ICD-10-CM · Chapter 15 · O00-O9A
O30 Multiple gestation
Code Also
- any complications specific to multiple gestation
Subcodes
Subcodes are listed below for reference. Detail pages are not available for chapters 11–22.
| Code | Description | Billable |
|---|---|---|
| O30..0 | Twin pregnancy | No |
| O30..00 | Twin pregnancy, unspecified number of placenta and unspecified number of amniotic sacs | No |
| O30..001 | Twin pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, first trimester | Yes |
| O30..002 | Twin pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, second trimester | Yes |
| O30..003 | Twin pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, third trimester | Yes |
| O30..009 | Twin pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, unspecified trimester | Yes |
| O30..01 | Twin pregnancy, monochorionic/monoamniotic | No |
| O30..011 | Twin pregnancy, monochorionic/monoamniotic, first trimester | Yes |
| O30..012 | Twin pregnancy, monochorionic/monoamniotic, second trimester | Yes |
| O30..013 | Twin pregnancy, monochorionic/monoamniotic, third trimester | Yes |
| O30..019 | Twin pregnancy, monochorionic/monoamniotic, unspecified trimester | Yes |
| O30..02 | Conjoined twin pregnancy | No |
| O30..021 | Conjoined twin pregnancy, first trimester | Yes |
| O30..022 | Conjoined twin pregnancy, second trimester | Yes |
| O30..023 | Conjoined twin pregnancy, third trimester | Yes |
| O30..029 | Conjoined twin pregnancy, unspecified trimester | Yes |
| O30..03 | Twin pregnancy, monochorionic/diamniotic | No |
| O30..031 | Twin pregnancy, monochorionic/diamniotic, first trimester | Yes |
| O30..032 | Twin pregnancy, monochorionic/diamniotic, second trimester | Yes |
| O30..033 | Twin pregnancy, monochorionic/diamniotic, third trimester | Yes |
| O30..039 | Twin pregnancy, monochorionic/diamniotic, unspecified trimester | Yes |
| O30..04 | Twin pregnancy, dichorionic/diamniotic | No |
| O30..041 | Twin pregnancy, dichorionic/diamniotic, first trimester | Yes |
| O30..042 | Twin pregnancy, dichorionic/diamniotic, second trimester | Yes |
| O30..043 | Twin pregnancy, dichorionic/diamniotic, third trimester | Yes |
| O30..049 | Twin pregnancy, dichorionic/diamniotic, unspecified trimester | Yes |
| O30..09 | Twin pregnancy, unable to determine number of placenta and number of amniotic sacs | No |
| O30..091 | Twin pregnancy, unable to determine number of placenta and number of amniotic sacs, first trimester | Yes |
| O30..092 | Twin pregnancy, unable to determine number of placenta and number of amniotic sacs, second trimester | Yes |
| O30..093 | Twin pregnancy, unable to determine number of placenta and number of amniotic sacs, third trimester | Yes |
| O30..099 | Twin pregnancy, unable to determine number of placenta and number of amniotic sacs, unspecified trimester | Yes |
| O30..1 | Triplet pregnancy | No |
| O30..10 | Triplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs | No |
| O30..101 | Triplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, first trimester | Yes |
| O30..102 | Triplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, second trimester | Yes |
| O30..103 | Triplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, third trimester | Yes |
| O30..109 | Triplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, unspecified trimester | Yes |
| O30..11 | Triplet pregnancy with two or more monochorionic fetuses | No |
| O30..111 | Triplet pregnancy with two or more monochorionic fetuses, first trimester | Yes |
| O30..112 | Triplet pregnancy with two or more monochorionic fetuses, second trimester | Yes |
| O30..113 | Triplet pregnancy with two or more monochorionic fetuses, third trimester | Yes |
| O30..119 | Triplet pregnancy with two or more monochorionic fetuses, unspecified trimester | Yes |
| O30..12 | Triplet pregnancy with two or more monoamniotic fetuses | No |
| O30..121 | Triplet pregnancy with two or more monoamniotic fetuses, first trimester | Yes |
| O30..122 | Triplet pregnancy with two or more monoamniotic fetuses, second trimester | Yes |
| O30..123 | Triplet pregnancy with two or more monoamniotic fetuses, third trimester | Yes |
| O30..129 | Triplet pregnancy with two or more monoamniotic fetuses, unspecified trimester | Yes |
| O30..13 | Triplet pregnancy, trichorionic/triamniotic | No |
| O30..131 | Triplet pregnancy, trichorionic/triamniotic, first trimester | Yes |
| O30..132 | Triplet pregnancy, trichorionic/triamniotic, second trimester | Yes |
| O30..133 | Triplet pregnancy, trichorionic/triamniotic, third trimester | Yes |
| O30..139 | Triplet pregnancy, trichorionic/triamniotic, unspecified trimester | Yes |
| O30..19 | Triplet pregnancy, unable to determine number of placenta and number of amniotic sacs | No |
| O30..191 | Triplet pregnancy, unable to determine number of placenta and number of amniotic sacs, first trimester | Yes |
| O30..192 | Triplet pregnancy, unable to determine number of placenta and number of amniotic sacs, second trimester | Yes |
| O30..193 | Triplet pregnancy, unable to determine number of placenta and number of amniotic sacs, third trimester | Yes |
| O30..199 | Triplet pregnancy, unable to determine number of placenta and number of amniotic sacs, unspecified trimester | Yes |
| O30..2 | Quadruplet pregnancy | No |
| O30..20 | Quadruplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs | No |
| O30..201 | Quadruplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, first trimester | Yes |
| O30..202 | Quadruplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, second trimester | Yes |
| O30..203 | Quadruplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, third trimester | Yes |
