ICD-10-CM category
O30: Multiple gestation
Codes under O30 (Multiple gestation). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| O30.0 | Twin pregnancy | — |
| O30.0 | Twin pregnancy | — |
| O30.00 | Twin pregnancy, unspecified number of placenta and unspecified number of amniotic sacs | — |
| O30.00 | Twin pregnancy, unspecified number of placenta and unspecified number of amniotic sacs | — |
| O30.001 | Twin pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, first trimester | ✓ |
| O30.001 | Twin pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, first trimester | ✓ |
| O30.01 | Twin pregnancy, monochorionic/monoamniotic | — |
| O30.01 | Twin pregnancy, monochorionic/monoamniotic | — |
| O30.1 | Triplet pregnancy | — |
| O30.1 | Triplet pregnancy | — |
| O30.002 | Twin pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, second trimester | ✓ |
| O30.002 | Twin pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, second trimester | ✓ |
| O30.02 | Conjoined twin pregnancy | — |
| O30.02 | Conjoined twin pregnancy | — |
| O30.2 | Quadruplet pregnancy | — |
| O30.2 | Quadruplet pregnancy | — |
| O30.003 | Twin pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, third trimester | ✓ |
| O30.003 | Twin pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, third trimester | ✓ |
| O30.03 | Twin pregnancy, monochorionic/diamniotic | — |
| O30.03 | Twin pregnancy, monochorionic/diamniotic | — |
| O30.04 | Twin pregnancy, dichorionic/diamniotic | — |
| O30.04 | Twin pregnancy, dichorionic/diamniotic | — |
| O30.8 | Other specified multiple gestation | — |
| O30.8 | Other specified multiple gestation | — |
| O30.009 | Twin pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, unspecified trimester | ✓ |
| O30.009 | Twin pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, unspecified trimester | ✓ |
| O30.09 | Twin pregnancy, unable to determine number of placenta and number of amniotic sacs | — |
| O30.09 | Twin pregnancy, unable to determine number of placenta and number of amniotic sacs | — |
| O30.9 | Multiple gestation, unspecified | — |
| O30.9 | Multiple gestation, unspecified | — |
| O30.10 | Triplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs | — |
| O30.10 | Triplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs | — |
| O30.011 | Twin pregnancy, monochorionic/monoamniotic, first trimester | ✓ |
| O30.011 | Twin pregnancy, monochorionic/monoamniotic, first trimester | ✓ |
| O30.11 | Triplet pregnancy with two or more monochorionic fetuses | — |
| O30.11 | Triplet pregnancy with two or more monochorionic fetuses | — |
| O30.012 | Twin pregnancy, monochorionic/monoamniotic, second trimester | ✓ |
| O30.012 | Twin pregnancy, monochorionic/monoamniotic, second trimester | ✓ |
| O30.12 | Triplet pregnancy with two or more monoamniotic fetuses | — |
| O30.12 | Triplet pregnancy with two or more monoamniotic fetuses | — |
| O30.013 | Twin pregnancy, monochorionic/monoamniotic, third trimester | ✓ |
| O30.013 | Twin pregnancy, monochorionic/monoamniotic, third trimester | ✓ |
| O30.13 | Triplet pregnancy, trichorionic/triamniotic | — |
| O30.13 | Triplet pregnancy, trichorionic/triamniotic | — |
| O30.019 | Twin pregnancy, monochorionic/monoamniotic, unspecified trimester | ✓ |
| O30.019 | Twin pregnancy, monochorionic/monoamniotic, unspecified trimester | ✓ |
| O30.19 | Triplet pregnancy, unable to determine number of placenta and number of amniotic sacs | — |
| O30.19 | Triplet pregnancy, unable to determine number of placenta and number of amniotic sacs | — |
| O30.20 | Quadruplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs | — |
| O30.20 | Quadruplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs | — |
| O30.021 | Conjoined twin pregnancy, first trimester | ✓ |
| O30.021 | Conjoined twin pregnancy, first trimester | ✓ |
| O30.21 | Quadruplet pregnancy with two or more monochorionic fetuses | — |
| O30.21 | Quadruplet pregnancy with two or more monochorionic fetuses | — |
| O30.022 | Conjoined twin pregnancy, second trimester | ✓ |
| O30.022 | Conjoined twin pregnancy, second trimester | ✓ |
| O30.22 | Quadruplet pregnancy with two or more monoamniotic fetuses | — |
| O30.22 | Quadruplet pregnancy with two or more monoamniotic fetuses | — |
| O30.023 | Conjoined twin pregnancy, third trimester | ✓ |
| O30.023 | Conjoined twin pregnancy, third trimester | ✓ |
| O30.23 | Quadruplet pregnancy, quadrachorionic/quadra-amniotic | — |
