What is Lipoprotein A / Lp(a) Test?
Lipoprotein (a) or Lp(a) is a low-density lipoprotein that is capable of transporting cholesterol through the bloodstream. Lipoproteins are composed of fat and proteins. The Lp(a) test is used to analyze the level of this lipoprotein in the blood. The Lp(a) test is used to diagnose various diseases, particularly those associated with the heart. A high Lp(a) level is associated with a greater risk of heart diseases.