ICD-10 · PDGM grouping
O30 Multiple gestation
All 88 codes in the O30 family, with the PDGM clinical group, comorbidity subgroup and primary-position rule CMS assigns, read from the CMS grouper crosswalk v07.2.26 and the CDC FY2027 code file.
Codes in family
88
Can lead a claim
3
Cannot lead a claim
85
What CMS assigns to O30
3 of the 88 codes group to MMTA - Other; 85 are assigned no clinical group. None of the 88 is assigned a comorbidity subgroup. 3 of the 88 can lead a claim.
Every code in O30
Descriptions are CDC’s FY2027 wording; where CMS’s grouper abbreviates one, its form is shown beneath.
| Code | Description | Primary position | Clinical group | Comorbidity subgroup |
|---|---|---|---|---|
| O30.0 Twin pregnancy | ||||
| O30.00 Twin pregnancy, unspecified number of placenta and unspecified number of amniotic sacs | ||||
| O30.001 | Twin pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, first trimesterCMS: Twin preg, unsp num plcnta & amnio sacs, first trimester | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O30.002 | Twin pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, second trimesterCMS: Twin preg, unsp num plcnta & amnio sacs, second trimester | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O30.003 | Twin pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, third trimesterCMS: Twin preg, unsp num plcnta & amnio sacs, third trimester | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O30.009 | Twin pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, unspecified trimesterCMS: Twin pregnancy, unsp num plcnta & amnio sacs, unsp trimester | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O30.01 Twin pregnancy, monochorionic/monoamniotic | ||||
| O30.011 | Twin pregnancy, monochorionic/monoamniotic, first trimester | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O30.012 | Twin pregnancy, monochorionic/monoamniotic, second trimester | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O30.013 | Twin pregnancy, monochorionic/monoamniotic, third trimester | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O30.019 | Twin pregnancy, monochorionic/monoamniotic, unspecified trimesterCMS: Twin pregnancy, monochorionic/monoamniotic, unsp trimester | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O30.02 Conjoined twin pregnancy | ||||
| O30.021 | Conjoined twin pregnancy, first trimester | Can lead a claim | A | None |
| O30.022 | Conjoined twin pregnancy, second trimester | Can lead a claim | A | None |
| O30.023 | Conjoined twin pregnancy, third trimester | Can lead a claim | A | None |
| O30.029 | Conjoined twin pregnancy, unspecified trimester | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O30.03 Twin pregnancy, monochorionic/diamniotic | ||||
| O30.031 | Twin pregnancy, monochorionic/diamniotic, first trimester | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O30.032 | Twin pregnancy, monochorionic/diamniotic, second trimester | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O30.033 | Twin pregnancy, monochorionic/diamniotic, third trimester | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O30.039 | Twin pregnancy, monochorionic/diamniotic, unspecified trimesterCMS: Twin pregnancy, monochorionic/diamniotic, unsp trimester | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O30.04 Twin pregnancy, dichorionic/diamniotic | ||||
| O30.041 | Twin pregnancy, dichorionic/diamniotic, first trimester | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O30.042 | Twin pregnancy, dichorionic/diamniotic, second trimester | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O30.043 | Twin pregnancy, dichorionic/diamniotic, third trimester | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O30.049 | Twin pregnancy, dichorionic/diamniotic, unspecified trimesterCMS: Twin pregnancy, dichorionic/diamniotic, unsp trimester | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O30.09 Twin pregnancy, unable to determine number of placenta and number of amniotic sacs | ||||
| O30.091 | Twin pregnancy, unable to determine number of placenta and number of amniotic sacs, first trimesterCMS: Twin preg, unable to dtrm num plcnta & amnio sacs, first tri | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O30.092 | Twin pregnancy, unable to determine number of placenta and number of amniotic sacs, second trimesterCMS: Twin preg, unable to dtrm num plcnta & amnio sacs, 2nd tri | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O30.093 | Twin pregnancy, unable to determine number of placenta and number of amniotic sacs, third trimesterCMS: Twin preg, unable to dtrm num plcnta & amnio sacs, third tri | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O30.099 | Twin pregnancy, unable to determine number of placenta and number of amniotic sacs, unspecified trimesterCMS: Twin preg, unable to dtrm num plcnta & amnio sacs, unsp tri | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O30.1 Triplet pregnancy | ||||
| O30.10 Triplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs | ||||
