TNNI3 and coronary artery disorder: In recent years, biomarkers have been identified as important tools for prognostication in patients with CAD beyond that with conventional risk factors, and most data focused on the value of biomarkers for those with acute syndromes such as MI.3, 4, 5, 6 The most widely studied biomarkers for evaluation of acute complications of CAD are cardiac troponins I and T. Recent refinements in assay technology have led to the development of highly sensitive assays for measurement of cardiac troponin.