| O30.23 | Quadruplet pregnancy, quadrachorionic/quadra-amniotic | — |
| O30.029 | Conjoined twin pregnancy, unspecified trimester | ✓ |
| O30.029 | Conjoined twin pregnancy, unspecified trimester | ✓ |
| O30.29 | Quadruplet pregnancy, unable to determine number of placenta and number of amniotic sacs | — |
| O30.29 | Quadruplet pregnancy, unable to determine number of placenta and number of amniotic sacs | — |
| O30.031 | Twin pregnancy, monochorionic/diamniotic, first trimester | ✓ |
| O30.031 | Twin pregnancy, monochorionic/diamniotic, first trimester | ✓ |
| O30.032 | Twin pregnancy, monochorionic/diamniotic, second trimester | ✓ |
| O30.032 | Twin pregnancy, monochorionic/diamniotic, second trimester | ✓ |
| O30.033 | Twin pregnancy, monochorionic/diamniotic, third trimester | ✓ |
| O30.033 | Twin pregnancy, monochorionic/diamniotic, third trimester | ✓ |
| O30.039 | Twin pregnancy, monochorionic/diamniotic, unspecified trimester | ✓ |
| O30.039 | Twin pregnancy, monochorionic/diamniotic, unspecified trimester | ✓ |
| O30.041 | Twin pregnancy, dichorionic/diamniotic, first trimester | ✓ |
| O30.041 | Twin pregnancy, dichorionic/diamniotic, first trimester | ✓ |
| O30.042 | Twin pregnancy, dichorionic/diamniotic, second trimester | ✓ |
| O30.042 | Twin pregnancy, dichorionic/diamniotic, second trimester | ✓ |
| O30.043 | Twin pregnancy, dichorionic/diamniotic, third trimester | ✓ |
| O30.043 | Twin pregnancy, dichorionic/diamniotic, third trimester | ✓ |
| O30.049 | Twin pregnancy, dichorionic/diamniotic, unspecified trimester | ✓ |
| O30.049 | Twin pregnancy, dichorionic/diamniotic, unspecified trimester | ✓ |
| O30.80 | Other specified multiple gestation, unspecified number of placenta and unspecified number of amniotic sacs | — |
| O30.80 | Other specified multiple gestation, unspecified number of placenta and unspecified number of amniotic sacs | — |
| O30.81 | Other specified multiple gestation with two or more monochorionic fetuses | — |
| O30.81 | Other specified multiple gestation with two or more monochorionic fetuses | — |
| O30.82 | Other specified multiple gestation with two or more monoamniotic fetuses | — |
| O30.82 | Other specified multiple gestation with two or more monoamniotic fetuses | — |
| O30.83 | Other specified multiple gestation, number of chorions and amnions are both equal to the number of fetuses | — |
| O30.83 | Other specified multiple gestation, number of chorions and amnions are both equal to the number of fetuses | — |
| O30.89 | Other specified multiple gestation, unable to determine number of placenta and number of amniotic sacs | — |
| O30.89 | Other specified multiple gestation, unable to determine number of placenta and number of amniotic sacs | — |
| O30.90 | Multiple gestation, unspecified, unspecified trimester | ✓ |
| O30.90 | Multiple gestation, unspecified, unspecified trimester | ✓ |
| O30.091 | Twin pregnancy, unable to determine number of placenta and number of amniotic sacs, first trimester | ✓ |
| O30.091 | Twin pregnancy, unable to determine number of placenta and number of amniotic sacs, first trimester | ✓ |
| O30.91 | Multiple gestation, unspecified, first trimester | ✓ |
| O30.91 | Multiple gestation, unspecified, first trimester | ✓ |
| O30.092 | Twin pregnancy, unable to determine number of placenta and number of amniotic sacs, second trimester | ✓ |
| O30.092 | Twin pregnancy, unable to determine number of placenta and number of amniotic sacs, second trimester | ✓ |
| O30.92 | Multiple gestation, unspecified, second trimester | ✓ |
| O30.92 | Multiple gestation, unspecified, second trimester | ✓ |
| O30.093 | Twin pregnancy, unable to determine number of placenta and number of amniotic sacs, third trimester | ✓ |
| O30.093 | Twin pregnancy, unable to determine number of placenta and number of amniotic sacs, third trimester | ✓ |
| O30.93 | Multiple gestation, unspecified, third trimester | ✓ |
| O30.93 | Multiple gestation, unspecified, third trimester | ✓ |
| O30.099 | Twin pregnancy, unable to determine number of placenta and number of amniotic sacs, unspecified trimester | ✓ |
| O30.099 | Twin pregnancy, unable to determine number of placenta and number of amniotic sacs, unspecified trimester | ✓ |
| O30.101 | Triplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, first trimester | ✓ |
| O30.101 | Triplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, first trimester | ✓ |
| O30.102 | Triplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, second trimester | ✓ |
