Lipoprotein(a) mass concentration in serum/plasma

What is lipoprotein(a)?

Lipoprotein(a) is a unique lipoprotein particle that combines cholesterol with a protein called apolipoprotein(a). While it carries cholesterol like other lipoproteins, it also has a distinct role in blood clotting. Elevated levels may contribute to plaque buildup in arteries, increasing the risk of heart disease or stroke.

Why might your doctor order this test?

Your doctor may recommend this test if you have a family history of early heart disease, certain genetic conditions, or if you’ve had a heart attack or stroke. It may also be part of a broader cardiovascular risk assessment, especially if you have high cholesterol or other risk factors.

How is the test performed?

A blood sample is drawn from a vein, typically in your arm. The sample is processed to separate the lipoprotein(a) from other blood components, and the amount is measured using a specialized laboratory technique.

What does a high or low result mean?

Results are not interpreted in absolute terms without clinical context. High levels of lipoprotein(a) are associated with increased cardiovascular risk, while low levels may indicate a lower risk. Your doctor will consider your overall health, other risk factors, and test results together to guide treatment decisions.