ICD-10-CM Section · O30-O48
Maternal care related to the fetus and amniotic cavity and possible delivery problems
579 codes in this section
579
Total Codes
292
Billable
287
Header (Non-Billable)
16
Top-Level Codes
About Section O30-O48
Section O30-O48 (O30-O48) covers maternal care related to the fetus and amniotic cavity and possible delivery problems. It sits within the Pregnancy, childbirth and the puerperium chapter (O00-O9A). This section contains 579 ICD-10-CM codes, 292 billable diagnoses you can submit on a claim, and 287 non-billable header codes used to organize the hierarchy.
Codes are organized below by 3-character root. Click the root to see all subcodes underneath it, or click any individual code for full coverage data, payer policies, and linked CPT procedures.
Codes in O30-O48
Grouped by 3-character root code. Click any code for full detail.
O30
Multiple gestation
114 subcodes
| O30.0 | Twin pregnancy | Header |
| O30.00 | Twin pregnancy, unspecified number of placenta and unspecified number of amniotic sacs | Header |
| O30.001 | Twin pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, first trimester | Billable |
| O30.002 | Twin pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, second trimester | Billable |
| O30.003 | Twin pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, third trimester | Billable |
| O30.009 | Twin pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, unspecified trimester | Billable |
| O30.01 | Twin pregnancy, monochorionic/monoamniotic | Header |
| O30.011 | Twin pregnancy, monochorionic/monoamniotic, first trimester | Billable |
| O30.012 | Twin pregnancy, monochorionic/monoamniotic, second trimester | Billable |
| O30.013 | Twin pregnancy, monochorionic/monoamniotic, third trimester | Billable |
| O30.019 | Twin pregnancy, monochorionic/monoamniotic, unspecified trimester | Billable |
| O30.02 | Conjoined twin pregnancy | Header |
| O30.021 | Conjoined twin pregnancy, first trimester | Billable |
| O30.022 | Conjoined twin pregnancy, second trimester | Billable |
| O30.023 | Conjoined twin pregnancy, third trimester | Billable |
| O30.029 | Conjoined twin pregnancy, unspecified trimester | Billable |
| O30.03 | Twin pregnancy, monochorionic/diamniotic | Header |
| O30.031 | Twin pregnancy, monochorionic/diamniotic, first trimester | Billable |
| O30.032 | Twin pregnancy, monochorionic/diamniotic, second trimester | Billable |
| O30.033 | Twin pregnancy, monochorionic/diamniotic, third trimester | Billable |
| O30.039 | Twin pregnancy, monochorionic/diamniotic, unspecified trimester | Billable |
| O30.04 | Twin pregnancy, dichorionic/diamniotic | Header |
| O30.041 | Twin pregnancy, dichorionic/diamniotic, first trimester | Billable |
| O30.042 | Twin pregnancy, dichorionic/diamniotic, second trimester | Billable |
| O30.043 | Twin pregnancy, dichorionic/diamniotic, third trimester | Billable |
| O30.049 | Twin pregnancy, dichorionic/diamniotic, unspecified trimester | Billable |
| O30.09 | Twin pregnancy, unable to determine number of placenta and number of amniotic sacs | Header |
| O30.091 | Twin pregnancy, unable to determine number of placenta and number of amniotic sacs, first trimester | Billable |
| O30.092 | Twin pregnancy, unable to determine number of placenta and number of amniotic sacs, second trimester | Billable |
| O30.093 | Twin pregnancy, unable to determine number of placenta and number of amniotic sacs, third trimester | Billable |
| O30.099 | Twin pregnancy, unable to determine number of placenta and number of amniotic sacs, unspecified trimester | Billable |
| O30.1 | Triplet pregnancy | Header |
| O30.10 | Triplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs | Header |
| O30.101 | Triplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, first trimester | Billable |
| O30.102 | Triplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, second trimester | Billable |
| O30.103 | Triplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, third trimester | Billable |
| O30.109 | Triplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, unspecified trimester | Billable |
| O30.11 | Triplet pregnancy with two or more monochorionic fetuses | Header |
| O30.111 | Triplet pregnancy with two or more monochorionic fetuses, first trimester | Billable |
| O30.112 | Triplet pregnancy with two or more monochorionic fetuses, second trimester | Billable |
| O30.113 | Triplet pregnancy with two or more monochorionic fetuses, third trimester | Billable |
| O30.119 | Triplet pregnancy with two or more monochorionic fetuses, unspecified trimester | Billable |
| O30.12 | Triplet pregnancy with two or more monoamniotic fetuses | Header |
| O30.121 | Triplet pregnancy with two or more monoamniotic fetuses, first trimester | Billable |
| O30.122 | Triplet pregnancy with two or more monoamniotic fetuses, second trimester | Billable |
| O30.123 | Triplet pregnancy with two or more monoamniotic fetuses, third trimester | Billable |
| O30.129 | Triplet pregnancy with two or more monoamniotic fetuses, unspecified trimester | Billable |
| O30.13 | Triplet pregnancy, trichorionic/triamniotic | Header |
| O30.131 | Triplet pregnancy, trichorionic/triamniotic, first trimester | Billable |
| O30.132 | Triplet pregnancy, trichorionic/triamniotic, second trimester | Billable |
| O30.133 | Triplet pregnancy, trichorionic/triamniotic, third trimester | Billable |
| O30.139 | Triplet pregnancy, trichorionic/triamniotic, unspecified trimester | Billable |
| O30.19 | Triplet pregnancy, unable to determine number of placenta and number of amniotic sacs | Header |
| O30.191 | Triplet pregnancy, unable to determine number of placenta and number of amniotic sacs, first trimester | Billable |
| O30.192 | Triplet pregnancy, unable to determine number of placenta and number of amniotic sacs, second trimester | Billable |
| O30.193 | Triplet pregnancy, unable to determine number of placenta and number of amniotic sacs, third trimester | Billable |
| O30.199 | Triplet pregnancy, unable to determine number of placenta and number of amniotic sacs, unspecified trimester | Billable |
| O30.2 | Quadruplet pregnancy | Header |
| O30.20 | Quadruplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs | Header |
| O30.201 | Quadruplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, first trimester | Billable |
| O30.202 | Quadruplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, second trimester | Billable |
