[Test Name and Number] Amniotic Bilirubin Scan 0080276 Method: Quantitative Spectrophotometry [Limitations] Bloody amniotic fluid compromises accuracy [Follow Up] Ultrasound measurement of the middle cerebral artery blood velocity can estimate fetal anemia [Recommended Use] 
Assess alloimmune hemolytic disease of the fetus Follow progression of disease to determine need for fetal transfusion or early delivery Evaluate in conjunction with fetal Rh genotyping