NCI Dictionary of Cancer Terms

The NCI Dictionary of Cancer Terms features 8,380 terms related to cancer and medicine.

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kidney function test
(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.