If you are scheduled for a PET/CT scan

  • All prescription medications, including oral diabetic medications, should be taken as directed.
  • Take your medication with water. (Note: If your doctor wants you to take your medication with food, your test can be scheduled at a later time.)
  • Complete food fasting is required six hours prior to your appointment.

Please use these instructions to prepare for this test.

And don't forget to bring your photo ID, list of medications, and your insurance cards.

24-48 hours prior to your appointment (48 hours is ideal): 

  • Exercises such as jogging, cycling, weightlifting, strenuous housework, yard work, and sexual activity should be avoided.
  • Patients are advised not to chew gum.

24 hours prior to your appointment:

  • A high-protein, low-carbohydrate diet is required.
  • Do not eat any carbohydrates (bread, potatoes, pasta, or rice).
  • Do eat meals high in protein (meats, fish, eggs, vegetables, and salads).

12 hours prior to your appointment:

  • Do not use nicotine, alcohol, or caffeine products.

6 hours prior to your appointment:

  • Do not eat anything. Complete food fasting is required. This includes stopping of tube feedings, dextrose-containing intravenous fluids, and parenteral hyperalimentation.
  • No sugar or carbohydrate intake of any kind is allowed, including candy or breath mints.
  • Plain water is the only beverage to be consumed six hours prior to your appointment. Do not drink flavored water.
  • Patients are encouraged to stay well hydrated. Recommend two liters of plain water in the
Outpatient CT Contrast Guidelines

Contrast not recommended for patients with eGFR <30
Serum creatinine/eGFR must be obtained within 3 months for any outpatient with:
History of kidney problems (kidney transplant, single kidney, kidney cancer, kidney surgery, or dialysis); hypertension requiring medication Diabetes and All patients age 60 or older
NO premedication is necessary if there is a history of allergy to medication, food, iodine, asthma or gadolinium (MR) contrast media, regardless of number and severity. 

A non-contrast CT or alternative imaging exam is recommended in patients with a history of a severe
iodinated contrast reaction of anaphylaxis.