CPT® Code 78220

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The CPT® Code 78220 refers to a liver function study that utilizes hepatobiliary agents, specifically radioactive aminoacetic acids, to assess liver function. During this procedure, a physician administers these agents to the patient, which are then processed by the liver. The study involves capturing a series of images using a specialized camera that tracks the movement and processing of these agents as they are expelled through the bile duct. This imaging technique is crucial for evaluating the liver's functionality and can help identify any abnormalities or issues related to liver health. The procedure is non-invasive and provides valuable insights into the liver's ability to perform its essential functions, including the production of bile and the metabolism of various substances.