Before your appointment please call Registration at 1-866-309-0832 if you have made any changes to your insurance. This will help lessen delays and so you do not have to reschedule your test since many radiology services require a pre-authorization.
Please see your letter for directions to your test.
If you have any questions or need to cancel your appointment please call 1-319-356-3444.
Getting ready for your test
Before your test, tell your doctor or nurse if you are:
- Pregnant or think you may be pregnant
- Allergic to contrast dye or iodine. Be sure to tell your doctor about these allergies before the day of your test. They may have you take medicine the night before and the morning of your test.
You may need to have blood drawn if you:
- Are over 60 years of age
- Have diabetes
- Have kidney problems
- Have medical problems that affect how your kidneys work
If you have recently had blood drawn you can bring those results with you.
- Do not eat, drink carbonated drinks, or smoke for two hours before your test.
- Do not drink anything for one hour before your test.
- Be sure to drink clear liquids, such as water, tea, broth, or apple juice before that time so you do not get dehydrated.
- If you have any other test today where you are told not to ear or drink for a longer amount of time, follow those instructions.
- You may take all of your prescriptions medicines up until one hour before your test.
You will need somebody to drive you home after your test if you are given:
- Pre-medications for an allergy, such as Benadryl
- Medicines to help you relax during the test
If you cannot do the prep listed below, you may not be able to have the test or it may need to be rescheduled.
What to expect
The test will take about one hour. You may also need a little extra time to recover after the test.
After the test
If you have diabetes and are taking Metformin (GlucophageTM), GlucovanceTMAvandametTM, Metaglip, TM Glumetza®, Riomet®, Actoplus Met®, Prandimet®, KombiglyzeTM, Janumet, Appformin, Fortamet, do not take it for 2 days (48 hours) after the test. Talk to your doctor about how to manage your diabetes during this time.
Talk with your nurse, doctor, or pharmacist if you do not know if your medicine has Metformin in it.