Labor and delivery complicated by abnormality of fetal acid-base balance
Notes: Fetal acidemia complicating labor and delivery ; Fetal acidosis complicating labor and delivery ; Fetal alkalosis complicating labor and delivery ; Fetal metabolic acidemia complicating labor and delivery ; fetal stress NOS (O77.9) ; labor and delivery complicated by electrocardiographic evidence of fetal stress (O77.8) ; labor and delivery complicated by ultrasonic evidence of fetal stress (O77.8) ; abnormality in fetal heart rate or rhythm (O76) ; labor and delivery complicated by meconium in amniotic fluid (O77.0)