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Hepatobiliary (HIDA) Scan

A HIDA scan evaluates gallbladder function, suspicious right upper stomach pain, and acute cholecystitis, an obstruction of the bile duct.

What to Bring

  • Your physician order (your physician may have already sent this to us)
  • Personal ID
  • Insurance Cards

How to Prepare

  • Prior to bedtime, the night before the test, please eat a candy bar, power bar or drink a glass of whole milk.
  • You must fast 6 hours before the exam.
  • Please hold narcotic medications 4 hours prior to test.
  • Please inform the technologist if you are pregnant.
  • If you wear an on-body device (insulin pump, insulin regulators, Neulasta, other chemo/insulin devices, etc.), you must inform your technologist.

What to Expect

  • The technologist will explain the test and answer any questions you may have.
  • You will be lying on your back on an examination table or stretcher for images to be taken.
  • You will be given a small amount of radioactive tracer (the imaging agent) in your vein. There are no side effects to the injection.
  • After the injection of the imaging agent, you will have images taken for approximately 60 minutes.
  • If your doctor has ordered ejection fraction (gallbladder function) to be calculated, the technologist will give you 8 ounces of Ensure Plus to drink after 1 hour of imaging.
  • After you drink the Ensure Plus, you will be seated in the lobby for 1 hour to allow the Ensure to take effect. After 1 hour, the final image will be taken.
  • The exam may take 1-2 hours total.

After the Exam

  • You may resume your medications as prescribed.
  • Your study will be reviewed by a Radiologist and the results sent to your physician. Your physician will discuss these results with you.