--- title: Mercury (Blood) Test type: test id: mercury url: "https://www.test-well.com/tests/mercury-blood-test" price_usd: 37.99 lab_fee_usd: 6 all_in_usd: 43.99 cpt: 83825 category: Environmental & Toxins sample: Blood draw fasting_required: false results_in: "5–7 business days" labs: - Quest - Labcorp orderable: true reviewed_at: 2026-09-14 order_url: "https://www.test-well.com/cart?add=mercury-blood-test&utm_source=ai_agent&utm_medium=markdown" --- # Mercury (Blood) Test > Measures mercury levels in the blood to assess exposure from seafood, dental amalgams, or occupational sources, measured from a standard blood draw. At TestWell it costs $37.99 plus a $6 lab fee, needs no fasting, and results post in 5–7 business days. Physician-authorized with no doctor's visit or insurance needed; draw at Quest or Labcorp. ## Key facts | Fact | Value | | --- | --- | | Price | $37.99 + $6 lab processing fee per order ($43.99 all-in for this test alone) | | CPT code | 83825 | | Sample | Blood draw | | Fasting | Not required | | Results | 5–7 business days | | Labs | Quest Diagnostics, Labcorp | | Biomarkers measured | 1 | | Physician authorization | Included — no doctor's visit, referral or insurance needed | | Payment | Card, HSA or FSA; cash-pay only (no insurance billing) | ## What does the Mercury (Blood) test tell you? Measures mercury levels in the blood to assess exposure from seafood, dental amalgams, or occupational sources. This test measures total mercury in your blood to evaluate recent or ongoing exposure. Elevated mercury can cause neurological symptoms, kidney damage, and immune dysfunction. Common sources include high-mercury fish (tuna, swordfish), dental amalgam fillings, and industrial exposure. Blood mercury reflects recent exposure (weeks), while hair or urine tests reflect chronic exposure. **Clinical use:** Environmental and toxin testing measures exposure to heavy metals, industrial chemicals, and other environmental hazards that can drive chronic symptoms and long-term health risk. ## Who should order it? Individuals with known or suspected occupational exposure, residents of older homes (lead, mold), people eating large quantities of certain fish (mercury), and anyone with unexplained chronic symptoms. ## Biomarkers measured - [Mercury, Blood](https://www.test-well.com/biomarkers/mercury-blood) ## Price by lab | Lab | Test price | All-in (with $6 fee) | Notes | | --- | --- | --- | --- | | Quest Diagnostics | $37.99 | $43.99 | Choose at checkout; walk-in patient service centers nationwide (not NY/NJ) | | Labcorp | $37.99 | $43.99 | Choose at checkout; walk-in patient service centers nationwide (not NY/NJ) | Rhode Island is not served. Prices are identical online and in the lab; no draw fee or physician fee is added. ## How much does a Mercury (Blood) test cost? A Mercury (Blood) test costs $37.99 at TestWell — $43.99 all-in when ordered alone, because the $6 lab processing fee is charged once per order, with no draw fee or physician fee added. Hospital outpatient labs typically bill around $175.00 self-pay for the same test, and often more. With insurance, what you pay depends on your deductible and your plan's negotiated rate; TestWell's price is fixed before the draw and is HSA/FSA-eligible. | Where you order | Price | One test, all-in | Notes | | --- | --- | --- | --- | | TestWell (drawn at Quest or Labcorp) | $37.99 | $43.99 | Includes the one $6 lab processing fee, charged once per order | | Hospital outpatient lab, self-pay (typical) | $175.00 | $175.00 | Reference figure; hospital charges vary widely by facility and are often higher | Lab test codes: Quest test code 636 · Labcorp test no. 085324. ## How do you prepare? No fasting required. Avoid seafood for 48 hours before testing for a baseline reading. ## Related conditions - Environmental exposure (Z77.9) ## Common questions about the Mercury (Blood) test ### How long do Mercury (Blood) results take? Most Mercury (Blood) results are available in 5–7 business days after your specimen arrives at the lab. You'll get an email the moment results are ready, with everything viewable in your TestWell portal. ### What sample is collected for the Mercury (Blood)? Blood draw. Sample is collected at a Quest, Labcorp, or BioReference patient service center near you, or via at-home phlebotomy where available. ### How much does the Mercury (Blood) cost without insurance? On TestWell, the Mercury (Blood) is $37.99. Quest Direct lists comparable tests at $50. Walk-in hospital labs typically bill $175 or more without insurance. Insurance is not required — pay one all-in price. ### Do I need to fast before the Mercury (Blood)? No fasting required for the Mercury (Blood). No fasting required. Avoid seafood for 48 hours before testing for a baseline reading. ### Where can I get the Mercury (Blood) done? The Mercury (Blood) is available at Quest and Labcorp patient service centers nationwide. Order online at TestWell, pick your preferred lab, and we'll generate a digital requisition for the location closest to you. ## How to order 1. Add to cart: https://www.test-well.com/cart?add=mercury-blood-test&utm_source=ai_agent&utm_medium=markdown 2. Create an account or sign in, confirm your state and preferred lab, pay by card, HSA or FSA. 3. A licensed physician authorizes the order (usually within minutes); the requisition arrives by email. 4. Walk into any Quest Diagnostics, Labcorp patient service center — no appointment needed at most sites. 5. Results post to your TestWell portal in 5–7 business days with reference ranges and flags. ## Related - [Environmental Toxins Panel](https://www.test-well.com/tests/environmental-toxins-panel) — 4 tests · $1049.99 - [Total Body Panel](https://www.test-well.com/tests/total-body-panel) — 49 tests · $499.99 - [Lead, Blood](https://www.test-well.com/tests/lead-blood) — $29.99 - [Lead, Blood (Adult)](https://www.test-well.com/tests/lead-blood-adult) — $28.99 - [All Environmental & Toxins tests](https://www.test-well.com/tests/category/environmental-toxins) - [Full test directory](https://www.test-well.com/tests/directory) --- Medically reviewed by Youmna DiStefano, MD (Medical Reviewer, TestWell); last reviewed 2026-09-14. Review policy: https://www.test-well.com/reviewers/youmna-distefano-md Canonical page: https://www.test-well.com/tests/mercury-blood-test 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.