Blood Urea Nitrogen

BUN (Blood Urea Nitrogen), BUN:Creatinine Ratio, Urea Nitrogen, Blood

How To Prepare

Do not eat meat or other protein before having a blood urea nitrogen (BUN) test.


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Author: Jan Nissl, RN, BS
Sydney Youngerman-Cole, RN, BSN, RNC		Last Updated: November 21, 2006
Medical Review: Patrice Burgess, MD - Family Medicine
Andrew Swan, MD, CCFP, FCFP - Family Medicine

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Topic Contents
 Test Overview
 Why It Is Done
Arrow PointerHow To Prepare
 How It Is Done
 How It Feels
 Risks
 Results
 What Affects the Test
 What To Think About
 References
 Credits