Quest Test

Apolipoprotein Assessment Blood Test

Quick Overview

Evaluates risk of cardiovascular disease and includes apolipoprotein A-1, apolipoprotein B, and apolipoprotein B/A1 ratio.

Test #7018


Availability: In stock

Also Known As Alpha and Beta Apolipoproteins, Apolipoprotein A-1 and B, Apolipoprotein Evaluation
Preparation Fasting for 12-14 hours required.
Test Results 2-3 days. May take longer based on weather, holiday or lab delays.

The apolipoprotein blood test is used to assess a person's overall heart health and risk of heart attack.  The test is commonly ordered for those:

  • who have already survived a heart attack
  • who have peripheral vascular diseases
  • or for those who have other conditions or habits - such as diabetes, obesity, smoking, or kidney disease

Apolipoprotein is used to metabolize lipids and create the high-density lipoproteins (HDL) that are often referred to as “good” cholesterol.  This type of cholesterol moves through the bloodstream and helps to detach “bad" cholesterol from the walls of the arteries and moves it to the liver, which then filters out the bad cholesterol and expels it from the body as waste.  If apolipoprotein or HDL levels are too low, bad cholesterol can build up and start to block the arteries, increasing the risk of a blood clot getting stuck and causing a heart attack.  Men are more likely to have heart-related conditions than women are, mainly because women naturally have more apolipoprotein in their blood and so their bodies can more efficiently get rid of “bad” cholesterol.

Results of the blood test are interpreted by getting an estimated count of the number of apolipoprotein in the blood sample.  Low levels of apolipoprotein in the blood suggest that there are also low levels of HDL.  This puts one at higher risk of a heart attack and other heart problems.  Higher than normal levels of apolipoprotein in the blood can be caused by taking certain medications, by routine exercise, or by becoming pregnant.   

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