature rupture of membranes, onset of labor within 24 hours of rupture
› Premature rupture of membranes at or after 37 completed weeks of gestation, onset of labor within 24 hours of rupture
O42.1Premature rupture of membranes, onset of labor more than 24 hours following rupture
O42.10Premature rupture of membranes, onset of labor more than 24 hours following rupture, unspecified weeks of gestation
O42.11Preterm premature rupture of membranes, onset of labor more than 24 hours following rupture
› Premature rupture of membranes before 37 completed weeks of gestation
O42.111Preterm premature rupture of membranes, onset of labor more than 24 hours following rupture, first trimester
O42.112Preterm premature rupture of membranes, onset of labor more than 24 hours following rupture, second trimester
O42.113Preterm premature rupture of membranes, onset of labor more than 24 hours following rupture, third trimester
O42.119Preterm premature rupture of membranes, onset of labor more than 24 hours following rupture, unspecified trimester
O42.12Full-term premature rupture of membranes, onset of labor more than 24 hours following rupture
› Premature rupture of membranes at or after 37 completed weeks of gestation, onset of labor more than 24 hours following rupture
O42.9Premature rupture of membranes, unspecified as to length of time between rupture and onset of labor
O42.90Premature rupture of membranes, unspecified as to length of time between rupture and onset of labor, unspecified weeks of gestation
O42.91Preterm premature rupture of membranes, unspecified as to length of time between rupture and onset of labor
› Premature rupture of membranes before 37 completed weeks of gestation
O42.911Preterm premature rupture of membranes, unspecified as to length of time between rupture and onset of labor, first trimester
O42.912Preterm premature rupture of membranes, unspecified as to length of time between rupture and onset of labor, second trimester
O42.913Preterm premature rupture of membranes, unspecified as to length of time between rupture and onset of labor, third trimester
O42.919Preterm premature rupture of membranes, unspecified as to length of time between rupture and onset of labor, unspecified trimester
O42.92Full-term premature rupture of membranes, unspecified as to length of time between rupture and onset of labor
› Premature rupture of membranes at or after 37 completed weeks of gestation, unspecified as to length of time between rupture and onset of labor
O43Placental disorders
Excludes 2: maternal care for poor fetal growth due to placental insufficiency (O36.5-)
› placenta previa (O44.-)
› placental polyp (O90.89)
› placentitis (O41.14-)
› premature separation of placenta [abruptio placentae] (O45.-)
O43.0Placental transfusion syndromes
O43.01Fetomaternal placental transfusion syndrome
› Maternofetal placental transfusion syndrome
O43.011Fetomaternal placental transfusion syndrome, first trimester
O43.012Fetomaternal placental transfusion syndrome, second trimester
O43.013Fetomaternal placental transfusion syndrome, third trimester
O43.019Fetomaternal placental transfusion syndrome, unspecified trimester
O43.02Fetus-to-fetus placental transfusion syndrome
O43.021Fetus-to-fetus placental transfusion syndrome, first trimester
O43.022Fetus-to-fetus placental transfusion syndrome, second trimester
O43.023Fetus-to-fetus placental transfusion syndrome, third trimester
O43.029Fetus-to-fetus placental transfusion syndrome, unspecified trimester
O43.1Malformation of placenta
O43.10Malformation of placenta, unspecified
› Abnormal placenta NOS
O43.101Malformation of placenta, unspecified, first trimester
O43.102Malformation of placenta, unspecified, second trimester
O43.103Malformation of placenta, unspecified, third trimester
O43.109Malformation of placenta, unspecified, unspecified trimester
O43.11Circumvallate placenta
O43.111Circumvallate placenta, first trimester
O43.112Circumvallate placenta, second trimester
O43.113Circumvallate placenta, third trimester
O43.119Circumvallate placenta, unspecified trimester
O43.12Velamentous insertion of umbilical cord
O43.121Velamentous insertion of umbilical cord, first trimester
O43.122Velamentous insertion of umbilical cord, second trimester
O43.123Velamentous insertion of umbilical cord, third trimester
O43.129Velamentous insertion of umbilical cord, unspecified trimester
O43.19Other malformation of placenta
O43.191Other malformation of placenta, first trimester
O43.192Other malformation of placenta, second trimester
O43.193Other malformation of placenta, third trimester
O43.199Other malformation of placenta, unspecified trimester
O43.2Morbidly adherent placenta
