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O30.031

✓ Billable

Twin pregnancy, monochorionic/diamniotic, first trimester

Pregnancy, childbirth and the puerperium (O00-O9A)

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✅ No additional coding notes for O30.031

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Code Information

CodeO30.031
BillableYes
ParentO30.03
CategoryPregnancy, childbirth and the puerperium (O00-O9A)
Excludes10 rule(s)
Excludes20 note(s)

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)