"Serum cholesterol" refers to the level of cholesterol found in the liquid part of your blood. Cholesterol is a fat-like substance that is present in your body and is used for various functions. However, if the level of cholesterol in your blood is too high, it can lead to health problems like heart disease. Monitoring your
serum cholesterol helps doctors understand your risk of developing these conditions and can guide them in providing appropriate treatment.
Full definition