Code Also: associated third stage postpartum hemorrhage, if applicable (O72.0)
Excludes 1: retained placenta (O73.-)
O43.21Placenta accreta
O43.211Placenta accreta, first trimester
O43.212Placenta accreta, second trimester
O43.213Placenta accreta, third trimester
O43.219Placenta accreta, unspecified trimester
O43.22Placenta increta
O43.221Placenta increta, first trimester
O43.222Placenta increta, second trimester
O43.223Placenta increta, third trimester
O43.229Placenta increta, unspecified trimester
O43.23Placenta percreta
O43.231Placenta percreta, first trimester
O43.232Placenta percreta, second trimester
O43.233Placenta percreta, third trimester
O43.239Placenta percreta, unspecified trimester
O43.8Other placental disorders
O43.81Placental infarction
O43.811Placental infarction, first trimester
O43.812Placental infarction, second trimester
O43.813Placental infarction, third trimester
O43.819Placental infarction, unspecified trimester
O43.89Other placental disorders
› Placental dysfunction
O43.891Other placental disorders, first trimester
O43.892Other placental disorders, second trimester
O43.893Other placental disorders, third trimester
O43.899Other placental disorders, unspecified trimester
O43.9Unspecified placental disorder
O43.90Unspecified placental disorder, unspecified trimester
O43.91Unspecified placental disorder, first trimester
O43.92Unspecified placental disorder, second trimester
O43.93Unspecified placental disorder, third trimester
O44Placenta previa
O44.0Complete placenta previa NOS or without hemorrhage
› Placenta previa NOS
O44.00Complete placenta previa NOS or without hemorrhage, unspecified trimester
O44.01Complete placenta previa NOS or without hemorrhage, first trimester
O44.02Complete placenta previa NOS or without hemorrhage, second trimester
O44.03Complete placenta previa NOS or without hemorrhage, third trimester
O44.1Complete placenta previa with hemorrhage
Excludes 1: labor and delivery complicated by hemorrhage from vasa previa (O69.4)
O44.10Complete placenta previa with hemorrhage, unspecified trimester
O44.11Complete placenta previa with hemorrhage, first trimester
O44.12Complete placenta previa with hemorrhage, second trimester
O44.13Complete placenta previa with hemorrhage, third trimester
O44.2Partial placenta previa without hemorrhage
› Marginal placenta previa, NOS or without hemorrhage
O44.20Partial placenta previa NOS or without hemorrhage, unspecified trimester
O44.21Partial placenta previa NOS or without hemorrhage, first trimester
O44.22Partial placenta previa NOS or without hemorrhage, second trimester
O44.23Partial placenta previa NOS or without hemorrhage, third trimester
O44.3Partial placenta previa with hemorrhage
› Marginal placenta previa with hemorrhage
O44.30Partial placenta previa with hemorrhage, unspecified trimester
O44.31Partial placenta previa with hemorrhage, first trimester
O44.32Partial placenta previa with hemorrhage, second trimester
O44.33Partial placenta previa with hemorrhage, third trimester
O44.4Low lying placenta NOS or without hemorrhage
› Low implantation of placenta NOS or without hemorrhage
O44.40Low lying placenta NOS or without hemorrhage, unspecified trimester
O44.41Low lying placenta NOS or without hemorrhage, first trimester
O44.42Low lying placenta NOS or without hemorrhage, second trimester
O44.43Low lying placenta NOS or without hemorrhage, third trimester
O44.5Low lying placenta with hemorrhage
› Low implantation of placenta with hemorrhage
O44.50Low lying placenta with hemorrhage, unspecified trimester
O44.51Low lying placenta with hemorrhage, first trimester
O44.52Low lying placenta with hemorrhage, second trimester
O44.53Low lying placenta with hemorrhage, third trimester
O45Premature separation of placenta [abruptio placentae]
O45.0Premature separation of placenta with coagulation defect
O45.00Premature separation of placenta with coagulation defect, unspecified
O45.001Premature separation of placenta with coagulation defect, unspecified, first trimester
O45.002Premature separation of placenta with coagulation defect, unspecified, second trimester
O45.003Premature separation of placenta with coagulation defect, unspecified, third trimester
O45.009Premature separation of placenta with coagulation defect, unspecified, unspecified trimester
O45.01Premature separation of placenta with afibrinogenemia
› Premature separation of placenta with hypofibrinogenemia
O45.011Premature separation of placenta with afibrinogenemia, first trimester
O45.012Premature separation of placenta with afibrinogenemia, second trimester
O45.013Premature separation of placenta with afibrinogenemia, third trimester
O45.019Premature separation of placenta with afibrinogenemia, unspecified trimester
