Kidney Function Test Normal Values. Glomerular filtration rate gfr. It gives your doctor an idea of how much.
This test is a measure of how well the kidneys are removing wastes and excess fluid from the blood. The normal value for gfr is 90 or above. Normal gfr can vary according to age as you get older it can decrease.
A gfr of 15 or lower may mean kidney failure.
Kidney function tests target either the blood or urine and measure different aspects of kidney function. Too much albumin can lead to proteinuria where 150 mg of protein per day is excreted to the blood. A 24 hour urine sample is a creatinine clearance test. Glomerular filtration rate gfr.