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O34.4

⚠ Non-billable (Header)

Maternal care for other abnormalities of cervix

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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📋 Code Instructions

from O34
  • • code for specific condition
  • • Code first: any associated obstructed labor (O65.5)
✅ No additional coding notes for O34.4

Child Codes (4)

O34.40Maternal care for other abnormalities of cervix, unspecified trimesterO34.41Maternal care for other abnormalities of cervix, first trimesterO34.42Maternal care for other abnormalities of cervix, second trimesterO34.43Maternal care for other abnormalities of cervix, third trimester

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Code Information

CodeO34.4
BillableNo — Header code
ParentO34
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)