More than 1 cause: This can be a sign of kidney disease or excessive use of creatinine supplements.
Answered 2/4/2012
6.1k views
Not much: Urine creatinine is concentrated with dehydration, but is always higher than blood creatinine except in severe kidney desease. The urine creatinine is much higher than blood in a normal state.. The importance of urine creatinine is in the calculation of creatinine clearance and fractional excretions. This requires interpretation by your physician.
Answered 10/24/2016
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