A High-Density Lipoprotein (HDL) blood test is a test that measures the level of HDL cholesterol in the blood. HDL cholesterol is often referred to as "good" cholesterol because it helps to remove excess cholesterol from the arteries and transport it to the liver for removal from the body. The test is typically done along with other cholesterol tests, such as a Low-Density Lipoprotein (LDL) test, to get a complete picture of an individual's cholesterol levels.
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