creatinine clearance

The creatinine clearance - A type of kidney function test in which the level of creatinine in the blood and the urine is measured. The blood level is measured, then the urine is collected and tested over 24 hours to measure the level of creatinine being excreted.

The two levels are compared; if there is a high level of creatinine in the blood but a low level in the urine, it shows that the kidneys are not effectively clearing creatinine from the body.


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