What is the best indicator of having diabetic nephropathy?

Protein in the urine: Diabetic nephropathy is kidney disease caused by long-standing diabetes. The best indicator that diabetic nephropathy is developing is the amount of urine protein. Normally there is none, or tiny amounts of protein found. In diabetic nephropathy there will be more and more protein spilled into the urine. That's why doctors monitor urine protein, along with blood tests for kidney function.

Protein in he Urine: Diabetic nephropathy can be determined by two ways via a blood test called creatinine and measuring the protein in the urine (proteinuria). However your doctor will notice proteinuria before your creatinine becomes abnormal. The best way to prevent these issues is to control your diabetes.