| O30.203 | Quadruplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, third trimester | Billable |
| O30.209 | Quadruplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, unspecified trimester | Billable |
| O30.21 | Quadruplet pregnancy with two or more monochorionic fetuses | Header |
| O30.211 | Quadruplet pregnancy with two or more monochorionic fetuses, first trimester | Billable |
| O30.212 | Quadruplet pregnancy with two or more monochorionic fetuses, second trimester | Billable |
| O30.213 | Quadruplet pregnancy with two or more monochorionic fetuses, third trimester | Billable |
| O30.219 | Quadruplet pregnancy with two or more monochorionic fetuses, unspecified trimester | Billable |
| O30.22 | Quadruplet pregnancy with two or more monoamniotic fetuses | Header |
| O30.221 | Quadruplet pregnancy with two or more monoamniotic fetuses, first trimester | Billable |
| O30.222 | Quadruplet pregnancy with two or more monoamniotic fetuses, second trimester | Billable |
| O30.223 | Quadruplet pregnancy with two or more monoamniotic fetuses, third trimester | Billable |
| O30.229 | Quadruplet pregnancy with two or more monoamniotic fetuses, unspecified trimester | Billable |
| O30.23 | Quadruplet pregnancy, quadrachorionic/quadra-amniotic | Header |
| O30.231 | Quadruplet pregnancy, quadrachorionic/quadra-amniotic, first trimester | Billable |
| O30.232 | Quadruplet pregnancy, quadrachorionic/quadra-amniotic, second trimester | Billable |
| O30.233 | Quadruplet pregnancy, quadrachorionic/quadra-amniotic, third trimester | Billable |
| O30.239 | Quadruplet pregnancy, quadrachorionic/quadra-amniotic, unspecified trimester | Billable |
| O30.29 | Quadruplet pregnancy, unable to determine number of placenta and number of amniotic sacs | Header |
| O30.291 | Quadruplet pregnancy, unable to determine number of placenta and number of amniotic sacs, first trimester | Billable |
| O30.292 | Quadruplet pregnancy, unable to determine number of placenta and number of amniotic sacs, second trimester | Billable |
| O30.293 | Quadruplet pregnancy, unable to determine number of placenta and number of amniotic sacs, third trimester | Billable |
| O30.299 | Quadruplet pregnancy, unable to determine number of placenta and number of amniotic sacs, unspecified trimester | Billable |
| O30.8 | Other specified multiple gestation | Header |
| O30.80 | Other specified multiple gestation, unspecified number of placenta and unspecified number of amniotic sacs | Header |
| O30.801 | Other specified multiple gestation, unspecified number of placenta and unspecified number of amniotic sacs, first trimester | Billable |
| O30.802 | Other specified multiple gestation, unspecified number of placenta and unspecified number of amniotic sacs, second trimester | Billable |
| O30.803 | Other specified multiple gestation, unspecified number of placenta and unspecified number of amniotic sacs, third trimester | Billable |
| O30.809 | Other specified multiple gestation, unspecified number of placenta and unspecified number of amniotic sacs, unspecified trimester | Billable |
| O30.81 | Other specified multiple gestation with two or more monochorionic fetuses | Header |
| O30.811 | Other specified multiple gestation with two or more monochorionic fetuses, first trimester | Billable |
| O30.812 | Other specified multiple gestation with two or more monochorionic fetuses, second trimester | Billable |
| O30.813 | Other specified multiple gestation with two or more monochorionic fetuses, third trimester | Billable |
| O30.819 | Other specified multiple gestation with two or more monochorionic fetuses, unspecified trimester | Billable |
| O30.82 | Other specified multiple gestation with two or more monoamniotic fetuses | Header |
| O30.821 | Other specified multiple gestation with two or more monoamniotic fetuses, first trimester | Billable |
| O30.822 | Other specified multiple gestation with two or more monoamniotic fetuses, second trimester | Billable |
| O30.823 | Other specified multiple gestation with two or more monoamniotic fetuses, third trimester | Billable |
| O30.829 | Other specified multiple gestation with two or more monoamniotic fetuses, unspecified trimester | Billable |
| O30.83 | Other specified multiple gestation, number of chorions and amnions are both equal to the number of fetuses | Header |
| O30.831 | Other specified multiple gestation, number of chorions and amnions are both equal to the number of fetuses, first trimester | Billable |
| O30.832 | Other specified multiple gestation, number of chorions and amnions are both equal to the number of fetuses, second trimester | Billable |
| O30.833 | Other specified multiple gestation, number of chorions and amnions are both equal to the number of fetuses, third trimester | Billable |
| O30.839 | Other specified multiple gestation, number of chorions and amnions are both equal to the number of fetuses, unspecified trimester | Billable |
| O30.89 | Other specified multiple gestation, unable to determine number of placenta and number of amniotic sacs | Header |
| O30.891 | Other specified multiple gestation, unable to determine number of placenta and number of amniotic sacs, first trimester | Billable |
| O30.892 | Other specified multiple gestation, unable to determine number of placenta and number of amniotic sacs, second trimester | Billable |
| O30.893 | Other specified multiple gestation, unable to determine number of placenta and number of amniotic sacs, third trimester | Billable |
| O30.899 | Other specified multiple gestation, unable to determine number of placenta and number of amniotic sacs, unspecified trimester | Billable |
| O30.9 | Multiple gestation, unspecified | Header |
| O30.90 | Multiple gestation, unspecified, unspecified trimester | Billable |
| O30.91 | Multiple gestation, unspecified, first trimester | Billable |
| O30.92 | Multiple gestation, unspecified, second trimester | Billable |
| O30.93 | Multiple gestation, unspecified, third trimester | Billable |
O31
Complications specific to multiple gestation
26 subcodes
| O31.0 | Papyraceous fetus | Header |
| O31.00 | Papyraceous fetus, unspecified trimester | Header |
| O31.01 | Papyraceous fetus, first trimester | Header |
| O31.02 | Papyraceous fetus, second trimester | Header |
| O31.03 | Papyraceous fetus, third trimester | Header |
| O31.1 | Continuing pregnancy after spontaneous abortion of one fetus or more | Header |
