Category O66
Other obstructed labor
Clinical Classification Guidelines
Specific Diagnosis Codes
Obstructed labor due to shoulder dystocia
O66.0
Obstructed labor due to locked twins
O66.1
Obstructed labor due to unusually large fetus
O66.2
Obstructed labor due to other abnormalities of fetus
O66.3
Failed trial of labor
O66.4
Failed trial of labor, unspecified
O66.40
Failed attempted vaginal birth after previous cesarean delivery
O66.41
Attempted application of vacuum extractor and forceps
O66.5
Obstructed labor due to other multiple fetuses
O66.6
Other specified obstructed labor
O66.8
Obstructed labor, unspecified
O66.9
