Kidney Function Test Normal Range Uk. Ok 5 1 6 0. This is often calculated by computer and reported with the creatinine blood test.
Your doctor will want to investigate the cause of your kidney disease and continue to check your kidney function to help plan your treatment. Gfr decreases progressively after the age of 40 years. Creatinine is a breakdown product of normal muscle and meat in the diet.
In males normal levels may vary slightly between labs.
A gfr of 15 or lower may mean kidney failure. Stage 1 g1 a normal egfr above 90ml min but other tests have detected signs of kidney damage. Blood urea nitrogen bun level is another indicator of kidney function. A normal egfr is greater than 90 but values as low as 60 are considered normal if there is no other evidence of kidney disease.