| O31.10 | Continuing pregnancy after spontaneous abortion of one fetus or more, unspecified trimester | Header |
| O31.11 | Continuing pregnancy after spontaneous abortion of one fetus or more, first trimester | Header |
| O31.12 | Continuing pregnancy after spontaneous abortion of one fetus or more, second trimester | Header |
| O31.13 | Continuing pregnancy after spontaneous abortion of one fetus or more, third trimester | Header |
| O31.2 | Continuing pregnancy after intrauterine death of one fetus or more | Header |
| O31.20 | Continuing pregnancy after intrauterine death of one fetus or more, unspecified trimester | Header |
| O31.21 | Continuing pregnancy after intrauterine death of one fetus or more, first trimester | Header |
| O31.22 | Continuing pregnancy after intrauterine death of one fetus or more, second trimester | Header |
| O31.23 | Continuing pregnancy after intrauterine death of one fetus or more, third trimester | Header |
| O31.3 | Continuing pregnancy after elective fetal reduction of one fetus or more | Header |
| O31.30 | Continuing pregnancy after elective fetal reduction of one fetus or more, unspecified trimester | Header |
| O31.31 | Continuing pregnancy after elective fetal reduction of one fetus or more, first trimester | Header |
| O31.32 | Continuing pregnancy after elective fetal reduction of one fetus or more, second trimester | Header |
| O31.33 | Continuing pregnancy after elective fetal reduction of one fetus or more, third trimester | Header |
| O31.8 | Other complications specific to multiple gestation | Header |
| O31.8X | Other complications specific to multiple gestation | Header |
| O31.8X1 | Other complications specific to multiple gestation, first trimester | Header |
| O31.8X2 | Other complications specific to multiple gestation, second trimester | Header |
| O31.8X3 | Other complications specific to multiple gestation, third trimester | Header |
| O31.8X9 | Other complications specific to multiple gestation, unspecified trimester | Header |
O32
Maternal care for malpresentation of fetus
8 subcodes
| O32.0 | Maternal care for unstable lie | Header |
| O32.1 | Maternal care for breech presentation | Header |
| O32.2 | Maternal care for transverse and oblique lie | Header |
| O32.3 | Maternal care for face, brow and chin presentation | Header |
| O32.4 | Maternal care for high head at term | Header |
| O32.6 | Maternal care for compound presentation | Header |
| O32.8 | Maternal care for other malpresentation of fetus | Header |
| O32.9 | Maternal care for malpresentation of fetus, unspecified | Header |
O33
Maternal care for disproportion
10 subcodes
| O33.0 | Maternal care for disproportion due to deformity of maternal pelvic bones | Billable |
| O33.1 | Maternal care for disproportion due to generally contracted pelvis | Billable |
| O33.2 | Maternal care for disproportion due to inlet contraction of pelvis | Billable |
| O33.3 | Maternal care for disproportion due to outlet contraction of pelvis | Header |
| O33.4 | Maternal care for disproportion of mixed maternal and fetal origin | Header |
| O33.5 | Maternal care for disproportion due to unusually large fetus | Header |
| O33.6 | Maternal care for disproportion due to hydrocephalic fetus | Header |
| O33.7 | Maternal care for disproportion due to other fetal deformities | Header |
| O33.8 | Maternal care for disproportion of other origin | Billable |
| O33.9 | Maternal care for disproportion, unspecified | Billable |
O34
Maternal care for abnormality of pelvic organs
69 subcodes
| O34.0 | Maternal care for congenital malformation of uterus | Header |
| O34.00 | Maternal care for unspecified congenital malformation of uterus, unspecified trimester | Billable |
| O34.01 | Maternal care for unspecified congenital malformation of uterus, first trimester | Billable |
| O34.02 | Maternal care for unspecified congenital malformation of uterus, second trimester | Billable |
| O34.03 | Maternal care for unspecified congenital malformation of uterus, third trimester | Billable |
| O34.1 | Maternal care for benign tumor of corpus uteri | Header |
| O34.10 | Maternal care for benign tumor of corpus uteri, unspecified trimester | Billable |
| O34.11 | Maternal care for benign tumor of corpus uteri, first trimester | Billable |
| O34.12 | Maternal care for benign tumor of corpus uteri, second trimester | Billable |
| O34.13 | Maternal care for benign tumor of corpus uteri, third trimester | Billable |
| O34.2 | Maternal care due to uterine scar from previous surgery | Header |
| O34.21 | Maternal care for scar from previous cesarean delivery | Header |
| O34.211 | Maternal care for low transverse scar from previous cesarean delivery | Billable |
| O34.212 | Maternal care for vertical scar from previous cesarean delivery | Billable |
| O34.218 | Maternal care for other type scar from previous cesarean delivery | Billable |
| O34.219 | Maternal care for unspecified type scar from previous cesarean delivery | Billable |
| O34.22 | Maternal care for cesarean scar defect (isthmocele) | Billable |
| O34.29 | Maternal care due to uterine scar from other previous surgery | Billable |
| O34.3 | Maternal care for cervical incompetence | Header |
| O34.30 | Maternal care for cervical incompetence, unspecified trimester | Billable |
| O34.31 | Maternal care for cervical incompetence, first trimester | Billable |
| O34.32 | Maternal care for cervical incompetence, second trimester | Billable |
| O34.33 | Maternal care for cervical incompetence, third trimester | Billable |
| O34.4 | Maternal care for other abnormalities of cervix | Header |
| O34.40 | Maternal care for other abnormalities of cervix, unspecified trimester | Billable |
| O34.41 | Maternal care for other abnormalities of cervix, first trimester | Billable |
| O34.42 | Maternal care for other abnormalities of cervix, second trimester | Billable |
| O34.43 | Maternal care for other abnormalities of cervix, third trimester | Billable |
| O34.5 | Maternal care for other abnormalities of gravid uterus | Header |
| O34.51 | Maternal care for incarceration of gravid uterus | Header |
| O34.511 | Maternal care for incarceration of gravid uterus, first trimester | Billable |
| O34.512 | Maternal care for incarceration of gravid uterus, second trimester | Billable |
| O34.513 | Maternal care for incarceration of gravid uterus, third trimester | Billable |
| O34.519 | Maternal care for incarceration of gravid uterus, unspecified trimester | Billable |
