--- title: EPA Test type: biomarker url: "https://www.test-well.com/biomarkers/epa" also_known_as: - epa - eicosapentaenoic acid category: Heart Health units: - mcg/mL - ug/mL order_price_usd: 69.99 order_item: Omega-3 Index order_url: "https://www.test-well.com/tests/omega-3-index" reviewed_at: 2026-09-05 --- # EPA > EPA is measured with a standard blood draw; no fasting is needed. A typical reference range is 14.0 – 100 mcg/mL. At TestWell it's $69.99 all-in as Omega-3 Index, results in 7–10 business days, drawn at Quest. An out-of-range result is a prompt to look closer, not a diagnosis. Also known as: epa, eicosapentaenoic acid. ## Key facts | Fact | Value | | --- | --- | | Units | mcg/mL / ug/mL | | Sample | Blood draw | | Fasting | Not required | | Results | 7–10 business days | | Price | $69.99 | | Labs | Quest | ## What does EPA measure? An omega-3 fatty acid from fish and algae oils. Has anti-inflammatory and cardiovascular effects. ## What is the normal range for EPA? | Population | Reference range | | --- | --- | | age 18+ | 14.0 – 100 mcg/mL | Reference intervals differ slightly between labs; the range printed on your report is the one to interpret against. Ranges are usually set so 95% of healthy people fall inside them. ## How do you get tested for EPA? | Order | Type | Price | Includes | | --- | --- | --- | --- | | [Omega-3 Index](https://www.test-well.com/tests/omega-3-index) | Single test | $69.99 | This marker | | [Longevity & Anti-Aging Panel](https://www.test-well.com/tests/longevity-panel) | Panel | $239.99 | 13 tests | | [Healthy Aging Panel](https://www.test-well.com/tests/healthy-aging-panel) | Panel | $299.99 | 15 tests | | [Total Body Panel](https://www.test-well.com/tests/total-body-panel) | Panel | $499.99 | 49 tests | ## Quest vs Labcorp vs BioReference | Lab | Available | Price | Notes | | --- | --- | --- | --- | | Quest Diagnostics | Yes | $69.99 | Choose Quest at checkout; walk-in patient service centers in every state TestWell serves outside NY and NJ. | | Labcorp | No | — | Not offered through Labcorp for this test. | | BioReference (NY & NJ) | No | — | Not available in NY/NJ for this test. | - [What a low EPA means (causes, symptoms, next steps)](https://www.test-well.com/biomarkers/epa/low) ## Common questions about EPA ### Do I need a doctor's order to test my epa? No. TestWell's licensed physician network reviews and approves your order — usually within minutes. You can place an order online without an in-person visit or a referral from your own doctor. ### How long does it take to get EPA results? Most EPA results are available in 1–3 business days after your specimen arrives at the lab. You'll get an email the moment your results are ready, with everything viewable in your TestWell portal. ### How much does a EPA test cost? Our Omega-3 Index starts at $69.99. That's the all-in price — no copays, no insurance hoops, no surprise bills. HSA and FSA cards are accepted. ### Do I need to fast before my EPA test? Fasting is not required for the EPA test. You can have your blood drawn any time of day. ### Which lab will process my EPA test? Your test will be processed by Quest Diagnostics, Labcorp, or BioReference depending on which is closest to you and which lab carries the test. All three are CLIA-certified and trusted by hospitals nationwide. You'll choose your lab during checkout from 4,000+ locations. ## Sources - [Quest Diagnostics](https://testdirectory.questdiagnostics.com/test/test-detail/91748/omega-3-and-6-fatty-acids) - [NIH Office of Dietary Supplements — Omega-3 fatty acids fact sheet](https://ods.od.nih.gov/factsheets/Omega3FattyAcids-HealthProfessional/) ## Related biomarkers - [Apolipoprotein B](https://www.test-well.com/biomarkers/apolipoprotein-b) - [Lipoprotein(a)](https://www.test-well.com/biomarkers/lipoprotein-a) - [NT-proBNP](https://www.test-well.com/biomarkers/nt-probnp) - [Homocysteine](https://www.test-well.com/biomarkers/homocysteine) - [LDL Particle Number](https://www.test-well.com/biomarkers/ldl-particle-number) - [Small LDL Particle](https://www.test-well.com/biomarkers/small-ldl-particle) - [Reference range lookup tool](https://www.test-well.com/tools/reference-range-lookup) - [Lab unit converter](https://www.test-well.com/tools/lab-unit-converter) - [All biomarkers](https://www.test-well.com/biomarkers) --- Medically reviewed by Youmna DiStefano, MD (Medical Reviewer, TestWell); last reviewed 2026-09-05. Review policy: https://www.test-well.com/reviewers/youmna-distefano-md Canonical page: https://www.test-well.com/biomarkers/epa Machine-readable catalog: https://www.test-well.com/api/catalog.json · MCP server: https://www.test-well.com/mcp · Overview for agents: https://www.test-well.com/llms.txt Prices are cash-pay, in USD, and include physician authorization; every order adds one flat $6 lab processing fee. Educational content is not a diagnosis — discuss results with a clinician.