What is HDL?
HDL, or high-density lipoprotein, is commonly referred to as the “good cholesterol.” Unlike to LDL, the low-density lipoproteins that should be at low levels, HDL levels in the body are supposed to be fairly high. HDL helps excess cholesterol return to the liver for excretion through the gastrointestinal system. HDL is known as good cholesterol because it aids in the removal of cholesterol that can block arteries and reduce blood flow. HDL levels are obtained with a simple blood test. The blood test is ordered by a physician either as part of a routine physical or for screening purposes. This blood test is called a lipid profile, and it measures both HDL and LDL levels along with total cholesterol. The test provides a doctor with indicators that help evaluate a patient’s risk factor for heart disease. Cholesterol levels are measured in milligrams per deciliter of blood. When a lipid profile is ordered, the doctor may require a 12-hour fasting test and may also require certain medicatio
