The typical GFR value is 90 or above. A GFR value of less than 90 can be a sign of kidney problems. The blood urea nitrogen (BUN) test checks for urea nitrogen, a waste product, in the blood.

your doctor may also order a blood test to measure BUN levels if they suspect you have kidney disease. Doctors take the creatinine, GFR and BUN results together to give them an idea of how the ...

Blood tests: Blood tests such as serum creatinine ... Read this Glomerular Filtration Rate (GFR): GFR is a measure of how ...

A worldwide movement is underway to oblige laboratories to provide an estimated glomerular filtration rate (eGFR) whenever serum creatinine concentration is measured at the request of a physician.

Kidney damage is defined as pathologic abnormalities or markers of damage, including abnormalities in blood or urine tests or imaging studies. Abbreviations: GFR, glomerular filtration rate ...