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A member asked:
Why is creatinine measured in a 24 hour urine collection?
5 doctors weighed in across 2 answers
Tell kidney function: Single urine specimens can be tested for creatinine. But daily urine output and urinary concentration varies hence a 24 hr urine collection. Normal creatinine output for an adult should be >1gm/24 hours. Also getting blood creatinine provides optimal way to accurately determine creatine clearance which in turn is a most accurate way to measure kidney function.
Answered 2/25/2012
6.1k views
Cr clearance: To check creatinine clearance which is the function of the kidney. Also to check if urine was appropriately collected for 24 hours.
Answered 1/6/2013
5.4k views
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