Why am I having this test?
Creatinine clearance (CrCl) is a test that measures how well the kidneys are working. You may have this test as part of a routine blood test, or your health care provider may recommend this test if he or she thinks you may have a condition that affects your kidney function.
Creatinine is a waste product of normal muscle activity (contraction). The kidneys filter (clear) creatinine from your blood and remove it from your body through urination.
What is being tested?
This test measures how quickly the kidneys clear creatinine from your bloodstream.
What kind of sample is taken?
Urine samples collected over a period of 24 hours are required for this test. A blood sample is also required, which is usually collected at
Creatinine clearance (CrCl) is a test that measures how well the kidneys are working. You may have this test as part of a routine blood test, or your health care provider may recommend this test if he or she thinks you may have a condition that affects your kidney function.
Creatinine is a waste product of normal muscle activity (contraction). The kidneys filter (clear) creatinine from your blood and remove it from your body through urination.
What is being tested?
This test measures how quickly the kidneys clear creatinine from your bloodstream.
What kind of sample is taken?
Urine samples collected over a period of 24 hours are required for this test. A blood sample is also required, which is usually collected at