Quote:
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Two substances in the blood – urea and creatinine – are commonly analysed, as these are products of metabolism that are normally excreted by the kidneys. In renal failure the blood concentration of these two products will be increased. However, as there are some conditions other than chronic renal failure that can also elevate these concentrations, a urine sample is usually analysed at the same time.
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I wonder why the vet didn't test her urine? Of course I still don't know what the labwork says. Just 'elevated kidney levels' is all he said. I wonder if that means something different than what is said above.