The TCHDLGLU Cassette measures total cholesterol (TC), a measure of the total amount of cholesterol in the blood, and high density lipoprotein (HDL) cholesterol (referred to as the "good cholesterol") as well as glucose (GLU), a measure of blood sugar. TCHDLGLU also calculates the TC/HDL ratio and non-HDL cholesterol. For use with the Alere Cholestech LDX® System. Benefits Rapid: Yields results in 5 minutes Flexible: fingerstick or venous whole blood, plasma or serum sample Convenient: Sample size is 40 ?L