What is a hida scan?

A HIDA scan, or hepatobiliary iminodiacetic acid scan, is a medical imaging test used to evaluate the function of the liver, gallbladder, and bile ducts. During the procedure, a radioactive tracer is injected into a vein, and a gamma camera captures images as the tracer moves through the liver and biliary system. This test can help diagnose conditions such as gallbladder disease, bile duct obstructions, and liver dysfunction. It is non-invasive and typically takes about one to four hours to complete.