Doctors consider a GFR of 60 or over to be normal, while a GFR of less than 60 may indicate kidney disease. A GFR level of 15 or less indicates kidney failure. A blockage in urine flow ...

Doctors take the creatinine, GFR and BUN results together to give them an idea of how the kidney is functioning. Normal creatinine levels generally fall between 0.7 and 1.2 milligrams per deciliter.

The researchers found that patients with early GFR loss had significantly higher baseline levels of serum uric acid than patients with stable renal function. They also identified a dose–response ...