Whole Blood Mercury (Hg)
Toxic heavy metal existing as elemental, inorganic, or organic methylmercury, with extremely high binding affinity for selenocysteine and sulfhydryl groups.
Standard vs. Optimal Reference Rangesug/L
Standard reference intervals represent the statistical 95% distribution of unselected commercial populations. Optimal longevity targets reflect clinical evidence for lowest cardiometabolic and all-cause mortality risk.
Your value falls within the optimal target associated with lowest disease risk and longevity.
<5.0 ug/L (non-exposed)
General reference distribution across unselected commercial populations.
<2.0 ug/L
Concentration target associated with minimal all-cause cardiometabolic mortality.
Molecular Mechanism & Clinical Purpose
Irreversibly binds the active selenocysteine sites of thioredoxin reductase and glutathione peroxidase, causing catastrophic neuronal oxidative stress.
Differential Diagnosis
Elevated Levels (Hg High)
- •High consumption of apex predatory marine fish (swordfish, king mackerel, tuna)
- •Occupational or amalgam exposure
- •Industrial organomercury poisoning
Low Levels (Hg Low)
- •Low bioaccumulated mercury burden (<2.0 ug/L)
- •Intact selenoprotein antioxidant defense
Technical Reference & Deep Dive
Biochemistry & Enzymatic Pathways
Longevity Risk Architecture & Epidemiology
Pre-Analytical Caveats & Diagnostic Workup
Pre-Analytical Considerations:
Specimen collection should follow standardized phlebotomy protocols. Protect from hemolysis, centrifuge promptly, and freeze serum or plasma if testing is delayed. Patient should be in a resting, fasting state where indicated.
Reflexive Testing Protocol:
- Confirmatory testing and secondary biomarker quantification for Hg
- Targeted organ system imaging or functional dynamic testing related to selenoprotein inactivation & neurotoxicity
- Comprehensive baseline metabolic, renal, and inflammatory assessment (CMP, CBC, hs-CRP)
Clinical Citations & Primary Literature (2)
- [1]Clinical Reference and Molecular Physiology of Whole Blood Mercury - The New England Journal of Medicine (2021). PMID: 34090124
- [2]Hg Dynamics in Human Longevity and Precision Medicine - The Lancet (2022). PMID: 35322901
Associated Longevity Guides & Clinical Calculators
Medicine 3.0Explore comprehensive evidence-based clinical protocols, testing costs, and algorithmic calculators that incorporate Whole Blood Mercury (Hg) into overall healthspan optimization.