| O30.102 | Triplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, second trimester | ✓ |
| O30.103 | Triplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, third trimester | ✓ |
| O30.103 | Triplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, third trimester | ✓ |
| O30.109 | Triplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, unspecified trimester | ✓ |
| O30.109 | Triplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, unspecified trimester | ✓ |
| O30.111 | Triplet pregnancy with two or more monochorionic fetuses, first trimester | ✓ |
| O30.111 | Triplet pregnancy with two or more monochorionic fetuses, first trimester | ✓ |
| O30.112 | Triplet pregnancy with two or more monochorionic fetuses, second trimester | ✓ |
| O30.112 | Triplet pregnancy with two or more monochorionic fetuses, second trimester | ✓ |
| O30.113 | Triplet pregnancy with two or more monochorionic fetuses, third trimester | ✓ |
| O30.113 | Triplet pregnancy with two or more monochorionic fetuses, third trimester | ✓ |
| O30.119 | Triplet pregnancy with two or more monochorionic fetuses, unspecified trimester | ✓ |
| O30.119 | Triplet pregnancy with two or more monochorionic fetuses, unspecified trimester | ✓ |
| O30.121 | Triplet pregnancy with two or more monoamniotic fetuses, first trimester | ✓ |
| O30.121 | Triplet pregnancy with two or more monoamniotic fetuses, first trimester | ✓ |
| O30.122 | Triplet pregnancy with two or more monoamniotic fetuses, second trimester | ✓ |
| O30.122 | Triplet pregnancy with two or more monoamniotic fetuses, second trimester | ✓ |
| O30.123 | Triplet pregnancy with two or more monoamniotic fetuses, third trimester | ✓ |
| O30.123 | Triplet pregnancy with two or more monoamniotic fetuses, third trimester | ✓ |
| O30.129 | Triplet pregnancy with two or more monoamniotic fetuses, unspecified trimester | ✓ |
| O30.129 | Triplet pregnancy with two or more monoamniotic fetuses, unspecified trimester | ✓ |
| O30.131 | Triplet pregnancy, trichorionic/triamniotic, first trimester | ✓ |
| O30.131 | Triplet pregnancy, trichorionic/triamniotic, first trimester | ✓ |
| O30.132 | Triplet pregnancy, trichorionic/triamniotic, second trimester | ✓ |
| O30.132 | Triplet pregnancy, trichorionic/triamniotic, second trimester | ✓ |
| O30.133 | Triplet pregnancy, trichorionic/triamniotic, third trimester | ✓ |
| O30.133 | Triplet pregnancy, trichorionic/triamniotic, third trimester | ✓ |
| O30.139 | Triplet pregnancy, trichorionic/triamniotic, unspecified trimester | ✓ |
| O30.139 | Triplet pregnancy, trichorionic/triamniotic, unspecified trimester | ✓ |
| O30.191 | Triplet pregnancy, unable to determine number of placenta and number of amniotic sacs, first trimester | ✓ |
| O30.191 | Triplet pregnancy, unable to determine number of placenta and number of amniotic sacs, first trimester | ✓ |
| O30.192 | Triplet pregnancy, unable to determine number of placenta and number of amniotic sacs, second trimester | ✓ |
| O30.192 | Triplet pregnancy, unable to determine number of placenta and number of amniotic sacs, second trimester | ✓ |
| O30.193 | Triplet pregnancy, unable to determine number of placenta and number of amniotic sacs, third trimester | ✓ |
| O30.193 | Triplet pregnancy, unable to determine number of placenta and number of amniotic sacs, third trimester | ✓ |
| O30.199 | Triplet pregnancy, unable to determine number of placenta and number of amniotic sacs, unspecified trimester | ✓ |
| O30.199 | Triplet pregnancy, unable to determine number of placenta and number of amniotic sacs, unspecified trimester | ✓ |
| O30.201 | Quadruplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, first trimester | ✓ |
| O30.201 | Quadruplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, first trimester | ✓ |
| O30.202 | Quadruplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, second trimester | ✓ |
| O30.202 | Quadruplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, second trimester | ✓ |
| O30.203 | Quadruplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, third trimester | ✓ |
| O30.203 | Quadruplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, third trimester | ✓ |
| O30.209 | Quadruplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, unspecified trimester | ✓ |
| O30.209 | Quadruplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, unspecified trimester | ✓ |
| O30.211 | Quadruplet pregnancy with two or more monochorionic fetuses, first trimester | ✓ |
