The PTS Diagnostics Total Cholesterol and HDL Test Strip measures both total cholesterol (TC) and high density lipoprotein (HDL). Total cholesterol is an indication of the overall amount of cholesterol circulating in the blood at the time the test is given.High density lipoprotein is beneficial to heart health due to its ability to transport cholesterol and triglycerides within the water-based bloodstream to the liver for removal or re-utilization. Approximately 85% of the cholesterol in our blood is produced by our own bodies with the remaining 15% coming from animal products found in our diet. Moderate amounts of cholesterol are essential for production, maintenance, and fluidity of cell membranes; nerve insulation and conduction; as well as hormone and bile salt production. However, a high cholesterol level (over 200 mg/dL) and/or a low HDL level (under 60 mg/dL) can be detrimental to our health, leading to increased fat deposits and build up in blood vessel walls, clogged arteries