Kidney Function Test Egfr. Egfr estimated glomerular filtration rate is the best test to measure your level of kidney function and determine your stage of kidney disease. An estimated gfr test egfr can tell your doctor how.
To test your kidney function your doctor will order a set of tests that can estimate your glomerular filtration rate gfr. Explaining your kidney test results your gfr result on on date was. Your doctor can calculate it from the results of your blood creatinine test your age body size and gender.
Accurate estimates of the gfr are important for identifying kidney disease which often has no symptoms until just before the kidneys fail.
Urine tests can also detect whether the kidneys are leaking abnormal amounts of protein a sign of kidney damage. Egfr in normal range 60 89 with other signs of kidney damage like protein in urine or physical damage to the kidneys. The glomerular filtration rate or gfr is a measure of how well your kidneys are cleaning your blood taking out waste and extra water. A gfr of 15 or lower may mean kidney failure.