Lipoprotein (a) Blood Test Test
A lipoprotein (a) test measures the level of lipoprotein (a) in your blood. A high level may mean you have a high risk for heart disease and stroke.
What this test measures
This test measures the level of lipoprotein (a), a type of LDL ("bad") cholesterol, in your blood. Lipoprotein (a) particles are stickier than other LDL particles and may be more likely to cause blockages and blood clots in your arteries.
What your results mean
Reference ranges vary by laboratory and by your age and sex. MedlinePlus does not publish a single normal range for this test — always read your result against the range printed on your own lab report and discuss it with your provider.
Higher-than-normal results
A high lipoprotein (a) level may mean you have a high risk for heart and blood vessel disease, even if your cholesterol levels are normal and you are healthy.
Frequently asked questions
What is lipoprotein (a)?
Lipoprotein (a) is a type of LDL ("bad") cholesterol. It is made of protein and fats and carries cholesterol through your bloodstream.
Why is a high level of lipoprotein (a) a concern?
High levels may mean you have a high risk for heart disease, stroke, and other serious conditions related to blockages and blood clots in your arteries.
Is this test part of a routine cholesterol check?
No, it is not a routine screening test. It is usually ordered if your health care provider thinks you might be at high risk for cardiovascular problems or if high levels run in your family.
Can my lipoprotein (a) level change over time?
Lipoprotein (a) levels usually don't change much over time, but test results may be affected by certain health conditions.
What should I do if my level is high?
Talk with your provider about what your test results mean. A high level may mean you have a high risk for heart and blood vessel disease, even if your cholesterol levels are normal.
Related lab tests
Sources
- MedlinePlus: Lipoprotein (a) Blood Test — NIH MedlinePlus
Last updated . Information is aggregated from official public sources and is not a substitute for professional medical care.