Kidney function tests are common lab tests used to evaluate how well the kidneys are working. See links below for details of how each test is performed:
BUN Creatinine - blood Creatinine clearance Creatinine - urine
How the test is performed
How to prepare for the test
How the test will feel
Why the test is performed
Review Date: 10/30/2010
Reviewed By: Linda Vorvick, MD, Medical Director, MEDEX Northwest Division of Physician Assistant Studies, University of Washington School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.