Kidney Function Urine Test Normal Range. Your gfr number tells you how much kidney function you have as kidney disease gets worse the gfr number goes down. A gfr of 15 or lower may mean kidney failure.

Kidney function can fluctuate through the course of a day so this test provides a look at the average function of the kidneys. Kidney function tests usually require a 24 hour urine sample and a blood test. A 24 hour urine sample is a creatinine clearance test.
The microalbuminuria is a much more sensitive test which can.
A gfr of 60 or higher is in the normal range. Anything higher than this may be a sign of kidney disease. Uses of kidney function 5 test if gfr value is below 60 it indicates kidney disease. The microalbuminuria is a much more sensitive test which can.