O30
Non-Billable

Multiple gestation

Non-Billable / Non-Specific Code

What is Multiple gestation?

ICD-10-CM O30 is the diagnosis code for Multiple gestation. This code falls under the section "Maternal care related to the fetus and amniotic cavity and possible delivery problems" within Chapter 15 — Pregnancy, childbirth and the puerperium (O00-O9A). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.

Coding Guidelines for O30

Always refer to the official ICD-10-CM Tabular List for complete coding guidelines. Ensure documentation supports the specificity of the code selected. When in doubt, consult a certified medical coder or the latest CMS guidelines.

ICD-10-CM Code Hierarchy

Understanding where O30 sits in the ICD-10-CM classification helps ensure proper coding:

Sub-Codes 5 entries
O30.0Twin pregnancyNon-BillableO30.00Twin pregnancy, unspecified number of placenta and unspecified number of amniotic sacsNon-BillableO30.001Twin pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, first trimesterBillableO30.002Twin pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, second trimesterBillableO30.003Twin pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, third trimesterBillableO30.009Twin pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, unspecified trimesterBillableO30.01Twin pregnancy, monochorionic/monoamnioticNon-BillableO30.011Twin pregnancy, monochorionic/monoamniotic, first trimesterBillableO30.012Twin pregnancy, monochorionic/monoamniotic, second trimesterBillableO30.013Twin pregnancy, monochorionic/monoamniotic, third trimesterBillableO30.019Twin pregnancy, monochorionic/monoamniotic, unspecified trimesterBillableO30.02Conjoined twin pregnancyNon-BillableO30.021Conjoined twin pregnancy, first trimesterBillableO30.022Conjoined twin pregnancy, second trimesterBillableO30.023Conjoined twin pregnancy, third trimesterBillableO30.029Conjoined twin pregnancy, unspecified trimesterBillableO30.03Twin pregnancy, monochorionic/diamnioticNon-BillableO30.031Twin pregnancy, monochorionic/diamniotic, first trimesterBillableO30.032Twin pregnancy, monochorionic/diamniotic, second trimesterBillableO30.033Twin pregnancy, monochorionic/diamniotic, third trimesterBillableO30.039Twin pregnancy, monochorionic/diamniotic, unspecified trimesterBillableO30.04Twin pregnancy, dichorionic/diamnioticNon-BillableO30.041Twin pregnancy, dichorionic/diamniotic, first trimesterBillableO30.042Twin pregnancy, dichorionic/diamniotic, second trimesterBillableO30.043Twin pregnancy, dichorionic/diamniotic, third trimesterBillableO30.049Twin pregnancy, dichorionic/diamniotic, unspecified trimesterBillableO30.09Twin pregnancy, unable to determine number of placenta and number of amniotic sacsNon-BillableO30.091Twin pregnancy, unable to determine number of placenta and number of amniotic sacs, first trimesterBillableO30.092Twin pregnancy, unable to determine number of placenta and number of amniotic sacs, second trimesterBillableO30.093Twin pregnancy, unable to determine number of placenta and number of amniotic sacs, third trimesterBillableO30.099Twin pregnancy, unable to determine number of placenta and number of amniotic sacs, unspecified trimesterBillableO30.1Triplet pregnancyNon-BillableO30.10Triplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacsNon-BillableO30.101Triplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, first trimesterBillableO30.102Triplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, second trimesterBillableO30.103Triplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, third trimesterBillableO30.109Triplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, unspecified trimesterBillableO30.11Triplet pregnancy with two or more monochorionic fetusesNon-BillableO30.111Triplet pregnancy with two or more monochorionic fetuses, first trimesterBillableO30.112Triplet pregnancy with two or more monochorionic fetuses, second trimesterBillableO30.113Triplet pregnancy with two or more monochorionic fetuses, third trimesterBillableO30.119Triplet pregnancy with two or more monochorionic fetuses, unspecified trimesterBillableO30.12Triplet pregnancy with two or more monoamniotic fetusesNon-BillableO30.121Triplet pregnancy with two or more monoamniotic fetuses, first trimesterBillableO30.122Triplet pregnancy with two or more monoamniotic fetuses, second trimesterBillableO30.123Triplet pregnancy with two or more monoamniotic fetuses, third trimesterBillableO30.129Triplet pregnancy with two or more monoamniotic fetuses, unspecified trimesterBillableO30.13Triplet pregnancy, trichorionic/triamnioticNon-BillableO30.131Triplet pregnancy, trichorionic/triamniotic, first trimesterBillableO30.132Triplet pregnancy, trichorionic/triamniotic, second trimesterBillableO30.133Triplet pregnancy, trichorionic/triamniotic, third trimesterBillableO30.139Triplet pregnancy, trichorionic/triamniotic, unspecified trimesterBillableO30.19Triplet pregnancy, unable to determine number of placenta and number of amniotic sacsNon-BillableO30.191Triplet pregnancy, unable to determine number of placenta and number of amniotic sacs, first trimesterBillableO30.192Triplet pregnancy, unable to determine number of placenta and number of amniotic sacs, second trimesterBillableO30.193Triplet pregnancy, unable to determine number of placenta and number of amniotic sacs, third trimesterBillableO30.199Triplet pregnancy, unable to determine number of placenta and number of amniotic sacs, unspecified trimesterBillableO30.2Quadruplet pregnancyNon-BillableO30.20Quadruplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacsNon-BillableO30.201Quadruplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, first