Reference range:

The Omega-3 Index test by Quest Diagnostics measures the levels of omega-3 fatty acids in the serum, with a focus on eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA), which are expressed as a percentage of phospholipid fatty acids. A diet rich in these omega-3 fatty acids is linked to a reduced risk of cardiovascular events, including sudden cardiac death. The Omega-3 Index is used as an indicator of risk for such events and as a therapeutic target. Additionally, a higher EPA/Arachidonic Acid ratio, which is also measured in this test, is associated with a lower risk of cardiac issues.

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