Measuring platelet aggregation with ADP is one of the important factors to evaluate platelet activity, as well as partly the effectiveness of antiplatelet drugs.

Platelets play a very important role in many processes of the body such as blood clotting, blood clotting, vasoconstriction and repair as well as immunity, inflammation, atherosclerosis. In which, the blood clotting process is of great clinical interest and platelet aggregation test will help evaluate this function of platelets in the patient's body.