O30.0
⚠ Non-billable (Header)Twin pregnancy
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 O30.0
Child Codes (6)
O30.00Twin pregnancy, unspecified number of placenta and unspecified number of amniotic sacsO30.01Twin pregnancy, monochorionic/monoamnioticO30.02Conjoined twin pregnancyO30.03Twin pregnancy, monochorionic/diamnioticO30.04Twin pregnancy, dichorionic/diamnioticO30.09Twin pregnancy, unable to determine number of placenta and number of amniotic sacs
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CodeO30.0
BillableNo — Header code
ParentO30
CategoryPregnancy, childbirth and the puerperium (O00-O9A)
Excludes10 rule(s)
Excludes20 note(s)
Child codes6
Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)