Kidney Blood Test Results Low. It is also used to check for severe dehydration. The main test for kidney disease is a blood test.
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A gfr of 15 or lower may mean kidney failure. A gfr of 60 or higher is in the normal range. Gfr stands for glomerular filtration rate.
Gfr stands for glomerular filtration rate.
The bun or blood urea nitrogen test is another way to determine if the kidneys are successfully filtering the blood. Gfr stands for glomerular filtration rate. Urea nitrogen is normal in the blood at small levels but higher levels may indicate that the individual is experiencing kidney problems. The test measures the levels of a waste product called creatinine in your blood.