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A HIDA scan is a test that uses a radioactive substance (or tracer) to examine the liver, gallbladder and bile ducts in detail. The radiation you are exposed to with the injected radioactive substance is about the same as a regular x-ray. A HIDA scan is performed to detect abnormalities in the biliary system, such as inflammation of the gallbladder, abnormal gallbladder contractility, bile duct obstruction or liver disease. HIDA scans depict functional information that is not visible on routine x-ray or ultrasound examinations.


1. No liquids or solids for at least 6 hours.
2. On the day of your exam, please go directly to the 3310 Richmond location.
3. Please be sure to bring the signed order from your physician requesting the examination, and your insurance cards as well.


Please inform the technologist if you are pregnant or nursing.

Your Radiology Exam:

- During the test, your first step is to have a radioactive substance (or tracer) injected into a vein in your arm. You will not feel any effects from the injection. The radioactive substance travels through the blood, and eventually into the liver and biliary tree.
- You will be imaged at the time of injection for a period of 60 minutes. You will be positioned on a table with the camera above you.
- Your physician may request a CCK or Kinevac challenge. Once the gallbladder is seen, you will receive an injection of hormone that causes the gallbladder to contract. An additional 30 minute imaging time is required. Please relate any symptoms at this time to the technologist.
- Your physician will receive a report within 24 -48 hours.