| O30.211 | Quadruplet pregnancy with two or more monochorionic fetuses, first trimester | ✓ |
| O30.212 | Quadruplet pregnancy with two or more monochorionic fetuses, second trimester | ✓ |
| O30.212 | Quadruplet pregnancy with two or more monochorionic fetuses, second trimester | ✓ |
| O30.213 | Quadruplet pregnancy with two or more monochorionic fetuses, third trimester | ✓ |
| O30.213 | Quadruplet pregnancy with two or more monochorionic fetuses, third trimester | ✓ |
| O30.219 | Quadruplet pregnancy with two or more monochorionic fetuses, unspecified trimester | ✓ |
| O30.219 | Quadruplet pregnancy with two or more monochorionic fetuses, unspecified trimester | ✓ |
| O30.221 | Quadruplet pregnancy with two or more monoamniotic fetuses, first trimester | ✓ |
| O30.221 | Quadruplet pregnancy with two or more monoamniotic fetuses, first trimester | ✓ |
| O30.222 | Quadruplet pregnancy with two or more monoamniotic fetuses, second trimester | ✓ |
| O30.222 | Quadruplet pregnancy with two or more monoamniotic fetuses, second trimester | ✓ |
| O30.223 | Quadruplet pregnancy with two or more monoamniotic fetuses, third trimester | ✓ |
| O30.223 | Quadruplet pregnancy with two or more monoamniotic fetuses, third trimester | ✓ |
| O30.229 | Quadruplet pregnancy with two or more monoamniotic fetuses, unspecified trimester | ✓ |
| O30.229 | Quadruplet pregnancy with two or more monoamniotic fetuses, unspecified trimester | ✓ |
| O30.231 | Quadruplet pregnancy, quadrachorionic/quadra-amniotic, first trimester | ✓ |
| O30.231 | Quadruplet pregnancy, quadrachorionic/quadra-amniotic, first trimester | ✓ |
| O30.232 | Quadruplet pregnancy, quadrachorionic/quadra-amniotic, second trimester | ✓ |
| O30.232 | Quadruplet pregnancy, quadrachorionic/quadra-amniotic, second trimester | ✓ |
| O30.233 | Quadruplet pregnancy, quadrachorionic/quadra-amniotic, third trimester | ✓ |
| O30.233 | Quadruplet pregnancy, quadrachorionic/quadra-amniotic, third trimester | ✓ |
| O30.239 | Quadruplet pregnancy, quadrachorionic/quadra-amniotic, unspecified trimester | ✓ |
| O30.239 | Quadruplet pregnancy, quadrachorionic/quadra-amniotic, unspecified trimester | ✓ |
| O30.291 | Quadruplet pregnancy, unable to determine number of placenta and number of amniotic sacs, first trimester | ✓ |
| O30.291 | Quadruplet pregnancy, unable to determine number of placenta and number of amniotic sacs, first trimester | ✓ |
| O30.292 | Quadruplet pregnancy, unable to determine number of placenta and number of amniotic sacs, second trimester | ✓ |
| O30.292 | Quadruplet pregnancy, unable to determine number of placenta and number of amniotic sacs, second trimester | ✓ |
| O30.293 | Quadruplet pregnancy, unable to determine number of placenta and number of amniotic sacs, third trimester | ✓ |
| O30.293 | Quadruplet pregnancy, unable to determine number of placenta and number of amniotic sacs, third trimester | ✓ |
| O30.299 | Quadruplet pregnancy, unable to determine number of placenta and number of amniotic sacs, unspecified trimester | ✓ |
| O30.299 | Quadruplet pregnancy, unable to determine number of placenta and number of amniotic sacs, unspecified trimester | ✓ |
| O30.801 | Other specified multiple gestation, unspecified number of placenta and unspecified number of amniotic sacs, first trimester | ✓ |
| O30.801 | Other specified multiple gestation, unspecified number of placenta and unspecified number of amniotic sacs, first trimester | ✓ |
| O30.802 | Other specified multiple gestation, unspecified number of placenta and unspecified number of amniotic sacs, second trimester | ✓ |
| O30.802 | Other specified multiple gestation, unspecified number of placenta and unspecified number of amniotic sacs, second trimester | ✓ |
| O30.803 | Other specified multiple gestation, unspecified number of placenta and unspecified number of amniotic sacs, third trimester | ✓ |
| O30.803 | Other specified multiple gestation, unspecified number of placenta and unspecified number of amniotic sacs, third trimester | ✓ |
| O30.809 | Other specified multiple gestation, unspecified number of placenta and unspecified number of amniotic sacs, unspecified trimester | ✓ |
| O30.809 | Other specified multiple gestation, unspecified number of placenta and unspecified number of amniotic sacs, unspecified trimester | ✓ |
| O30.811 | Other specified multiple gestation with two or more monochorionic fetuses, first trimester | ✓ |