| O30.101 | Triplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, first trimesterCMS: Triplet preg, unsp num plcnta & amnio sacs, first trimester | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O30.102 | Triplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, second trimesterCMS: Triplet preg, unsp num plcnta & amnio sacs, second trimester | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O30.103 | Triplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, third trimesterCMS: Triplet preg, unsp num plcnta & amnio sacs, third trimester | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O30.109 | Triplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, unspecified trimesterCMS: Triplet preg, unsp num plcnta & amnio sacs, unsp trimester | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O30.11 Triplet pregnancy with two or more monochorionic fetuses | ||||
| O30.111 | Triplet pregnancy with two or more monochorionic fetuses, first trimesterCMS: Triplet preg w two or more monochorionic fetuses, first tri | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O30.112 | Triplet pregnancy with two or more monochorionic fetuses, second trimesterCMS: Triplet preg w two or more monochorionic fetuses, second tri | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O30.113 | Triplet pregnancy with two or more monochorionic fetuses, third trimesterCMS: Triplet preg w two or more monochorionic fetuses, third tri | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O30.119 | Triplet pregnancy with two or more monochorionic fetuses, unspecified trimesterCMS: Triplet preg w two or more monochorionic fetuses, unsp tri | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O30.12 Triplet pregnancy with two or more monoamniotic fetuses | ||||
| O30.121 | Triplet pregnancy with two or more monoamniotic fetuses, first trimesterCMS: Triplet preg w two or more monoamnio fetuses, first tri | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O30.122 | Triplet pregnancy with two or more monoamniotic fetuses, second trimesterCMS: Triplet preg w two or more monoamnio fetuses, second tri | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O30.123 | Triplet pregnancy with two or more monoamniotic fetuses, third trimesterCMS: Triplet preg w two or more monoamnio fetuses, third tri | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O30.129 | Triplet pregnancy with two or more monoamniotic fetuses, unspecified trimesterCMS: Triplet preg w two or more monoamnio fetuses, unsp trimester | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O30.13 Triplet pregnancy, trichorionic/triamniotic | ||||
| O30.131 | Triplet pregnancy, trichorionic/triamniotic, first trimester | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O30.132 | Triplet pregnancy, trichorionic/triamniotic, second trimesterCMS: Triplet preg, trichorionic/triamniotic, second trimester | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O30.133 | Triplet pregnancy, trichorionic/triamniotic, third trimester | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O30.139 | Triplet pregnancy, trichorionic/triamniotic, unspecified trimesterCMS: Triplet pregnancy, trichorionic/triamniotic, unsp trimester | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O30.19 Triplet pregnancy, unable to determine number of placenta and number of amniotic sacs | ||||
| O30.191 | Triplet pregnancy, unable to determine number of placenta and number of amniotic sacs, first trimesterCMS: Trp preg, unable to dtrm num plcnta & amnio sacs, first tri | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O30.192 | Triplet pregnancy, unable to determine number of placenta and number of amniotic sacs, second trimesterCMS: Trp preg, unable to dtrm num plcnta & amnio sacs, second tri | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O30.193 | Triplet pregnancy, unable to determine number of placenta and number of amniotic sacs, third trimesterCMS: Trp preg, unable to dtrm num plcnta & amnio sacs, third tri | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O30.199 | Triplet pregnancy, unable to determine number of placenta and number of amniotic sacs, unspecified trimesterCMS: Trp preg, unable to dtrm num plcnta & amnio sacs, unsp tri | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O30.2 Quadruplet pregnancy | ||||
| O30.20 Quadruplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs | ||||
| O30.201 | Quadruplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, first trimesterCMS: Quad preg, unsp num plcnta & amnio sacs, first trimester | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O30.202 | Quadruplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, second trimesterCMS: Quad preg, unsp num plcnta & amnio sacs, second trimester | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O30.203 | Quadruplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, third trimesterCMS: Quad preg, unsp num plcnta & amnio sacs, third trimester | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O30.209 | Quadruplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, unspecified trimesterCMS: Quad pregnancy, unsp num plcnta & amnio sacs, unsp trimester | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O30.21 Quadruplet pregnancy with two or more monochorionic fetuses | ||||