| O34.52 | Maternal care for prolapse of gravid uterus | Header |
| O34.521 | Maternal care for prolapse of gravid uterus, first trimester | Billable |
| O34.522 | Maternal care for prolapse of gravid uterus, second trimester | Billable |
| O34.523 | Maternal care for prolapse of gravid uterus, third trimester | Billable |
| O34.529 | Maternal care for prolapse of gravid uterus, unspecified trimester | Billable |
| O34.53 | Maternal care for retroversion of gravid uterus | Header |
| O34.531 | Maternal care for retroversion of gravid uterus, first trimester | Billable |
| O34.532 | Maternal care for retroversion of gravid uterus, second trimester | Billable |
| O34.533 | Maternal care for retroversion of gravid uterus, third trimester | Billable |
| O34.539 | Maternal care for retroversion of gravid uterus, unspecified trimester | Billable |
| O34.59 | Maternal care for other abnormalities of gravid uterus | Header |
| O34.591 | Maternal care for other abnormalities of gravid uterus, first trimester | Billable |
| O34.592 | Maternal care for other abnormalities of gravid uterus, second trimester | Billable |
| O34.593 | Maternal care for other abnormalities of gravid uterus, third trimester | Billable |
| O34.599 | Maternal care for other abnormalities of gravid uterus, unspecified trimester | Billable |
| O34.6 | Maternal care for abnormality of vagina | Header |
| O34.60 | Maternal care for abnormality of vagina, unspecified trimester | Billable |
| O34.61 | Maternal care for abnormality of vagina, first trimester | Billable |
| O34.62 | Maternal care for abnormality of vagina, second trimester | Billable |
| O34.63 | Maternal care for abnormality of vagina, third trimester | Billable |
| O34.7 | Maternal care for abnormality of vulva and perineum | Header |
| O34.70 | Maternal care for abnormality of vulva and perineum, unspecified trimester | Billable |
| O34.71 | Maternal care for abnormality of vulva and perineum, first trimester | Billable |
| O34.72 | Maternal care for abnormality of vulva and perineum, second trimester | Billable |
| O34.73 | Maternal care for abnormality of vulva and perineum, third trimester | Billable |
| O34.8 | Maternal care for other abnormalities of pelvic organs | Header |
| O34.80 | Maternal care for other abnormalities of pelvic organs, unspecified trimester | Billable |
| O34.81 | Maternal care for other abnormalities of pelvic organs, first trimester | Billable |
| O34.82 | Maternal care for other abnormalities of pelvic organs, second trimester | Billable |
| O34.83 | Maternal care for other abnormalities of pelvic organs, third trimester | Billable |
| O34.9 | Maternal care for abnormality of pelvic organ, unspecified | Header |
| O34.90 | Maternal care for abnormality of pelvic organ, unspecified, unspecified trimester | Billable |
| O34.91 | Maternal care for abnormality of pelvic organ, unspecified, first trimester | Billable |
| O34.92 | Maternal care for abnormality of pelvic organ, unspecified, second trimester | Billable |
| O34.93 | Maternal care for abnormality of pelvic organ, unspecified, third trimester | Billable |
O35
Maternal care for known or suspected fetal abnormality and damage
35 subcodes
| O35.0 | Maternal care for (suspected) central nervous system malformation in fetus | Header |
| O35.00 | Maternal care for (suspected) central nervous system malformation or damage in fetus, unspecified | Header |
| O35.01 | Maternal care for (suspected) central nervous system malformation or damage in fetus, agenesis of the corpus callosum | Header |
| O35.02 | Maternal care for (suspected) central nervous system malformation or damage in fetus, anencephaly | Header |
| O35.03 | Maternal care for (suspected) central nervous system malformation or damage in fetus, choroid plexus cysts | Header |
| O35.04 | Maternal care for (suspected) central nervous system malformation or damage in fetus, encephalocele | Header |
| O35.05 | Maternal care for (suspected) central nervous system malformation or damage in fetus, holoprosencephaly | Header |
| O35.06 | Maternal care for (suspected) central nervous system malformation or damage in fetus, hydrocephaly | Header |
| O35.07 | Maternal care for (suspected) central nervous system malformation or damage in fetus, microcephaly | Header |
| O35.08 | Maternal care for (suspected) central nervous system malformation or damage in fetus, spina bifida | Header |
| O35.09 | Maternal care for (suspected) other central nervous system malformation or damage in fetus | Header |
| O35.1 | Maternal care for (suspected) chromosomal abnormality in fetus | Header |
| O35.10 | Maternal care for (suspected) chromosomal abnormality in fetus, unspecified | Header |
| O35.11 | Maternal care for (suspected) chromosomal abnormality in fetus, Trisomy 13 | Header |
| O35.12 | Maternal care for (suspected) chromosomal abnormality in fetus, Trisomy 18 | Header |
| O35.13 | Maternal care for (suspected) chromosomal abnormality in fetus, Trisomy 21 | Header |
| O35.14 | Maternal care for (suspected) chromosomal abnormality in fetus, Turner Syndrome | Header |
| O35.15 | Maternal care for (suspected) chromosomal abnormality in fetus, sex chromosome abnormality | Header |
| O35.19 | Maternal care for (suspected) chromosomal abnormality in fetus, other chromosomal abnormality | Header |
| O35.2 | Maternal care for (suspected) hereditary disease in fetus | Header |
| O35.3 | Maternal care for (suspected) damage to fetus from viral disease in mother | Header |
| O35.4 | Maternal care for (suspected) damage to fetus from alcohol | Header |
| O35.5 | Maternal care for (suspected) damage to fetus by drugs | Header |
| O35.6 | Maternal care for (suspected) damage to fetus by radiation | Header |
| O35.7 | Maternal care for (suspected) damage to fetus by other medical procedures | Header |
| O35.8 | Maternal care for other (suspected) fetal abnormality and damage | Header |
| O35.9 | Maternal care for (suspected) fetal abnormality and damage, unspecified | Header |
| O35.A | Maternal care for other (suspected) fetal abnormality and damage, fetal facial anomalies | Header |
| O35.B | Maternal care for other (suspected) fetal abnormality and damage, fetal cardiac anomalies | Header |
| O35.C | Maternal care for other (suspected) fetal abnormality and damage, fetal pulmonary anomalies | Header |
| O35.D | Maternal care for other (suspected) fetal abnormality and damage, fetal gastrointestinal anomalies | Header |
