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O30.019

✓ Billable

Twin pregnancy, monochorionic/monoamniotic, unspecified trimester

Pregnancy, childbirth and the puerperium (O00-O9A)

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❌ Excludes1

inherited from O30.01

Rules from parent category O30.01: Twin pregnancy, monochorionic/monoamniotic

  • • conjoined twins (O30.02-)

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Code Information

CodeO30.019
BillableYes
ParentO30.01
CategoryPregnancy, childbirth and the puerperium (O00-O9A)
Excludes11 rule(s)
Excludes20 note(s)

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)