•Diagnosis of acute cholecystitis (both calculus and acalculous disease)
•Determination of patency of common bile duct when ultrasound examination not diagnostic (e.g., very early obstruction)
•Evaluation of biliary dyskinesia (gallbladder ejection fraction [GBEF] test) for chronic cholecystitis
•Identification of biliary leaks
•Differentiation of biliary atresia from neonatal hepatitis
•Evaluation of presence, or absence of, spleen (with T-99m SC Liver Scan). •Suspected sphincter of Oddi dysfunction or partial biliary obstruction due to stones or stricture.