ICD-10-CM
ICD-10 code for Failure, failed ventouse NOS (with subsequent cesarean delivery): O66.5
The ICD-10-CM index points "Failure, failed ventouse NOS (with subsequent cesarean delivery)" to O66.5, Attempted application of vacuum extractor and forceps. O66.5 is a billable code.
Source: CDC ICD-10-CM FY2027 Alphabetic Index file dated June 16, 2026. Publisher page
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More specific codes in O66
A header groups codes and is not billed. A billable code is one you can report.
- O66Other obstructed laborHeader
- O66.0Obstructed labor due to shoulder dystociaBillable
- O66.1Obstructed labor due to locked twinsBillable
- O66.2Obstructed labor due to unusually large fetusBillable
- O66.3Obstructed labor due to other abnormalities of fetusBillable
- O66.4Failed trial of laborHeader
- O66.40Failed trial of labor, unspecifiedBillable
- O66.41Failed attempted vaginal birth after previous cesarean deliveryBillable
- O66.5Attempted application of vacuum extractor and forcepsBillable
- O66.6Obstructed labor due to other multiple fetusesBillable
- O66.8Other specified obstructed laborBillable
- O66.9Obstructed labor, unspecifiedBillable
Related pages
- O66.5 code detailsNotes, nearby codes, CMS-HCC group
- Category O66Every code under it
- Chapter 15Pregnancy, childbirth and the puerperium
- ICD-10 codes by conditionA to Z
- Check a list of ICD-10 codes
- Denial code CO-11Diagnosis does not support the procedure
- Denial code CO-146Diagnosis invalid for the date of service
- HCPCS Level II code lookup
Questions
What is the ICD-10 code for Failure, failed ventouse NOS (with subsequent cesarean delivery)?
The ICD-10-CM index points "Failure, failed ventouse NOS (with subsequent cesarean delivery)" to O66.5, Attempted application of vacuum extractor and forceps. O66.5 is a billable code.
Is O66.5 billable?
Yes. O66.5 is a billable code in the FY2027 ICD-10-CM file. Use a more specific code when the record documents one.
What chapter is O66.5 in?
Chapter 15. Pregnancy, childbirth and the puerperium.
When do ICD-10-CM codes change?
Every October 1, with the new fiscal year file. Some years add April 1 updates. This page uses the FY2027 file, effective October 1, 2026.