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- (KID-nee FUNK-shun ...) A test in which blood or urine samples are checked for the amounts of certain substances released by the kidneys. A higher- or lower-than-normal amount of a substance can be a sign that the kidneys are not working the way they should. Also called renal function test.
National Cancer Institute - Cite This Source - This Definition
- beta-2-microglobulin, blood chemistry study, CA 19-9 assay, discharge, Dysfunction, liver function test, ovulation, oxidative stress, oxygen saturation test, prostate-specific antigen test, PSA bounce, renal function test, serum tumor marker test, venous sampling