trimesterBillableO30.202Quadruplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, second trimesterBillableO30.203Quadruplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, third trimesterBillableO30.209Quadruplet pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, unspecified trimesterBillableO30.21Quadruplet pregnancy with two or more monochorionic fetusesNon-BillableO30.211Quadruplet pregnancy with two or more monochorionic fetuses, first trimesterBillableO30.212Quadruplet pregnancy with two or more monochorionic fetuses, second trimesterBillableO30.213Quadruplet pregnancy with two or more monochorionic fetuses, third trimesterBillableO30.219Quadruplet pregnancy with two or more monochorionic fetuses, unspecified trimesterBillableO30.22Quadruplet pregnancy with two or more monoamniotic fetusesNon-BillableO30.221Quadruplet pregnancy with two or more monoamniotic fetuses, first trimesterBillableO30.222Quadruplet pregnancy with two or more monoamniotic fetuses, second trimesterBillableO30.223Quadruplet pregnancy with two or more monoamniotic fetuses, third trimesterBillableO30.229Quadruplet pregnancy with two or more monoamniotic fetuses, unspecified trimesterBillableO30.23Quadruplet pregnancy, quadrachorionic/quadra-amnioticNon-BillableO30.231Quadruplet pregnancy, quadrachorionic/quadra-amniotic, first trimesterBillableO30.232Quadruplet pregnancy, quadrachorionic/quadra-amniotic, second trimesterBillableO30.233Quadruplet pregnancy, quadrachorionic/quadra-amniotic, third trimesterBillableO30.239Quadruplet pregnancy, quadrachorionic/quadra-amniotic, unspecified trimesterBillableO30.29Quadruplet pregnancy, unable to determine number of placenta and number of amniotic sacsNon-BillableO30.291Quadruplet pregnancy, unable to determine number of placenta and number of amniotic sacs, first trimesterBillableO30.292Quadruplet pregnancy, unable to determine number of placenta and number of amniotic sacs, second trimesterBillableO30.293Quadruplet pregnancy, unable to determine number of placenta and number of amniotic sacs, third trimesterBillableO30.299Quadruplet pregnancy, unable to determine number of placenta and number of amniotic sacs, unspecified trimesterBillableO30.8Other specified multiple gestationNon-BillableO30.80Other specified multiple gestation, unspecified number of placenta and unspecified number of amniotic sacsNon-BillableO30.801Other specified multiple gestation, unspecified number of placenta and unspecified number of amniotic sacs, first trimesterBillableO30.802Other specified multiple gestation, unspecified number of placenta and unspecified number of amniotic sacs, second trimesterBillableO30.803Other specified multiple gestation, unspecified number of placenta and unspecified number of amniotic sacs, third trimesterBillableO30.809Other specified multiple gestation, unspecified number of placenta and unspecified number of amniotic sacs, unspecified trimesterBillableO30.81Other specified multiple gestation with two or more monochorionic fetusesNon-BillableO30.811Other specified multiple gestation with two or more monochorionic fetuses, first trimesterBillableO30.812Other specified multiple gestation with two or more monochorionic fetuses, second trimesterBillableO30.813Other specified multiple gestation with two or more monochorionic fetuses, third trimesterBillableO30.819Other specified multiple gestation with two or more monochorionic fetuses, unspecified trimesterBillableO30.82Other specified multiple gestation with two or more monoamniotic fetusesNon-BillableO30.821Other specified multiple gestation with two or more monoamniotic fetuses, first trimesterBillableO30.822Other specified multiple gestation with two or more monoamniotic fetuses, second trimesterBillableO30.823Other specified multiple gestation with two or more monoamniotic fetuses, third trimesterBillableO30.829Other specified multiple gestation with two or more monoamniotic fetuses, unspecified trimesterBillableO30.83Other specified multiple gestation, number of chorions and amnions are both equal to the number of fetusesNon-BillableO30.831Other specified multiple gestation, number of chorions and amnions are both equal to the number of fetuses, first trimesterBillableO30.832Other specified multiple gestation, number of chorions and amnions are both equal to the number of fetuses, second trimesterBillableO30.833Other specified multiple gestation, number of chorions and amnions are both equal to the number of fetuses, third trimesterBillableO30.839Other specified multiple gestation, number of chorions and amnions are both equal to the number of fetuses, unspecified trimesterBillableO30.89Other specified multiple gestation, unable to determine number of placenta and number of amniotic sacsNon-BillableO30.891Other specified multiple gestation, unable to determine number of placenta and number of amniotic sacs, first trimesterBillableO30.892Other specified multiple gestation, unable to determine number of placenta and number of amniotic sacs, second trimesterBillableO30.893Other specified multiple gestation, unable to determine number of placenta and number of amniotic sacs, third trimesterBillableO30.899Other specified multiple gestation, unable to determine number of placenta and number of amniotic sacs, unspecified trimesterBillableO30.9Multiple gestation, unspecifiedNon-BillableO30.90Multiple gestation, unspecified, unspecified trimesterBillableO30.91Multiple gestation, unspecified, first trimesterBillableO30.92Multiple gestation, unspecified, second trimesterBillableO30.93Multiple gestation, unspecified, third trimesterBillable
Related Codes

