O30.12
⚠ Non-billable (Header)Triplet pregnancy with two or more monoamniotic fetuses
Pregnancy, childbirth and the puerperium (O00-O9A)
⚠️ This is a category header code — not billable. Use a more specific child code below.
✅ No additional coding notes for O30.12
Child Codes (4)
O30.121Triplet pregnancy with two or more monoamniotic fetuses, first trimesterO30.122Triplet pregnancy with two or more monoamniotic fetuses, second trimesterO30.123Triplet pregnancy with two or more monoamniotic fetuses, third trimesterO30.129Triplet pregnancy with two or more monoamniotic fetuses, unspecified trimester
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CodeO30.12
BillableNo — Header code
ParentO30.1
CategoryPregnancy, childbirth and the puerperium (O00-O9A)
Excludes10 rule(s)
Excludes20 note(s)
Child codes4
Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)