ICD-10 Diagnosis Code O66.2

Obstructed labor due to unusually large fetus

Diagnosis Code O66.2

ICD-10: O66.2
Short Description: Obstructed labor due to unusually large fetus
Long Description: Obstructed labor due to unusually large fetus
This is the 2018 version of the ICD-10-CM diagnosis code O66.2

Valid for Submission
The code O66.2 is valid for submission for HIPAA-covered transactions.

Code Classification
  • Pregnancy, childbirth and the puerperium (O00–O99)
    • Complications of labor and delivery (O60-O77)
      • Other obstructed labor (O66)

Information for Patients


Childbirth Problems

While childbirth usually goes well, complications can happen. They can cause a risk to the mother, baby, or both. Possible complications include

  • Preterm (premature) labor, when labor starts before 37 completed weeks of pregnancy
  • Problems with the umbilical cord
  • Problems with the position of the baby, such as breech, in which the baby is going to come out feet first
  • Birth injuries

For some of these problems, the baby may need to be delivered surgically by a Cesarean section.

  • Assisted delivery with forceps (Medical Encyclopedia)
  • Brachial plexus injury in newborns (Medical Encyclopedia)
  • Breech birth (Medical Encyclopedia)
  • Caput succedaneum (Medical Encyclopedia)
  • Meconium aspiration syndrome (Medical Encyclopedia)
  • Premature rupture of membranes (Medical Encyclopedia)


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