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O66

Other obstructed labor

O66.0

Obstructed labor due to shoulder dystocia

• Impacted shoulders

O66.1

Obstructed labor due to locked twins

O66.2

Obstructed labor due to unusually large fetus

O66.3

Obstructed labor due to other abnormalities of fetus

• Dystocia due to fetal ascites
• Dystocia due to fetal hydrops
• Dystocia due to fetal meningomyelocele
• Dystocia due to fetal sacral teratoma
• Dystocia due to fetal tumor
• Dystocia due to hydrocephalic fetus

O66.4

Failed trial of labor

O66.40

Failed trial of labor, unspecified

O66.41

Failed attempted vaginal birth after previous cesarean delivery

O66.5

Attempted application of vacuum extractor and forceps

• Attempted application of vacuum or forceps, with subsequent delivery by forceps or cesarean delivery

O66.6

Obstructed labor due to other multiple fetuses

O66.8

Other specified obstructed labor

O66.9

Obstructed labor, unspecified

• Dystocia NOS
• Fetal dystocia NOS
• Maternal dystocia NOS