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
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.