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O66.2

Billable

Obstructed labor due to unusually large fetus

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

What This Code Means

Labor obstruction because the baby is abnormally large relative to the mother's pelvis, making vaginal delivery difficult or impossible.

Coding Tips

  • •Document the estimated fetal weight or measurements that support the diagnosis of an unusually large fetus
  • •Distinguish from O65.4 (fetopelvic disproportion unspecified) by confirming the fetus is the primary cause of obstruction

Code Hierarchy

└O66Other obstructed labor└O66.2Obstructed labor due to unusually large fetus
└O66.2Obstructed labor due to unusually large fetus

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