| O35.E | Maternal care for other (suspected) fetal abnormality and damage, fetal genitourinary anomalies | Header |
| O35.F | Maternal care for other (suspected) fetal abnormality and damage, fetal musculoskeletal anomalies of trunk | Header |
| O35.G | Maternal care for other (suspected) fetal abnormality and damage, fetal upper extremities anomalies | Header |
| O35.H | Maternal care for other (suspected) fetal abnormality and damage, fetal lower extremities anomalies | Header |
O36
Maternal care for other fetal problems
75 subcodes
| O36.0 | Maternal care for rhesus isoimmunization | Header |
| O36.01 | Maternal care for anti-D [Rh] antibodies | Header |
| O36.011 | Maternal care for anti-D [Rh] antibodies, first trimester | Header |
| O36.012 | Maternal care for anti-D [Rh] antibodies, second trimester | Header |
| O36.013 | Maternal care for anti-D [Rh] antibodies, third trimester | Header |
| O36.019 | Maternal care for anti-D [Rh] antibodies, unspecified trimester | Header |
| O36.09 | Maternal care for other rhesus isoimmunization | Header |
| O36.091 | Maternal care for other rhesus isoimmunization, first trimester | Header |
| O36.092 | Maternal care for other rhesus isoimmunization, second trimester | Header |
| O36.093 | Maternal care for other rhesus isoimmunization, third trimester | Header |
| O36.099 | Maternal care for other rhesus isoimmunization, unspecified trimester | Header |
| O36.1 | Maternal care for other isoimmunization | Header |
| O36.11 | Maternal care for Anti-A sensitization | Header |
| O36.111 | Maternal care for Anti-A sensitization, first trimester | Header |
| O36.112 | Maternal care for Anti-A sensitization, second trimester | Header |
| O36.113 | Maternal care for Anti-A sensitization, third trimester | Header |
| O36.119 | Maternal care for Anti-A sensitization, unspecified trimester | Header |
| O36.19 | Maternal care for other isoimmunization | Header |
| O36.191 | Maternal care for other isoimmunization, first trimester | Header |
| O36.192 | Maternal care for other isoimmunization, second trimester | Header |
| O36.193 | Maternal care for other isoimmunization, third trimester | Header |
| O36.199 | Maternal care for other isoimmunization, unspecified trimester | Header |
| O36.2 | Maternal care for hydrops fetalis | Header |
| O36.20 | Maternal care for hydrops fetalis, unspecified trimester | Header |
| O36.21 | Maternal care for hydrops fetalis, first trimester | Header |
| O36.22 | Maternal care for hydrops fetalis, second trimester | Header |
| O36.23 | Maternal care for hydrops fetalis, third trimester | Header |
| O36.4 | Maternal care for intrauterine death | Header |
| O36.5 | Maternal care for known or suspected poor fetal growth | Header |
| O36.51 | Maternal care for known or suspected placental insufficiency | Header |
| O36.511 | Maternal care for known or suspected placental insufficiency, first trimester | Header |
| O36.512 | Maternal care for known or suspected placental insufficiency, second trimester | Header |
| O36.513 | Maternal care for known or suspected placental insufficiency, third trimester | Header |
| O36.519 | Maternal care for known or suspected placental insufficiency, unspecified trimester | Header |
| O36.59 | Maternal care for other known or suspected poor fetal growth | Header |
| O36.591 | Maternal care for other known or suspected poor fetal growth, first trimester | Header |
| O36.592 | Maternal care for other known or suspected poor fetal growth, second trimester | Header |
| O36.593 | Maternal care for other known or suspected poor fetal growth, third trimester | Header |
| O36.599 | Maternal care for other known or suspected poor fetal growth, unspecified trimester | Header |
| O36.6 | Maternal care for excessive fetal growth | Header |
| O36.60 | Maternal care for excessive fetal growth, unspecified trimester | Header |
| O36.61 | Maternal care for excessive fetal growth, first trimester | Header |
| O36.62 | Maternal care for excessive fetal growth, second trimester | Header |
| O36.63 | Maternal care for excessive fetal growth, third trimester | Header |
| O36.7 | Maternal care for viable fetus in abdominal pregnancy | Header |
| O36.70 | Maternal care for viable fetus in abdominal pregnancy, unspecified trimester | Header |
| O36.71 | Maternal care for viable fetus in abdominal pregnancy, first trimester | Header |
| O36.72 | Maternal care for viable fetus in abdominal pregnancy, second trimester | Header |
| O36.73 | Maternal care for viable fetus in abdominal pregnancy, third trimester | Header |
| O36.8 | Maternal care for other specified fetal problems | Header |
| O36.80 | Pregnancy with inconclusive fetal viability | Header |
| O36.81 | Decreased fetal movements | Header |
| O36.812 | Decreased fetal movements, second trimester | Header |
| O36.813 | Decreased fetal movements, third trimester | Header |
| O36.819 | Decreased fetal movements, unspecified trimester | Header |
| O36.82 | Fetal anemia and thrombocytopenia | Header |
| O36.821 | Fetal anemia and thrombocytopenia, first trimester | Header |
| O36.822 | Fetal anemia and thrombocytopenia, second trimester | Header |
| O36.823 | Fetal anemia and thrombocytopenia, third trimester | Header |
| O36.829 | Fetal anemia and thrombocytopenia, unspecified trimester | Header |
| O36.83 | Maternal care for abnormalities of the fetal heart rate or rhythm | Header |
| O36.831 | Maternal care for abnormalities of the fetal heart rate or rhythm, first trimester | Header |
| O36.832 | Maternal care for abnormalities of the fetal heart rate or rhythm, second trimester | Header |
| O36.833 | Maternal care for abnormalities of the fetal heart rate or rhythm, third trimester | Header |
| O36.839 | Maternal care for abnormalities of the fetal heart rate or rhythm, unspecified trimester | Header |
| O36.89 | Maternal care for other specified fetal problems | Header |
| O36.891 | Maternal care for other specified fetal problems, first trimester | Header |
| O36.892 | Maternal care for other specified fetal problems, second trimester | Header |
| O36.893 | Maternal care for other specified fetal problems, third trimester | Header |
| O36.899 | Maternal care for other specified fetal problems, unspecified trimester | Header |
| O36.9 | Maternal care for fetal problem, unspecified | Header |
| O36.90 | Maternal care for fetal problem, unspecified, unspecified trimester | Header |
