EXTRAHEPATIC BILIARY ATRESIA: DIAGNOSTIC EVALUATION
Clinical history, physical examination, LFT’s, studies for known causes of direct hyperbilirubinemia due to impaired hepatocellular function.
Ultrasound: Presence and size of gallbladder.
Radioisotope imaging (Technetium 99m): Excretion of agent into intestinal tract rules out EBA.