| O30.211 | Quadruplet pregnancy with two or more monochorionic fetuses, first trimesterCMS: Quad preg w two or more monochorionic fetuses, first tri | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O30.212 | Quadruplet pregnancy with two or more monochorionic fetuses, second trimesterCMS: Quad preg w two or more monochorionic fetuses, second tri | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O30.213 | Quadruplet pregnancy with two or more monochorionic fetuses, third trimesterCMS: Quad preg w two or more monochorionic fetuses, third tri | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O30.219 | Quadruplet pregnancy with two or more monochorionic fetuses, unspecified trimesterCMS: Quad preg w two or more monochorionic fetuses, unsp tri | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O30.22 Quadruplet pregnancy with two or more monoamniotic fetuses | ||||
| O30.221 | Quadruplet pregnancy with two or more monoamniotic fetuses, first trimesterCMS: Quad preg w two or more monoamnio fetuses, first trimester | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O30.222 | Quadruplet pregnancy with two or more monoamniotic fetuses, second trimesterCMS: Quad preg w two or more monoamnio fetuses, second trimester | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O30.223 | Quadruplet pregnancy with two or more monoamniotic fetuses, third trimesterCMS: Quad preg w two or more monoamnio fetuses, third trimester | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O30.229 | Quadruplet pregnancy with two or more monoamniotic fetuses, unspecified trimesterCMS: Quad preg w two or more monoamnio fetuses, unsp trimester | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O30.23 Quadruplet pregnancy, quadrachorionic/quadra-amniotic | ||||
| O30.231 | Quadruplet pregnancy, quadrachorionic/quadra-amniotic, first trimesterCMS: Quad preg, quadrachorionic/quadra-amniotic, first trimester | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O30.232 | Quadruplet pregnancy, quadrachorionic/quadra-amniotic, second trimesterCMS: Quad preg, quadrachorionic/quadra-amniotic, second trimester | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O30.233 | Quadruplet pregnancy, quadrachorionic/quadra-amniotic, third trimesterCMS: Quad preg, quadrachorionic/quadra-amniotic, third trimester | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O30.239 | Quadruplet pregnancy, quadrachorionic/quadra-amniotic, unspecified trimesterCMS: Quad preg, quadrachorionic/quadra-amniotic, unsp trimester | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O30.29 Quadruplet pregnancy, unable to determine number of placenta and number of amniotic sacs | ||||
| O30.291 | Quadruplet pregnancy, unable to determine number of placenta and number of amniotic sacs, first trimesterCMS: Quad preg, unable to dtrm num plcnta & amnio sacs, first tri | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O30.292 | Quadruplet pregnancy, unable to determine number of placenta and number of amniotic sacs, second trimesterCMS: Quad preg, unable to dtrm num plcnta & amnio sacs, 2nd tri | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O30.293 | Quadruplet pregnancy, unable to determine number of placenta and number of amniotic sacs, third trimesterCMS: Quad preg, unable to dtrm num plcnta & amnio sacs, third tri | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O30.299 | Quadruplet pregnancy, unable to determine number of placenta and number of amniotic sacs, unspecified trimesterCMS: Quad preg, unable to dtrm num plcnta & amnio sacs, unsp tri | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O30.8 Other specified multiple gestation | ||||
| O30.80 Other specified multiple gestation, unspecified number of placenta and unspecified number of amniotic sacs | ||||
| O30.801 | Other specified multiple gestation, unspecified number of placenta and unspecified number of amniotic sacs, first trimesterCMS: Oth multiple gest, unsp num plcnta & amnio sacs, first tri | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O30.802 | Other specified multiple gestation, unspecified number of placenta and unspecified number of amniotic sacs, second trimesterCMS: Oth multiple gest, unsp num plcnta & amnio sacs, second tri | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O30.803 | Other specified multiple gestation, unspecified number of placenta and unspecified number of amniotic sacs, third trimesterCMS: Oth multiple gest, unsp num plcnta & amnio sacs, third tri | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O30.809 | Other specified multiple gestation, unspecified number of placenta and unspecified number of amniotic sacs, unspecified trimesterCMS: Oth multiple gest, unsp num plcnta & amnio sacs, unsp tri | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O30.81 Other specified multiple gestation with two or more monochorionic fetuses | ||||
