Lipid panel
OmegaCheck
LOINC 90911-9 · %
Ranges
Optimal range: ≥ 5.4 %
What it is
OmegaCheck measures the total of the main omega-3 fatty acids (EPA, DPA and DHA) in your blood, reported as a percentage of all fatty acids.
Why it matters
It is a single summary of your omega-3 status, which research associates with cardiovascular health.
What high values can mean
A higher percentage reflects a better omega-3 status, generally regarded as favourable.
What low values can mean
A lower percentage suggests limited omega-3 intake.
How to improve it
Eating oily fish regularly, or supplementing under guidance, raises your overall omega-3 percentage.
Food & lifestyle
Salmon, sardines, mackerel, herring and quality fish-oil or algae supplements raise omega-3 status.
Preparing for the test
Part of a fatty-acid (omega) profile; fasting is usually not required — follow your lab's instructions.
When to talk to a doctor
Discuss with a clinician when focusing on cardiovascular prevention.
Related markers
Sources
- NIH Office of Dietary Supplements
- Testing.com (AACC)
Content reviewed on June 26, 2026
Medical disclaimer
This content is for educational purposes only. It is not medical advice and does not diagnose, treat, or prevent any condition. Reference ranges vary between laboratories — always use the range printed on your report and discuss your results with a healthcare professional.
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