Obstructed labor due to other maternal pelvic abnormalities

This code signifies a labor dystocia resulting from an anatomical anomaly of the maternal pelvis, other than those specifically classified elsewhere (e.g., contracted pelvis, abnormal bony pelvis). This obstruction prevents the normal descent and expulsion of the fetus, often necessitating intervention.

Apply this code when documentation clearly indicates labor arrest or failure to progress due to a maternal pelvic structural issue not otherwise specified. Examples include pelvic tumors, exostoses, or other non-bony pelvic deformities impacting the birth canal. Supporting documentation should detail the specific pelvic abnormality and its obstructive effect on labor.

• Ensure the documentation specifies a maternal pelvic abnormality as the cause of obstruction, not fetal factors or uterine dysfunction.
• Distinguish this from codes for contracted pelvis (O65.1-O65.4) or other specified bony pelvic abnormalities (O65.5).
• Always sequence this code after the primary obstetric complication (e.g., prolonged labor) if applicable, and before codes for interventions performed.