creatinine clearance test

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creatinine

 [kre-at´ĭ-nin]
a nitrogenous compound formed as the end product of creatine metabolism. It is formed in the muscle in relatively small amounts, passes into the blood and is excreted in the urine. A laboratory test for the creatinine level in the blood may be used as a measurement of kidney function (see creatinine clearance).
creatinine clearance test a test of renal function based on the rate of creatinine clearance.

creatinine clearance test

A test of the rate at which the kidneys are removing CREATININE from the blood. This is an index of the rate of filtration of the blood by the kidneys and thus of their health and efficiency.