Nonalbuminuric renal dysfunction may represent a form of DKD that remains undetected due to the early and effective application of anti‐albuminuric treatments—such as renin–angiotensin system inhibitors—and rigorous management of blood glucose, lipids, and blood pressure, either during the initial stages of type 2 diabetes or long before its formal diagnosis [27]. Here, REN is linked to diabetic kidney disease.