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Apo B

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Also known as: Apolipoprotein B-100
Formal name: Apolipoprotein B

At a Glance

Why Get Tested?

To help evaluate your risk of developing cardiovascular disease (CVD); sometimes to help monitor treatment for high cholesterol or to help diagnose a rare inherited apolipoprotein B (apo B) deficiency

When to Get Tested?

When you have a personal or family history of heart disease and/or high cholesterol and triglyceride levels and your health care provider is trying to determine your risk of developing CVD; sometimes on a regular basis when you are being treated for high cholesterol; rarely when your health practitioner suspects that you have an inherited apo B deficiency

Sample Required?

A blood sample drawn from a vein in your arm

Test Preparation Needed?

None; however, this test is often ordered at the same time as other tests that require fasting, so you may be instructed to fast for 12 hours prior to having this test.