Male 58,diabetic since last 12 years , heart patient . recent kidney test show serum creatinine 1.4 .urea,uric acid normal. is it due to kidney damage?

Mild kidney disease: A creatinine of 1.4 is mild kidney disease or stage 1. It is likely caused by your diabetes but could be transiently high due to not enough hydration. Avoid dehydration. Optimum blood glucose and blood pressure control will slow progression of kidney damage.

Yes: Most probably. High BP, Previous kidney damage, dehydration at point of test may affect the number.

See below: For age 58 diabetic,serum creatinine of 1.4 is not bad. The main thing is to control blood pressure and limit daily sodium intake to no more than 2000mg daily.Also limit protein to 0.8gm per Kg.body weight.For an average 70kg.male +56gm daily.Read the labels because protein is not just from meat.Tell him to be approximate,no need to get obsessed w.these #s.Must enjoy life a little too.Good luck.

Here are some ...: Creatinine at 1.4 mg/dl is at its upper limit, which could suggest his renal function has reached its marginal status, which is possible for someone at 58 with heart condition. Fact: Serum creatinine would not change until a loss of some 65% of total renal function. So, maintain adequate hydration, avoid kidney-damaging drugs, and watch it closely. For detail, ask Doc timely.