The Lipoprotein-a or Lp (a) test is used to measure the level of a particular type of lipoprotein which can increase a person's risk for cardiovascular disease. A person's Lp (a) level is typically genetically determined so it is unaffected by lifestyle changes and most medications. A person with elevated Lp (a) levels is usually advised to take extra care in managing other more controllable risk factors for heart disease.
This test is usually ordered when someone has a family history of heart disease or has been diagnosed with conditions that are linked to high Lp (a) levels. These conditions can include estrogen depletion, hypothyroidism, uncontrolled diabetes, hypercholesterolemia, or kidney failure. An Lp (a) test is often ordered with other tests which look for heart disease risk factors such as a C-Reactive Protein High Sensitivity or Homocysteine test.
Turnaround time for the Lipoprotein-a test is typically 1-3 business days.
Note: Result turn around times are an estimate and are not guaranteed. Our reference lab may need additional time due to weather, holidays, confirmation/repeat testing, or equipment maintenance.
Intake of alcohol, aspirin, niacin and estrogen supplements have the potential of causing a misrepresentation of true LP (a) concentrations.
The Lipoprotein (a) test has no fasting requirements.
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