O34.0
⚠ Non-billable (Header)Maternal care for congenital malformation of uterus
Pregnancy, childbirth and the puerperium (O00-O9A)
⚠️ This is a category header code — not billable. Use a more specific child code below.
Also Known As
Maternal care for double uterusMaternal care for uterus bicornis
📋 Code Instructions
from O34- • code for specific condition
- • Code first: any associated obstructed labor (O65.5)
✅ No additional coding notes for O34.0
Child Codes (4)
O34.00Maternal care for unspecified congenital malformation of uterus, unspecified trimesterO34.01Maternal care for unspecified congenital malformation of uterus, first trimesterO34.02Maternal care for unspecified congenital malformation of uterus, second trimesterO34.03Maternal care for unspecified congenital malformation of uterus, third trimester
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Add O34.0 to the Excludes Checker to validate against your full code list.
Open in Checker →Code Information
CodeO34.0
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)