Undernutrition (BMI<18.5) was significantly higher among patients with diabetic nephropathy [AOR = 2.00, 95% CI, 1.09–2.66], serum albumin value less than 3.8g/dl [AOR = 4.21: CI, 2.07–5.07], recently diagnosed with diabetes mellitus [AOR = 2.36, 95% CI, 1.03–3.14] and stage V chronic kidney disease [AOR = 3.25:95% CI, 1.00–3.87]. This evidence concerns the gene ALB and diabetic kidney disease.