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- postpartum atony of uterus without hemorrhage (O75.89)
- O62.3 Precipitate labor
- O62.4 Hypertonic, incoordinate, and prolonged uterine contractions
- Cervical spasm
- Contraction ring dystocia
- Dyscoordinate labor
- Hour-glass contraction of uterus
- Hypertonic uterine dysfunction
- Incoordinate uterine action
- Tetanic contractions
- Uterine dystocia NOS
- Uterine spasm
- Excludes1: dystocia (fetal) (maternal) NOS (O66.9)
- O62.8 Other abnormalities of forces of labor
- O62.9 Abnormality of forces of labor, unspecified
O63 Long labor
- O63.0 Prolonged first stage (of labor)
- O63.1 Prolonged second stage (of labor)
- O63.2 Delayed delivery of second twin, triplet, etc.
- O63.9 Long labor, unspecified
- Prolonged labor NOS
O64 Obstructed labor due to malposition and malpresentation of fetus
- One of the following 7th characters is to be assigned to each code under category O64. 7th character 0 is for single gestations and multiple gestations where the fetus is unspecified. 7th characters 1 through 9 are for cases of multiple gestations to identify the fetus for which the code applies. The appropriate code from category O30, Multiple gestation, must also be assigned when assigning a code from category O64 that has a 7th character of 1 through 9.
- 0 not applicable or unspecified
- 1 fetus 1
- 2 fetus 2
- 3 fetus 3
- 4 fetus 4
- 5 fetus 5
- 9 other fetus
- O64.0 Obstructed labor due to incomplete rotation of fetal head
- Deep transverse arrest
- Obstructed labor due to persistent occipitoiliac (position)
- Obstructed labor due to persistent occipitoposterior (position)
- Obstructed labor due to persistent occipitosacral (position)
- Obstructed labor due to persistent occipitotransverse (position)
- O64.1 Obstructed labor due to breech presentation
- Obstructed labor due to buttocks presentation