| O30..209 | Quadruplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, unspecified trimester | Yes |
| O30..21 | Quadruplet pregnancy with two or more monochorionic fetuses | No |
| O30..211 | Quadruplet pregnancy with two or more monochorionic fetuses, first trimester | Yes |
| O30..212 | Quadruplet pregnancy with two or more monochorionic fetuses, second trimester | Yes |
| O30..213 | Quadruplet pregnancy with two or more monochorionic fetuses, third trimester | Yes |
| O30..219 | Quadruplet pregnancy with two or more monochorionic fetuses, unspecified trimester | Yes |
| O30..22 | Quadruplet pregnancy with two or more monoamniotic fetuses | No |
| O30..221 | Quadruplet pregnancy with two or more monoamniotic fetuses, first trimester | Yes |
| O30..222 | Quadruplet pregnancy with two or more monoamniotic fetuses, second trimester | Yes |
| O30..223 | Quadruplet pregnancy with two or more monoamniotic fetuses, third trimester | Yes |
| O30..229 | Quadruplet pregnancy with two or more monoamniotic fetuses, unspecified trimester | Yes |
| O30..23 | Quadruplet pregnancy, quadrachorionic/quadra-amniotic | No |
| O30..231 | Quadruplet pregnancy, quadrachorionic/quadra-amniotic, first trimester | Yes |
| O30..232 | Quadruplet pregnancy, quadrachorionic/quadra-amniotic, second trimester | Yes |
| O30..233 | Quadruplet pregnancy, quadrachorionic/quadra-amniotic, third trimester | Yes |
| O30..239 | Quadruplet pregnancy, quadrachorionic/quadra-amniotic, unspecified trimester | Yes |
| O30..29 | Quadruplet pregnancy, unable to determine number of placenta and number of amniotic sacs | No |
| O30..291 | Quadruplet pregnancy, unable to determine number of placenta and number of amniotic sacs, first trimester | Yes |
| O30..292 | Quadruplet pregnancy, unable to determine number of placenta and number of amniotic sacs, second trimester | Yes |
| O30..293 | Quadruplet pregnancy, unable to determine number of placenta and number of amniotic sacs, third trimester | Yes |
| O30..299 | Quadruplet pregnancy, unable to determine number of placenta and number of amniotic sacs, unspecified trimester | Yes |
| O30..8 | Other specified multiple gestation | No |
| O30..80 | Other specified multiple gestation, unspecified number of placenta and unspecified number of amniotic sacs | No |
| O30..801 | Other specified multiple gestation, unspecified number of placenta and unspecified number of amniotic sacs, first trimester | Yes |
| O30..802 | Other specified multiple gestation, unspecified number of placenta and unspecified number of amniotic sacs, second trimester | Yes |
| O30..803 | Other specified multiple gestation, unspecified number of placenta and unspecified number of amniotic sacs, third trimester | Yes |
| O30..809 | Other specified multiple gestation, unspecified number of placenta and unspecified number of amniotic sacs, unspecified trimester | Yes |
| O30..81 | Other specified multiple gestation with two or more monochorionic fetuses | No |
| O30..811 | Other specified multiple gestation with two or more monochorionic fetuses, first trimester | Yes |
| O30..812 | Other specified multiple gestation with two or more monochorionic fetuses, second trimester | Yes |
| O30..813 | Other specified multiple gestation with two or more monochorionic fetuses, third trimester | Yes |
| O30..819 | Other specified multiple gestation with two or more monochorionic fetuses, unspecified trimester | Yes |
| O30..82 | Other specified multiple gestation with two or more monoamniotic fetuses | No |
| O30..821 | Other specified multiple gestation with two or more monoamniotic fetuses, first trimester | Yes |
| O30..822 | Other specified multiple gestation with two or more monoamniotic fetuses, second trimester | Yes |
| O30..823 | Other specified multiple gestation with two or more monoamniotic fetuses, third trimester | Yes |
| O30..829 | Other specified multiple gestation with two or more monoamniotic fetuses, unspecified trimester | Yes |
| O30..83 | Other specified multiple gestation, number of chorions and amnions are both equal to the number of fetuses | No |
| O30..831 | Other specified multiple gestation, number of chorions and amnions are both equal to the number of fetuses, first trimester | Yes |
| O30..832 | Other specified multiple gestation, number of chorions and amnions are both equal to the number of fetuses, second trimester | Yes |
| O30..833 | Other specified multiple gestation, number of chorions and amnions are both equal to the number of fetuses, third trimester | Yes |
| O30..839 | Other specified multiple gestation, number of chorions and amnions are both equal to the number of fetuses, unspecified trimester | Yes |
| O30..89 | Other specified multiple gestation, unable to determine number of placenta and number of amniotic sacs | No |
| O30..891 | Other specified multiple gestation, unable to determine number of placenta and number of amniotic sacs, first trimester | Yes |
| O30..892 | Other specified multiple gestation, unable to determine number of placenta and number of amniotic sacs, second trimester | Yes |
| O30..893 | Other specified multiple gestation, unable to determine number of placenta and number of amniotic sacs, third trimester | Yes |
| O30..899 | Other specified multiple gestation, unable to determine number of placenta and number of amniotic sacs, unspecified trimester | Yes |
| O30..9 | Multiple gestation, unspecified | No |
| O30..90 | Multiple gestation, unspecified, unspecified trimester | Yes |
| O30..91 | Multiple gestation, unspecified, first trimester | Yes |
| O30..92 | Multiple gestation, unspecified, second trimester | Yes |
| O30..93 | Multiple gestation, unspecified, third trimester | Yes |
Last reviewed: September 2026