| O36.91 | Maternal care for fetal problem, unspecified, first trimester | Header |
| O36.92 | Maternal care for fetal problem, unspecified, second trimester | Header |
| O36.93 | Maternal care for fetal problem, unspecified, third trimester | Header |
O40
Polyhydramnios
4 subcodes
| O40.1 | Polyhydramnios, first trimester | Header |
| O40.2 | Polyhydramnios, second trimester | Header |
| O40.3 | Polyhydramnios, third trimester | Header |
| O40.9 | Polyhydramnios, unspecified trimester | Header |
O41
Other disorders of amniotic fluid and membranes
32 subcodes
| O41.0 | Oligohydramnios | Header |
| O41.00 | Oligohydramnios, unspecified trimester | Header |
| O41.01 | Oligohydramnios, first trimester | Header |
| O41.02 | Oligohydramnios, second trimester | Header |
| O41.03 | Oligohydramnios, third trimester | Header |
| O41.1 | Infection of amniotic sac and membranes | Header |
| O41.10 | Infection of amniotic sac and membranes, unspecified | Header |
| O41.101 | Infection of amniotic sac and membranes, unspecified, first trimester | Header |
| O41.102 | Infection of amniotic sac and membranes, unspecified, second trimester | Header |
| O41.103 | Infection of amniotic sac and membranes, unspecified, third trimester | Header |
| O41.109 | Infection of amniotic sac and membranes, unspecified, unspecified trimester | Header |
| O41.12 | Chorioamnionitis | Header |
| O41.121 | Chorioamnionitis, first trimester | Header |
| O41.122 | Chorioamnionitis, second trimester | Header |
| O41.123 | Chorioamnionitis, third trimester | Header |
| O41.129 | Chorioamnionitis, unspecified trimester | Header |
| O41.14 | Placentitis | Header |
| O41.141 | Placentitis, first trimester | Header |
| O41.142 | Placentitis, second trimester | Header |
| O41.143 | Placentitis, third trimester | Header |
| O41.149 | Placentitis, unspecified trimester | Header |
| O41.8 | Other specified disorders of amniotic fluid and membranes | Header |
| O41.8X | Other specified disorders of amniotic fluid and membranes | Header |
| O41.8X1 | Other specified disorders of amniotic fluid and membranes, first trimester | Header |
| O41.8X2 | Other specified disorders of amniotic fluid and membranes, second trimester | Header |
| O41.8X3 | Other specified disorders of amniotic fluid and membranes, third trimester | Header |
| O41.8X9 | Other specified disorders of amniotic fluid and membranes, unspecified trimester | Header |
| O41.9 | Disorder of amniotic fluid and membranes, unspecified | Header |
| O41.90 | Disorder of amniotic fluid and membranes, unspecified, unspecified trimester | Header |
| O41.91 | Disorder of amniotic fluid and membranes, unspecified, first trimester | Header |
| O41.92 | Disorder of amniotic fluid and membranes, unspecified, second trimester | Header |
| O41.93 | Disorder of amniotic fluid and membranes, unspecified, third trimester | Header |
O42
Premature rupture of membranes
24 subcodes
| O42.0 | Premature rupture of membranes, onset of labor within 24 hours of rupture | Header |
| O42.00 | Premature rupture of membranes, onset of labor within 24 hours of rupture, unspecified weeks of gestation | Billable |
| O42.01 | Preterm premature rupture of membranes, onset of labor within 24 hours of rupture | Header |
| O42.011 | Preterm premature rupture of membranes, onset of labor within 24 hours of rupture, first trimester | Billable |
| O42.012 | Preterm premature rupture of membranes, onset of labor within 24 hours of rupture, second trimester | Billable |
| O42.013 | Preterm premature rupture of membranes, onset of labor within 24 hours of rupture, third trimester | Billable |
| O42.019 | Preterm premature rupture of membranes, onset of labor within 24 hours of rupture, unspecified trimester | Billable |
| O42.02 | Full-term premature rupture of membranes, onset of labor within 24 hours of rupture | Billable |
| O42.1 | Premature rupture of membranes, onset of labor more than 24 hours following rupture | Header |
| O42.10 | Premature rupture of membranes, onset of labor more than 24 hours following rupture, unspecified weeks of gestation | Billable |
| O42.11 | Preterm premature rupture of membranes, onset of labor more than 24 hours following rupture | Header |
| O42.111 | Preterm premature rupture of membranes, onset of labor more than 24 hours following rupture, first trimester | Billable |
| O42.112 | Preterm premature rupture of membranes, onset of labor more than 24 hours following rupture, second trimester | Billable |
| O42.113 | Preterm premature rupture of membranes, onset of labor more than 24 hours following rupture, third trimester | Billable |
| O42.119 | Preterm premature rupture of membranes, onset of labor more than 24 hours following rupture, unspecified trimester | Billable |
| O42.12 | Full-term premature rupture of membranes, onset of labor more than 24 hours following rupture | Billable |
| O42.9 | Premature rupture of membranes, unspecified as to length of time between rupture and onset of labor | Header |
| O42.90 | Premature rupture of membranes, unspecified as to length of time between rupture and onset of labor, unspecified weeks of gestation | Billable |
| O42.91 | Preterm premature rupture of membranes, unspecified as to length of time between rupture and onset of labor | Header |
| O42.911 | Preterm premature rupture of membranes, unspecified as to length of time between rupture and onset of labor, first trimester | Billable |
| O42.912 | Preterm premature rupture of membranes, unspecified as to length of time between rupture and onset of labor, second trimester | Billable |
| O42.913 | Preterm premature rupture of membranes, unspecified as to length of time between rupture and onset of labor, third trimester | Billable |
| O42.919 | Preterm premature rupture of membranes, unspecified as to length of time between rupture and onset of labor, unspecified trimester | Billable |
| O42.92 | Full-term premature rupture of membranes, unspecified as to length of time between rupture and onset of labor | Billable |
O43
Placental disorders
64 subcodes
| O43.0 | Placental transfusion syndromes | Header |
| O43.01 | Fetomaternal placental transfusion syndrome | Header |
| O43.011 | Fetomaternal placental transfusion syndrome, first trimester | Billable |
| O43.012 | Fetomaternal placental transfusion syndrome, second trimester | Billable |
| O43.013 | Fetomaternal placental transfusion syndrome, third trimester | Billable |
| O43.019 | Fetomaternal placental transfusion syndrome, unspecified trimester | Billable |
