Tellurium

check icon Optimal Result: 0 - 0.42 ug/g.

What this marker shows

This urine marker estimates your recent body burden of tellurium, a rare metalloid used in electronics, metallurgy, thermoelectric devices, and as a by-product of copper refining. Vibrant measures heavy metals in urine by mass spectrometry and normalizes results to urine creatinine for fair, dilution-corrected comparisons. 
Most commercial tellurium comes from anode slimes during electrolytic copper refining, so exposures are typically occupational or environmental near industrial sources.

Why clinicians care

At higher exposures, tellurium compounds can cause nonspecific symptoms (metallic taste, nausea, fatigue), skin irritation, and the classic “garlic” odor to breath, sweat, and urine as the body converts tellurium to dimethyl telluride for excretion. Tellurium is methylated and eliminated with biphasic kinetics (a faster and a slower phase), which helps explain why low-level excretion and odor can persist for weeks to months after exposure in some cases. 

How to read your result

  • Within range (≤ 0.89 µg/g): Consistent with typical background exposure in the reference population used by Vibrant.

  • Above range (> 0.89 µg/g): Indicates exposure higher than expected for the reference group. The higher the value (especially several-fold above the cutoff), the more likely a meaningful recent exposure occurred. Because urine reflects what you’re eliminating, a single value does not pinpoint timing or duration of exposure. help.vibrant-wellness.com

Important context: Vibrant’s reference ranges for heavy metals are based on NHANES data where available and otherwise on the lab’s internal healthy cohort; results are creatinine-corrected. Avoid comparing non-provoked results to any provoked (chelator-assisted) test you may find online, as reference ranges differ. 

Common exposure sources

  • Workplaces handling copper/lead refining by-products, bismuth/telluride alloys, thermoelectrics, or CdTe solar materials

  • Electronics and metallurgy manufacturing, soldering/brazing with telluride-containing alloys, or handling tellurium compounds without adequate controls. (Typical exposure routes: inhalation, ingestion, skin/eye contact.)

Symptoms to watch for (higher exposures)

Metallic taste, dry mouth, nausea, fatigue/drowsiness, reduced appetite, garlic-like breath/sweat/urine; dermatitis may occur with skin contact. Seek care if you notice neurologic changes, persistent GI upset, or strong odor after a known exposure. 

What can raise or skew this result?

  • Recent occupational tasks (refining, smelting, machining, thermoelectric/semiconductor work) without adequate respiratory or dermal protection. 

  • Urine dilution: very low creatinine (over-hydration) or very high creatinine (dehydration) can complicate interpretation, which is why values are creatinine-normalized.

  • Provoked testing (chelators): do not compare to non-provoked reference cutoffs. 

Practical next steps (if elevated)

  1. Identify and reduce exposure

    • Review recent work tasks, hobbies, or home renovations where you could inhale dust/fumes or ingest residues. Use engineering controls and PPE (respirator appropriate for metal fumes, gloves, eye protection). 

  2. Hygiene and housekeeping

    • Wet-wipe/vacuum work areas, change/wash work clothes separately, and wash hands before eating to limit secondary ingestion. (General occupational hygiene guidance aligns with NIOSH/OSHA practices for metal exposures.)

  3. Support normal elimination

    • Maintain good hydration and a balanced diet. Avoid self-treating with chelators or supplements aimed at “detoxing” metals; management of metal exposures should be clinician-directed. (Some chelators can worsen tellurium toxicity or are inappropriate.)

  4. Retesting

    • After meaningful exposure reduction or a clinician-directed intervention, many providers use a pre/post approach and retest ~7–14 days after stopping an intervention to gauge change, keeping exposure conditions as consistent as possible.

When to contact a clinician

  • Your value is well above the reference and/or you have compatible symptoms.

  • You have ongoing occupational exposure or a known accidental ingestion/inhalation. A clinician (often in occupational/environmental medicine or a toxicologist) can assess the need for further testing or treatment and advise on workplace controls.

Science corner (for the curious)

  • The body methylates tellurium to volatile dimethyl telluride, causing the distinctive odor during excretion.

  • Elimination is biphasic, with a slower phase that explains why low-level excretion and odor can linger after exposure ends. Case reports document odor persisting for weeks to months

  • Different oxidation states behave differently; for example, some Te(IV) compounds show higher toxicity and different renal handling than Te(VI) in experimental models. Clinical decisions still hinge on exposure history and symptoms, not oxidation state alone. 


Summary

  • At or below 0.89 µg/g: typical background range on this test.

  • Above 0.89 µg/g: suggests higher-than-expected exposure; address potential sources, ensure good hygiene/PPE, and consider guided retesting after changes. Timing/duration of exposure cannot be inferred from a single urine value. 

What does it mean if your Tellurium result is too high?

A result above 0.89 µg/g creatinine suggests recent tellurium exposure higher than expected for the reference population on Vibrant’s Total Tox-Burden panel. Because urine reflects what your body is eliminating, a high value points to exposure but doesn’t precisely date it or quantify total body burden. Common sources include work with copper/lead refining by-products, thermoelectric or electronics materials (e.g., CdTe), and telluride-containing alloys; certain soldering, metalsmithing, or machining tasks can also contribute. Higher exposures may cause a metallic taste, nausea, fatigue, skin/eye irritation, and a garlic-like odor to breath or sweat.

What to do: (1) Identify and reduce exposure—improve ventilation, use appropriate PPE, avoid eating/drinking in work areas. (2) Tighten hygiene—wash hands, wet-wipe surfaces, and launder work clothes separately. (3) Stay well hydrated and avoid self-directed chelation or “detox” supplements; discuss any treatment with a clinician (occupational/environmental medicine or toxicology). (4) Seek medical care if symptoms are significant, if you’re pregnant, or if a child has an elevated result. (5) Retest after exposure reduction—ideally in 2–3 weeks under similar collection conditions—to confirm improvement.

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