What this test measures
Quantifies 22 elements simultaneously, typically by ICP-MS — toxic metals (lead, mercury, arsenic, cadmium, thallium, antimony, beryllium, uranium) and essential / nutrient trace elements (iron, zinc, copper, selenium, manganese, molybdenum, chromium, cobalt, magnesium, iodine, nickel, vanadium, strontium, and lithium). Panel composition varies by lab; verify the exact list before ordering.
Why it matters
Indian indications are mostly occupational (welders, smelters, jewellery / battery workers, ayurveda manufacturing), environmental (suspected groundwater contamination), and clinical (TPN monitoring, post-bariatric surveillance, suspected ayurvedic-medicine heavy metal exposure). Broad "wellness" panels on asymptomatic individuals frequently turn up borderline values that lead to unnecessary chelation — which itself has real risks (mineral depletion, renal injury). Order with a specific clinical question in mind.
How to prepare
Fasting morning sample, trace-metal-free royal-blue-top tube. Stop multivitamin supplements 72 hours before. Avoid seafood (raises arsenic, mercury) and high-Mn / high-Se foods (Brazil nuts, kelp) for 3–4 days. Disclose occupational exposure, traditional medicines, water source, joint prostheses.
Markers & reference ranges
Reference ranges below are typical adult values. Your lab's reported range may differ slightly based on the assay platform and patient demographics — always read your report against the range printed on it.
| Marker | Normal range | If low | If high |
|---|---|---|---|
| Blood / Serum Element Panel (composite) (µg/L per element)[1][2] | Each element has its own reference range — see component pages (Lead, Mercury, Zinc, Copper, Selenium, etc.) | Below-range essential elements (Fe, Zn, Cu, Se, Mn, Mg, I) suggest nutritional deficiency, malabsorption, increased need, or TPN problems. Each warrants targeted follow-up. | Above-range toxic elements (Pb, Hg, As, Cd, Tl, Sb, Be, U) trigger source investigation and clinical evaluation. Above-range essentials (excess Cu, Zn, Se) usually reflect over-supplementation. |
When a 22-element panel is appropriate
| Indication | Better than single tests? | Notes |
|---|---|---|
| Occupational exposure (multi-metal) | Yes | Welders, smelters, jewellery workers |
| Suspected ayurvedic-medicine heavy metal contamination | Yes | Lead, mercury, arsenic often co-occur |
| Long-term TPN surveillance | Yes | Essential and toxic trace elements together |
| Single-symptom investigation | No | Order the specific element (e.g., lead, mercury) |
| Worried-well / wellness screening | No | High false-positive rate; risk of unnecessary chelation |
Frequently asked questions
Should I get this as a wellness screen?
Generally not. Broad heavy-metal panels on asymptomatic adults frequently flag borderline values that lead to anxiety and unnecessary chelation. Order targeted tests when there is a specific exposure or symptom.
Can I do hair instead of blood?
Hair analysis is unreliable for most metals — external contamination, hair colouring, washing all affect results. Blood is preferred for clinical decisions.
How long does the test take?
Typically 5–7 working days for the full panel.
Do I need to avoid foods?
Yes — avoid seafood, Brazil nuts, and kelp for 3–4 days; these can raise arsenic, mercury, selenium and other elements temporarily.
My result shows one borderline value — should I worry?
No, not on its own. Discuss with a doctor who can put the result in the context of your history. Borderline results without symptoms or exposure usually don't warrant action.
Will the panel detect arsenic from ayurvedic medicines?
Yes — many ayurvedic / rasashastra preparations contain intentional mercury, lead, or arsenic. A comprehensive panel will reveal multiple-metal patterns suggestive of this source.
Related Toxicology / Trace Elements tests
Tests commonly ordered alongside ELEMENTS 22 (TOXIC AND NUTRIENTS), or that help interpret an unexpected result.
Sources & references
- Mayo Clinic Labs — Heavy Metals Panel · accessed 2026-05-30T00:00:00.000Z
- CDC — Biomonitoring of Trace Elements · accessed 2026-05-30T00:00:00.000Z
- ATSDR — Toxicological Profiles · accessed 2026-05-30T00:00:00.000Z
- NIH ODS — Trace Element Fact Sheets · accessed 2026-05-30T00:00:00.000Z
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