Creatinine Clearance

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Definition

The creatinine clearance test compares the level of creatinine in urine with the creatinine level in the blood. (Creatinine is a breakdown product of creatine, which is an important part of muscle.) The test helps provide information on kidney function.

See also:

  • Creatinine - blood test
  • Creatinine - urine test

How the test is performed

This test requires both a blood and urine sample. You will collect your urine for 24 hours, and then have blood taken.

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