It is designed to make testing easy and extremely accurate. CardioChek whole blood test systems, by Polymer Technology Systems, are user friendly and feature rich, combining intelligent design with cutting edge technology. It measures total cholesterol, HDL cholesterol check total, triglycerides in whole blood. Lipid measurements are used in the diagnosis and treatment of lipoprotein metabolism and lipids disorders (such as diabetes mellitus). Atherosclerosis and various renal and liver diseases. Aprox 2 minute test time. stable 18-24 months. No refrigeration required.