Renal Failure Stages Gfr. In these stages kidney disease can be caught before it has done any significant damage. A urine test blood test imaging test or kidney biopsy can help determine if something is wrong with the kidneys.
Egfr estimated glomerular filtration rate is the best test to measure your level of kidney function and determine your stage of kidney disease. Chronic kidney disease ckd refers to all five stages of kidney damage from very mild damage in stage 1 to complete kidney failure in stage 5. In the early stages of kidney disease your kidneys are still able to filter out waste from your blood.
Glomerular filtration rate gfr gfr or glomerular filtration rate shows how much blood your kidneys filter in 1 minute.
The gfr glomerular filtration rate is a measure of how much blood in millilitres is cleaned by the kidneys in one minute. In the early stages of kidney disease your kidneys are still able to filter out waste from your blood. A math formula using the person s age race gender and their serum creatinine is used to calculate a gfr. Stage 4 gfr 15 29.