Biomarker Reference · Cu:Zn
Copper:Zinc Ratio (Cu:Zn) is a clinical biomarker used in neurological-mental-health assessment. The copper:zinc ratio is a calculated index reflecting the balance between these two trace elements, which interact in enzymatic pathways, immune function, and oxidative stress regulation. It is measured in 3 laboratory tests on BiomarkersLabs.com.
The copper:zinc ratio is a calculated index reflecting the balance between these two trace elements, which interact in enzymatic pathways, immune function, and oxidative stress regulation. Interpretation is complicated by the fact that both are influenced by inflammation, dietary intake, and binding proteins.
An elevated Cu:Zn ratio has been associated with inflammation, cardiovascular risk, and mood disorders in observational studies, but its independent predictive value is contested. The ratio is influenced by acute-phase responses, supplements, and analytical variability, limiting its specificity. It is used in functional practice to guide zinc or anti-inflammatory interventions, but mainstream guidelines do not endorse it as a standalone diagnostic tool.
Reference ranges vary by laboratory and assay platform. Interpret in context of the issuing laboratory's stated range.
3 tests on BiomarkersLabs.com include this biomarker.
Copper:Zinc Ratio reference range in this test: Approximately 0.7–1.2 (molar); derived and context-dependent.
Copper:Zinc Ratio reference range in this test: Approximately 0.7–1.0; varies by laboratory and population.
Copper:Zinc Ratio reference range in this test: Approximately 0.7–1.0; highly method- and population-dependent.
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