Creatinine And Creatinine Clearance: How To Prepare


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How To Prepare


Do not do any strenuous exercise for 2 days (48 hours) before having creatinine tests.

Do not eat more than of meat, especially beef, or other protein for 24 hours before the blood creatinine test and during the creatinine clearance urine test.

It is important to drink enough fluids during the 24-hour urine collection but do not drink coffee and tea. These are diuretics that cause your body to pass more urine.



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Last updated: August 12, 2008
Author: Monica Rhodes
Reviewed By: E. Gregory Thompson, MD - Internal Medicine, Tushar J. Vachharajani, MD, FASN, FACP - Nephrology
Editors: Maria Essig, Tracy Landauer

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