Search Browse Crosswalk Fees Tools Pricing

Codelle

AI-powered medical coding assistant for healthcare practices and billers.

Pricing Privacy Terms

© 2026 Codelle. All rights reserved.

CPT® copyright 2026 American Medical Association. All rights reserved. CPT is a registered trademark of the American Medical Association. Applicable FARS/DFARS restrictions apply to government use. Fee schedules, relative value units, conversion factors and/or related components are not assigned by the AMA, are not part of CPT, and the AMA is not recommending their use.

ICD-10-CM O66.4 — Failed trial of labor | Codelle

ICD-10-CM/O66/O66.4

O66.4

ICD-10-CM

Failed trial of labor

Code Hierarchy

▲O66Other obstructed labor

O66.4(current)

Subcodes (2)

O66.40Failed trial of labor, unspecified

O66.41Failed attempt vaginal birth after previous cesarean del

Same Category

O66Other obstructed labor O66.0Obstructed labor due to shoulder dystocia O66.1Obstructed labor due to locked twins O66.2Obstructed labor due to unusually large fetus O66.3Obstructed labor due to other abnormalities of fetus O66.40Failed trial of labor, unspecified O66.41Failed attempt vaginal birth after previous cesarean del O66.5Attempted application of vacuum extractor and forceps O66.6Obstructed labor due to other multiple fetuses O66.8Other specified obstructed labor

+1 more in this category