Frequently Asked Questions

Is O30 a billable ICD-10-CM code?

No, O30 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.

What does O30 mean?

O30 is the ICD-10-CM diagnosis code for "Multiple gestation". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What section is O30 in?

O30 is located in Section O30-O48 — "Maternal care related to the fetus and amniotic cavity and possible delivery problems" within Chapter 15 of the ICD-10-CM Tabular List.

What are the sub-codes of O30?

O30 has 5 sub-code(s) that provide more specific detail: O30.0, O30.1, O30.2, O30.8, O30.9.

When should I use O30?

Use O30 when the patients documented diagnosis matches "Multiple gestation" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.

People Also Ask

What is the ICD-10 code for Multiple gestation?

The ICD-10-CM code for Multiple gestation is O30.

Can O30 be used for primary diagnosis?

No, O30 is non-billable. Use a more specific sub-code for primary diagnosis billing.

What chapter is O30 in?

O30 is in Chapter 15 of the ICD-10-CM Tabular List.

Is O30 valid for 2026?

Yes, O30 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousO29.93Unspecified complication of anesthesia during pregnancy, third trimesterNext →O30.0Twin pregnancy
Code Details
O30
Multiple gestation
Non-Billable / Non-Specific Code
15 — Pregnancy, childbirth and the puerperium (O00-O9A)
O30-O48 — Maternal care related to the fetus and amniotic cavity and possible delivery problems
2026 ICD-10-CM