Gfr Kidney Test Procedure. The gfr test is performed in the same way as any blood sampling test would be performed. The estimated gfr test is a blood test and there is no special preparation required prior to the test.
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So if you complain. The test is performed using a needle which is used to collect a sample of blood from the patient s body. There are five main stages of kidney damage.
If the level of gfr is low then your kidneys will have more damage.
Egfr estimated glomerular filtration rate is the best test to measure your level of kidney function and determine your stage of kidney disease. Your doctor will order an egfr test if he suspects you have chronic kidney disease. Doctors have staged the progression of chronic kidney disease ckd from stage 1 to stage 5 in the increasing order of its severity. In many cases the gfr test is referred to as the egfr test with the e standing for estimated.