O65 - Obstructed labor due to maternal pelvic abnormality
O65.0 - Obstructed labor due to deformed pelvis
O65.1 - Obstructed labor due to generally contracted pelvis
O65.2 - Obstructed labor due to pelvic inlet contraction
O65.3 - Obstructed labor due to pelvic outlet and mid-cavity contraction
O65.4 - Obstructed labor due to fetopelvic disproportion, unspecified
O65.5 - Obstructed labor due to abnormality of maternal pelvic organs
O65.8 - Obstructed labor due to other maternal pelvic abnormalities
O65.9 - Obstructed labor due to maternal pelvic abnormality, unspecified