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O66.40

Billable

Failed trial of labor, unspecified

This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).

What This Code Means

A trial of labor that did not result in vaginal delivery, requiring cesarean section, without specification of the exact reason for failure.

Coding Tips

  • •Use this code when documentation indicates a failed trial of labor (TOLAC) but does not specify whether it was due to failed VBAC or other causes
  • •Review operative reports and labor notes to determine if a more specific code (O66.41) should be used instead

Code Hierarchy

└O66Other obstructed labor└O66.4Failed trial of labor└O66.40Failed trial of labor, unspecified
└O66.40Failed trial of labor, unspecified

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