| O30.811 | Other specified multiple gestation with two or more monochorionic fetuses, first trimesterCMS: Oth mult gest w two or more monochorionic fetuses, first tri | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O30.812 | Other specified multiple gestation with two or more monochorionic fetuses, second trimesterCMS: Oth mult gest w two or more monochorionic fetuses, 2nd tri | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O30.813 | Other specified multiple gestation with two or more monochorionic fetuses, third trimesterCMS: Oth mult gest w two or more monochorionic fetuses, third tri | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O30.819 | Other specified multiple gestation with two or more monochorionic fetuses, unspecified trimesterCMS: Oth mult gest w two or more monochorionic fetuses, unsp tri | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O30.82 Other specified multiple gestation with two or more monoamniotic fetuses | ||||
| O30.821 | Other specified multiple gestation with two or more monoamniotic fetuses, first trimesterCMS: Oth multiple gest w two or more monoamnio fetuses, first tri | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O30.822 | Other specified multiple gestation with two or more monoamniotic fetuses, second trimesterCMS: Oth mult gest w two or more monoamnio fetuses, second tri | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O30.823 | Other specified multiple gestation with two or more monoamniotic fetuses, third trimesterCMS: Oth multiple gest w two or more monoamnio fetuses, third tri | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O30.829 | Other specified multiple gestation with two or more monoamniotic fetuses, unspecified trimesterCMS: Oth multiple gest w two or more monoamnio fetuses, unsp tri | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O30.83 Other specified multiple gestation, number of chorions and amnions are both equal to the number of fetuses | ||||
| O30.831 | Other specified multiple gestation, number of chorions and amnions are both equal to the number of fetuses, first trimesterCMS: Oth mult gest, num chorions & amnions = num ftses, 1st tri | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O30.832 | Other specified multiple gestation, number of chorions and amnions are both equal to the number of fetuses, second trimesterCMS: Oth mult gest, num chorions & amnions = num ftses, 2nd tri | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O30.833 | Other specified multiple gestation, number of chorions and amnions are both equal to the number of fetuses, third trimesterCMS: Oth mult gest, num chorions & amnions = num ftses, 3rd tri | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O30.839 | Other specified multiple gestation, number of chorions and amnions are both equal to the number of fetuses, unspecified trimesterCMS: Oth mult gest, num chorions & amnions = num ftses, unsp tri | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O30.89 Other specified multiple gestation, unable to determine number of placenta and number of amniotic sacs | ||||
| O30.891 | Other specified multiple gestation, unable to determine number of placenta and number of amniotic sacs, first trimesterCMS: Oth mult gest, unab to dtrm num plcnta & amnio sacs, 1st tri | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O30.892 | Other specified multiple gestation, unable to determine number of placenta and number of amniotic sacs, second trimesterCMS: Oth mult gest, unab to dtrm num plcnta & amnio sacs, 2nd tri | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O30.893 | Other specified multiple gestation, unable to determine number of placenta and number of amniotic sacs, third trimesterCMS: Oth mult gest, unab to dtrm num plcnta & amnio sacs, 3rd tri | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O30.899 | Other specified multiple gestation, unable to determine number of placenta and number of amniotic sacs, unspecified trimesterCMS: Oth mult gest,unab to dtrm num plcnta & amnio sacs, unsp tri | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O30.9 Multiple gestation, unspecified | ||||
| O30.90 | Multiple gestation, unspecified, unspecified trimester | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O30.91 | Multiple gestation, unspecified, first trimester | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O30.92 | Multiple gestation, unspecified, second trimester | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| O30.93 | Multiple gestation, unspecified, third trimester | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
Sources: CMS HH PPS Grouper Software v07.2.26, effective 2026-10-01, for the clinical group, comorbidity subgroup, code-first conventions and primary-position flags; CDC NCHS ICD-10-CM FY2027 code descriptions for the family title and code wording. This is the crosswalk Medicare runs a claim through. Grouping also depends on admission source, timing, the OASIS functional items and the rest of the diagnosis list.
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