Lipoprotein-a

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Lipoproteins are molecules made of proteins and fat. They transport cholesterol and similar compounds in the blood. The lipoprotein-a test measures the levels of lipoprotein-a in serum.

Lp(a); Lipoprotein(a); Lipoprotein “little a”

Blood is drawn from a vein, usually from the inside of the elbow or the back of the hand. An elastic band is placed around the upper arm to apply pressure and cause the vein to swell with blood. The puncture site is cleaned with antiseptic. A needle is inserted into the vein, and the blood is collected in an air-tight vial or a syringe. The blood will be processed in the laboratory, and the level of serum Lp(a) will be measured.

You will be asked to fast for 12 hours prior to the test. You may not smoke before the test.

A needle is inserted to draw blood. You may feel moderate pain, or only a prick or stinging sensation. Afterward, there may be some throbbing.

The test is performed as an additional tool to assess a person’s risk of atherosclerosis, stroke, and heart attack.

Review Date: 12/28/2005
Reviewed By: Steven Kang, MD, Division of Cardiac Pacing and Electrophysiology, East Bay Arrhythmia, Cardiovascular Consultants Medical Group,Oakland, CA. Review provided by VeriMed Healthcare Network.