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LDL Particle Testing

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Also known as: LDL Subclasses; LDL-P; sdLDL; LDL Subfractions; HDL Subclasses; HDL Subfractions; LDL Particle Size; LDL Particle Number; LDL Count; LDL Pattern
Formal name: Low-Density Lipoprotein Subfraction Profile

At a Glance

Why Get Tested?

To help evaluate your risk of developing cardiovascular disease (CVD)

When to Get Tested?

When you have a personal and/or family history of CVD at an early age; when the result of your low-density lipoprotein cholesterol (LDL-C) test is within a healthy range, but your health practitioner thinks that you may have an increased risk of developing heart disease; sometimes to help monitor the effectiveness of lipid-lowering treatment and/or lifestyle changes

Sample Required?

A blood sample drawn from a vein in your arm

Test Preparation Needed?

You may need to fast for 9-12 hours before this test; only water is permitted. Follow any instructions you are given.