Renal Failure Staging By Gfr. In these stages kidney disease can be caught before it has done any significant damage. Early stages can have few symptoms which is why it s important that you ask your doctor to perform a test called the glomerular filtration rate gfr.
The five stages of chronic kidney disease ckd are based on how well kidneys are working. The formula to calculate gfr includes body size age sex and ethnicity. The national kidney foundation nkf has created a guideline to make it easier for doctors to identify different stages of kidney disease.
Your gfr tells your doctor your stage of kidney disease and helps the doctor plan your treatment.
Stage 1 indicates a person with normal gfr at or above 90ml min. Early stages can have few symptoms which is why it s important that you ask your doctor to perform a test called the glomerular filtration rate gfr. Egfr estimated glomerular filtration rate is the best test to measure your level of kidney function and determine your stage of kidney disease. Stage 3 4 and 5.