| O30.811 | Other specified multiple gestation with two or more monochorionic fetuses, first trimester | ✓ |
| O30.812 | Other specified multiple gestation with two or more monochorionic fetuses, second trimester | ✓ |
| O30.812 | Other specified multiple gestation with two or more monochorionic fetuses, second trimester | ✓ |
| O30.813 | Other specified multiple gestation with two or more monochorionic fetuses, third trimester | ✓ |
| O30.813 | Other specified multiple gestation with two or more monochorionic fetuses, third trimester | ✓ |
| O30.819 | Other specified multiple gestation with two or more monochorionic fetuses, unspecified trimester | ✓ |
| O30.819 | Other specified multiple gestation with two or more monochorionic fetuses, unspecified trimester | ✓ |
| O30.821 | Other specified multiple gestation with two or more monoamniotic fetuses, first trimester | ✓ |
| O30.821 | Other specified multiple gestation with two or more monoamniotic fetuses, first trimester | ✓ |
| O30.822 | Other specified multiple gestation with two or more monoamniotic fetuses, second trimester | ✓ |
| O30.822 | Other specified multiple gestation with two or more monoamniotic fetuses, second trimester | ✓ |
| O30.823 | Other specified multiple gestation with two or more monoamniotic fetuses, third trimester | ✓ |
| O30.823 | Other specified multiple gestation with two or more monoamniotic fetuses, third trimester | ✓ |
| O30.829 | Other specified multiple gestation with two or more monoamniotic fetuses, unspecified trimester | ✓ |
| O30.829 | Other specified multiple gestation with two or more monoamniotic fetuses, unspecified trimester | ✓ |
| O30.831 | Other specified multiple gestation, number of chorions and amnions are both equal to the number of fetuses, first trimester | ✓ |
| O30.831 | Other specified multiple gestation, number of chorions and amnions are both equal to the number of fetuses, first trimester | ✓ |
| O30.832 | Other specified multiple gestation, number of chorions and amnions are both equal to the number of fetuses, second trimester | ✓ |
| O30.832 | Other specified multiple gestation, number of chorions and amnions are both equal to the number of fetuses, second trimester | ✓ |
| O30.833 | Other specified multiple gestation, number of chorions and amnions are both equal to the number of fetuses, third trimester | ✓ |
| O30.833 | Other specified multiple gestation, number of chorions and amnions are both equal to the number of fetuses, third trimester | ✓ |
| O30.839 | Other specified multiple gestation, number of chorions and amnions are both equal to the number of fetuses, unspecified trimester | ✓ |
| O30.839 | Other specified multiple gestation, number of chorions and amnions are both equal to the number of fetuses, unspecified trimester | ✓ |
| O30.891 | Other specified multiple gestation, unable to determine number of placenta and number of amniotic sacs, first trimester | ✓ |
| O30.891 | Other specified multiple gestation, unable to determine number of placenta and number of amniotic sacs, first trimester | ✓ |
| O30.892 | Other specified multiple gestation, unable to determine number of placenta and number of amniotic sacs, second trimester | ✓ |
| O30.892 | Other specified multiple gestation, unable to determine number of placenta and number of amniotic sacs, second trimester | ✓ |
| O30.893 | Other specified multiple gestation, unable to determine number of placenta and number of amniotic sacs, third trimester | ✓ |
| O30.893 | Other specified multiple gestation, unable to determine number of placenta and number of amniotic sacs, third trimester | ✓ |
| O30.899 | Other specified multiple gestation, unable to determine number of placenta and number of amniotic sacs, unspecified trimester | ✓ |
| O30.899 | Other specified multiple gestation, unable to determine number of placenta and number of amniotic sacs, unspecified trimester | ✓ |
Frequently asked questions
What is ICD-10-CM code O30?
O30 is an ICD-10-CM category covering Multiple gestation. It contains 228 more specific diagnosis codes, 176 of which are billable.
Is O30 a billable code?
No — O30 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example O30.0 — Twin pregnancy). 176 of the 228 codes under O30 are billable.
What codes fall under O30?
O30 includes O30.0, O30.0, O30.00, O30.00, O30.001, plus 223 more. See the full list with descriptions and billable status above.
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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