| O43.02 | Fetus-to-fetus placental transfusion syndrome | Header |
| O43.021 | Fetus-to-fetus placental transfusion syndrome, first trimester | Billable |
| O43.022 | Fetus-to-fetus placental transfusion syndrome, second trimester | Billable |
| O43.023 | Fetus-to-fetus placental transfusion syndrome, third trimester | Billable |
| O43.029 | Fetus-to-fetus placental transfusion syndrome, unspecified trimester | Billable |
| O43.1 | Malformation of placenta | Header |
| O43.10 | Malformation of placenta, unspecified | Header |
| O43.101 | Malformation of placenta, unspecified, first trimester | Billable |
| O43.102 | Malformation of placenta, unspecified, second trimester | Billable |
| O43.103 | Malformation of placenta, unspecified, third trimester | Billable |
| O43.109 | Malformation of placenta, unspecified, unspecified trimester | Billable |
| O43.11 | Circumvallate placenta | Header |
| O43.111 | Circumvallate placenta, first trimester | Billable |
| O43.112 | Circumvallate placenta, second trimester | Billable |
| O43.113 | Circumvallate placenta, third trimester | Billable |
| O43.119 | Circumvallate placenta, unspecified trimester | Billable |
| O43.12 | Velamentous insertion of umbilical cord | Header |
| O43.121 | Velamentous insertion of umbilical cord, first trimester | Billable |
| O43.122 | Velamentous insertion of umbilical cord, second trimester | Billable |
| O43.123 | Velamentous insertion of umbilical cord, third trimester | Billable |
| O43.129 | Velamentous insertion of umbilical cord, unspecified trimester | Billable |
| O43.19 | Other malformation of placenta | Header |
| O43.191 | Other malformation of placenta, first trimester | Billable |
| O43.192 | Other malformation of placenta, second trimester | Billable |
| O43.193 | Other malformation of placenta, third trimester | Billable |
| O43.199 | Other malformation of placenta, unspecified trimester | Billable |
| O43.2 | Morbidly adherent placenta | Header |
| O43.21 | Placenta accreta | Header |
| O43.211 | Placenta accreta, first trimester | Billable |
| O43.212 | Placenta accreta, second trimester | Billable |
| O43.213 | Placenta accreta, third trimester | Billable |
| O43.219 | Placenta accreta, unspecified trimester | Billable |
| O43.22 | Placenta increta | Header |
| O43.221 | Placenta increta, first trimester | Billable |
| O43.222 | Placenta increta, second trimester | Billable |
| O43.223 | Placenta increta, third trimester | Billable |
| O43.229 | Placenta increta, unspecified trimester | Billable |
| O43.23 | Placenta percreta | Header |
| O43.231 | Placenta percreta, first trimester | Billable |
| O43.232 | Placenta percreta, second trimester | Billable |
| O43.233 | Placenta percreta, third trimester | Billable |
| O43.239 | Placenta percreta, unspecified trimester | Billable |
| O43.8 | Other placental disorders | Header |
| O43.81 | Placental infarction | Header |
| O43.811 | Placental infarction, first trimester | Billable |
| O43.812 | Placental infarction, second trimester | Billable |
| O43.813 | Placental infarction, third trimester | Billable |
| O43.819 | Placental infarction, unspecified trimester | Billable |
| O43.89 | Other placental disorders | Header |
| O43.891 | Other placental disorders, first trimester | Billable |
| O43.892 | Other placental disorders, second trimester | Billable |
| O43.893 | Other placental disorders, third trimester | Billable |
| O43.899 | Other placental disorders, unspecified trimester | Billable |
| O43.9 | Unspecified placental disorder | Header |
| O43.90 | Unspecified placental disorder, unspecified trimester | Billable |
| O43.91 | Unspecified placental disorder, first trimester | Billable |
| O43.92 | Unspecified placental disorder, second trimester | Billable |
| O43.93 | Unspecified placental disorder, third trimester | Billable |
O44
Placenta previa
30 subcodes
| O44.0 | Complete placenta previa NOS or without hemorrhage | Header |
| O44.00 | Complete placenta previa NOS or without hemorrhage, unspecified trimester | Billable |
| O44.01 | Complete placenta previa NOS or without hemorrhage, first trimester | Billable |
| O44.02 | Complete placenta previa NOS or without hemorrhage, second trimester | Billable |
| O44.03 | Complete placenta previa NOS or without hemorrhage, third trimester | Billable |
| O44.1 | Complete placenta previa with hemorrhage | Header |
| O44.10 | Complete placenta previa with hemorrhage, unspecified trimester | Billable |
| O44.11 | Complete placenta previa with hemorrhage, first trimester | Billable |
| O44.12 | Complete placenta previa with hemorrhage, second trimester | Billable |
| O44.13 | Complete placenta previa with hemorrhage, third trimester | Billable |
| O44.2 | Partial placenta previa without hemorrhage | Header |
| O44.20 | Partial placenta previa NOS or without hemorrhage, unspecified trimester | Billable |
| O44.21 | Partial placenta previa NOS or without hemorrhage, first trimester | Billable |
| O44.22 | Partial placenta previa NOS or without hemorrhage, second trimester | Billable |
| O44.23 | Partial placenta previa NOS or without hemorrhage, third trimester | Billable |
| O44.3 | Partial placenta previa with hemorrhage | Header |
| O44.30 | Partial placenta previa with hemorrhage, unspecified trimester | Billable |
| O44.31 | Partial placenta previa with hemorrhage, first trimester | Billable |
| O44.32 | Partial placenta previa with hemorrhage, second trimester | Billable |
| O44.33 | Partial placenta previa with hemorrhage, third trimester | Billable |
| O44.4 | Low lying placenta NOS or without hemorrhage | Header |
| O44.40 | Low lying placenta NOS or without hemorrhage, unspecified trimester | Billable |
| O44.41 | Low lying placenta NOS or without hemorrhage, first trimester | Billable |
| O44.42 | Low lying placenta NOS or without hemorrhage, second trimester | Billable |
| O44.43 | Low lying placenta NOS or without hemorrhage, third trimester | Billable |
| O44.5 | Low lying placenta with hemorrhage | Header |
| O44.50 | Low lying placenta with hemorrhage, unspecified trimester | Billable |
| O44.51 | Low lying placenta with hemorrhage, first trimester | Billable |
| O44.52 | Low lying placenta with hemorrhage, second trimester | Billable |
| O44.53 | Low lying placenta with hemorrhage, third trimester | Billable |
O45
Premature separation of placenta [abruptio placentae]
32 subcodes
