This test measures Creatinine levels in a 24 hour urine sample. Creatinine is a waste product produced by the breakdown of creatine in the muscles. Because creatinine is normally excreted from the body through the kidneys, measuring creatinine levels is a way of evaluating kidney function. This test can help to evaluate how much creatinine is being filtered out of the body in the urine.
This test may be ordered when someone has symptoms of a kidney disorder or if they have had abnormal results from other kidney function tests. For a more comprehensive test, customers can also order the Creatinine Clearance test which measures creatinine in both blood and a 24 hr urine sample.
Turnaround time for the Creatinine, 24-hour Urine test is typically 1 business day.
Note: Result turn around times are an estimate and are not guaranteed. Our reference lab may need additional time due to weather, holidays, confirmation/repeat testing, or equipment maintenance.
The Creatinine, 24-hour Urine test requires people void urine at 8am and discard the specimen. Then collect all urine in 24-hour period, ending with final collection at 8am the next morning.
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