ICD-10-CM › O00-O9A › O60-O77 › O66 Other obstructed labor › O66.4

O66.4

Failed trial of labor

Not billableICD-10-CM diagnosis code.

This code exists but cannot be submitted on its own. It groups the more specific codes beneath it.

A category header for its whole life, FY2016 onwards. It has never been valid for submission on its own.

Submit one of these 2 more specific codes instead:

  • O66.40 Failed trial of labor, unspecified
  • O66.41 Failed attempted vaginal birth after previous cesarean delivery

What has happened to this code

Every change the publisher made, from 2012 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.

  1. FY2012 Added to the draft code set draft Failed trial of labor

Codes in the same group

CodeDescriptionStatus
O66.0 Obstructed labor due to shoulder dystocia Valid
O66.1 Obstructed labor due to locked twins Valid
O66.2 Obstructed labor due to unusually large fetus Valid
O66.3 Obstructed labor due to other abnormalities of fetus Valid
O66.5 Attempted application of vacuum extractor and forceps Valid
O66.6 Obstructed labor due to other multiple fetuses Valid
O66.8 Other specified obstructed labor Valid
O66.9 Obstructed labor, unspecified Valid