creatinine clearance

(redirected from Creatinin clearance)

cre·at·i·nine clear·ance

measurement of the clearance of endogenous creatinine, used for evaluating the glomerular filtration rate.
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creatinine clearance

Nephrology The ratio of the rate of creatinine excretion in urine to its concentration in serum, a value that reflects the body's ability to excrete creatinine; it is used to diagnose and monitor renal function
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.

cre·at·i·nine clear·ance

(krē-at'i-nin klēr'ăns)
A mathematical calculation of the total amount of creatinine excreted in the urine over a period of time, usually 24 hours to test renal function. The calculation is: creatinine clearance (mL/minute) = urine creatinine concentration (mL/dL) × volume of urine (mL/24 hour) ÷ plasma creatinine concentration (mg/dL) × 1440 minute/24 hour.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
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