Is serum cretanine of 1.28 high for a person with diabetes! Is it alarming. What is the normal range.?

See below. Your result is at the upper limit of normal. You should consult your doctor for further evaluation, especially to see if there is protein in your urine. Medication can stabilize renal function. It is very important to maintain glucose control. See this site for more info. http://www.mayoclinic.org/tests-procedures/creatinine/basics/results/PRC-20014534.