| O45.0 | Premature separation of placenta with coagulation defect | Header |
| O45.00 | Premature separation of placenta with coagulation defect, unspecified | Header |
| O45.001 | Premature separation of placenta with coagulation defect, unspecified, first trimester | Billable |
| O45.002 | Premature separation of placenta with coagulation defect, unspecified, second trimester | Billable |
| O45.003 | Premature separation of placenta with coagulation defect, unspecified, third trimester | Billable |
| O45.009 | Premature separation of placenta with coagulation defect, unspecified, unspecified trimester | Billable |
| O45.01 | Premature separation of placenta with afibrinogenemia | Header |
| O45.011 | Premature separation of placenta with afibrinogenemia, first trimester | Billable |
| O45.012 | Premature separation of placenta with afibrinogenemia, second trimester | Billable |
| O45.013 | Premature separation of placenta with afibrinogenemia, third trimester | Billable |
| O45.019 | Premature separation of placenta with afibrinogenemia, unspecified trimester | Billable |
| O45.02 | Premature separation of placenta with disseminated intravascular coagulation | Header |
| O45.021 | Premature separation of placenta with disseminated intravascular coagulation, first trimester | Billable |
| O45.022 | Premature separation of placenta with disseminated intravascular coagulation, second trimester | Billable |
| O45.023 | Premature separation of placenta with disseminated intravascular coagulation, third trimester | Billable |
| O45.029 | Premature separation of placenta with disseminated intravascular coagulation, unspecified trimester | Billable |
| O45.09 | Premature separation of placenta with other coagulation defect | Header |
| O45.091 | Premature separation of placenta with other coagulation defect, first trimester | Billable |
| O45.092 | Premature separation of placenta with other coagulation defect, second trimester | Billable |
| O45.093 | Premature separation of placenta with other coagulation defect, third trimester | Billable |
| O45.099 | Premature separation of placenta with other coagulation defect, unspecified trimester | Billable |
| O45.8 | Other premature separation of placenta | Header |
| O45.8X | Other premature separation of placenta | Header |
| O45.8X1 | Other premature separation of placenta, first trimester | Billable |
| O45.8X2 | Other premature separation of placenta, second trimester | Billable |
| O45.8X3 | Other premature separation of placenta, third trimester | Billable |
| O45.8X9 | Other premature separation of placenta, unspecified trimester | Billable |
| O45.9 | Premature separation of placenta, unspecified | Header |
| O45.90 | Premature separation of placenta, unspecified, unspecified trimester | Billable |
| O45.91 | Premature separation of placenta, unspecified, first trimester | Billable |
| O45.92 | Premature separation of placenta, unspecified, second trimester | Billable |
| O45.93 | Premature separation of placenta, unspecified, third trimester | Billable |
O46
Antepartum hemorrhage, not elsewhere classified
32 subcodes
| O46.0 | Antepartum hemorrhage with coagulation defect | Header |
| O46.00 | Antepartum hemorrhage with coagulation defect, unspecified | Header |
| O46.001 | Antepartum hemorrhage with coagulation defect, unspecified, first trimester | Billable |
| O46.002 | Antepartum hemorrhage with coagulation defect, unspecified, second trimester | Billable |
| O46.003 | Antepartum hemorrhage with coagulation defect, unspecified, third trimester | Billable |
| O46.009 | Antepartum hemorrhage with coagulation defect, unspecified, unspecified trimester | Billable |
| O46.01 | Antepartum hemorrhage with afibrinogenemia | Header |
| O46.011 | Antepartum hemorrhage with afibrinogenemia, first trimester | Billable |
| O46.012 | Antepartum hemorrhage with afibrinogenemia, second trimester | Billable |
| O46.013 | Antepartum hemorrhage with afibrinogenemia, third trimester | Billable |
| O46.019 | Antepartum hemorrhage with afibrinogenemia, unspecified trimester | Billable |
| O46.02 | Antepartum hemorrhage with disseminated intravascular coagulation | Header |
| O46.021 | Antepartum hemorrhage with disseminated intravascular coagulation, first trimester | Billable |
| O46.022 | Antepartum hemorrhage with disseminated intravascular coagulation, second trimester | Billable |
| O46.023 | Antepartum hemorrhage with disseminated intravascular coagulation, third trimester | Billable |
| O46.029 | Antepartum hemorrhage with disseminated intravascular coagulation, unspecified trimester | Billable |
| O46.09 | Antepartum hemorrhage with other coagulation defect | Header |
| O46.091 | Antepartum hemorrhage with other coagulation defect, first trimester | Billable |
| O46.092 | Antepartum hemorrhage with other coagulation defect, second trimester | Billable |
| O46.093 | Antepartum hemorrhage with other coagulation defect, third trimester | Billable |
| O46.099 | Antepartum hemorrhage with other coagulation defect, unspecified trimester | Billable |
| O46.8 | Other antepartum hemorrhage | Header |
| O46.8X | Other antepartum hemorrhage | Header |
| O46.8X1 | Other antepartum hemorrhage, first trimester | Billable |
| O46.8X2 | Other antepartum hemorrhage, second trimester | Billable |
| O46.8X3 | Other antepartum hemorrhage, third trimester | Billable |
| O46.8X9 | Other antepartum hemorrhage, unspecified trimester | Billable |
| O46.9 | Antepartum hemorrhage, unspecified | Header |
| O46.90 | Antepartum hemorrhage, unspecified, unspecified trimester | Billable |
| O46.91 | Antepartum hemorrhage, unspecified, first trimester | Billable |
| O46.92 | Antepartum hemorrhage, unspecified, second trimester | Billable |
| O46.93 | Antepartum hemorrhage, unspecified, third trimester | Billable |
O47
False labor
6 subcodes
| O47.0 | False labor before 37 completed weeks of gestation | Header |
| O47.00 | False labor before 37 completed weeks of gestation, unspecified trimester | Billable |
| O47.02 | False labor before 37 completed weeks of gestation, second trimester | Billable |
| O47.03 | False labor before 37 completed weeks of gestation, third trimester | Billable |
| O47.1 | False labor at or after 37 completed weeks of gestation | Billable |
| O47.9 | False labor, unspecified | Billable |
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Verified against the CMS 2026 code set on May 31, 2026.
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