O45.02Premature separation of placenta with disseminated intravascular coagulation
O45.021Premature separation of placenta with disseminated intravascular coagulation, first trimester
O45.022Premature separation of placenta with disseminated intravascular coagulation, second trimester
O45.023Premature separation of placenta with disseminated intravascular coagulation, third trimester
O45.029Premature separation of placenta with disseminated intravascular coagulation, unspecified trimester
O45.09Premature separation of placenta with other coagulation defect
O45.091Premature separation of placenta with other coagulation defect, first trimester
O45.092Premature separation of placenta with other coagulation defect, second trimester
O45.093Premature separation of placenta with other coagulation defect, third trimester
O45.099Premature separation of placenta with other coagulation defect, unspecified trimester
O45.8Other premature separation of placenta
O45.8XOther premature separation of placenta
O45.8X1Other premature separation of placenta, first trimester
O45.8X2Other premature separation of placenta, second trimester
O45.8X3Other premature separation of placenta, third trimester
O45.8X9Other premature separation of placenta, unspecified trimester
O45.9Premature separation of placenta, unspecified
› Abruptio placentae NOS
O45.90Premature separation of placenta, unspecified, unspecified trimester
O45.91Premature separation of placenta, unspecified, first trimester
O45.92Premature separation of placenta, unspecified, second trimester
O45.93Premature separation of placenta, unspecified, third trimester
O46Antepartum hemorrhage, not elsewhere classified
Excludes 1: hemorrhage in early pregnancy (O20.-)
› intrapartum hemorrhage NEC (O67.-)
› placenta previa (O44.-)
› premature separation of placenta [abruptio placentae] (O45.-)
O46.0Antepartum hemorrhage with coagulation defect
O46.00Antepartum hemorrhage with coagulation defect, unspecified
O46.001Antepartum hemorrhage with coagulation defect, unspecified, first trimester
O46.002Antepartum hemorrhage with coagulation defect, unspecified, second trimester
O46.003Antepartum hemorrhage with coagulation defect, unspecified, third trimester
O46.009Antepartum hemorrhage with coagulation defect, unspecified, unspecified trimester
O46.01Antepartum hemorrhage with afibrinogenemia
› Antepartum hemorrhage with hypofibrinogenemia
O46.011Antepartum hemorrhage with afibrinogenemia, first trimester
O46.012Antepartum hemorrhage with afibrinogenemia, second trimester
O46.013Antepartum hemorrhage with afibrinogenemia, third trimester
O46.019Antepartum hemorrhage with afibrinogenemia, unspecified trimester
O46.02Antepartum hemorrhage with disseminated intravascular coagulation
O46.021Antepartum hemorrhage with disseminated intravascular coagulation, first trimester
O46.022Antepartum hemorrhage with disseminated intravascular coagulation, second trimester
O46.023Antepartum hemorrhage with disseminated intravascular coagulation, third trimester
O46.029Antepartum hemorrhage with disseminated intravascular coagulation, unspecified trimester
O46.09Antepartum hemorrhage with other coagulation defect
O46.091Antepartum hemorrhage with other coagulation defect, first trimester
O46.092Antepartum hemorrhage with other coagulation defect, second trimester
O46.093Antepartum hemorrhage with other coagulation defect, third trimester
O46.099Antepartum hemorrhage with other coagulation defect, unspecified trimester
O46.8Other antepartum hemorrhage
O46.8XOther antepartum hemorrhage
O46.8X1Other antepartum hemorrhage, first trimester
O46.8X2Other antepartum hemorrhage, second trimester
O46.8X3Other antepartum hemorrhage, third trimester
O46.8X9Other antepartum hemorrhage, unspecified trimester
O46.9Antepartum hemorrhage, unspecified
O46.90Antepartum hemorrhage, unspecified, unspecified trimester
O46.91Antepartum hemorrhage, unspecified, first trimester
O46.92Antepartum hemorrhage, unspecified, second trimester
O46.93Antepartum hemorrhage, unspecified, third trimester
O47False labor
Includes: Braxton Hicks contractions
› threatened labor
Excludes 1: preterm labor (O60.-)
O47.0False labor before 37 completed weeks of gestation
O47.00False labor before 37 completed weeks of gestation, unspecified trimester
O47.02False labor before 37 completed weeks of gestation, second trimester
O47.03False labor before 37 completed weeks of gestation, third trimester
O47.1False labor at or after 37 completed weeks of gestation
O47.9False labor, unspecified
O48Late pregnancy
O48.0Post-term pregnancy
› Pregnancy over 40 completed weeks to 42 completed weeks gestation
O48.1Prolonged pregnancy
› Pregnancy which has advanced beyond 42 completed weeks gestation