CAT Scan of the Abdomen and Pelvis

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St. Mary's Regional Medical Center
Dept. of Imaging Services


A CT of the abdomen and pelvis with contrast may require the use of  both oral and IV contrast so that good images can be obtained.  [If you have a computer, you may want to read more about this type of exam on website:  

If you are 70 years old or older, a Creatinine lab test will need to be done BEFORE your CT exam. This creatinine test should also be done if you have a history of diabetes or kidney disease. (Test results within 30 days prior to your CT appointment are acceptable.)

If you have diabetes and taking any of the metformin formulas listed below, please do not take the morning dose on the day of your CT exam

Brand Name Generic Name 
1. Actoplus MET pioglitazone/metformin
2. Avandamet                 rosiglitazone/metformin
3. Fortamet  metformin
4. Glucophage metformin
5. Glucophage XR  metformin
6. Glucovance glyburide/metformin
7. Glumetza metformin
8. Janumet sitagliptin/metformin
9. Metaglip glipizide/metformin
10. Riomet metformin
11. PrandiMet repaglinide/metformin
12. Jentadueto linagliptin/metformin
13. Kombiglyze XR saxagliptin/metformin
14. Kazano alogliptin/metformin

Here are the steps to follow before your exam:

  1. Obtain the oral contrast called Omnipaque 240 from your doctor's office  or  from the Radiology Department at St. Mary's Regional Medical Center. Store the package in a cool, dark place overnight.
  2. On the day of your CT exam, DO NOT eat any solid foods during the 4 hours before your exam. You should drink extra water.  About 2 hours before your appointment, pour one 50 ml unit dose bottle of Omnipaque 240 into 4 cups of cold water. Start drinking.
  3. FINISH drinking all the liquid 90 minutes before your CT appointment.
  4. You can take your routine medications (except for the diabetes medications listed above).
  5. Please bring a list of your current medications with you to your CT appointment.
  6. If you have any questions, call the St. Mary's Regional Medical Center Radiology Department at 777-8482. Thank you.

Revised 8/14/14 DMK   

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