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O30.02

⚠ Non-billable (Header)

Conjoined twin pregnancy

Pregnancy, childbirth and the puerperium (O00-O9A)

⚠️ This is a category header code — not billable. Use a more specific child code below.

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✅ No additional coding notes for O30.02

Child Codes (4)

O30.021Conjoined twin pregnancy, first trimesterO30.022Conjoined twin pregnancy, second trimesterO30.023Conjoined twin pregnancy, third trimesterO30.029Conjoined twin pregnancy, unspecified trimester

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Code Information

CodeO30.02
BillableNo — Header code
ParentO30.0
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)