Copper, RBC
Test Code
Clinical Significance
Copper, RBC - Copper is an essential element that is a cofactor of many enzymes. Copper metabolism is distributed in Wilson's disease, Menkes disease, primary biliary cirrhosis, and Indian childhood cirrhosis. Copper concentrations increase in acute phase reactions. Copper concentrations are decreased with nephrosis, malabsorption, and malnutrition. Copper concentrations are also useful to monitor patients, especially preterm newborns, on nutritional supplementation. Results of copper are often interpreted together with ceruloplasmin.
Test Resources
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Test Details
Methodology
This test is not available for New York patient testing.
Reference Range(s)
Preferred Specimen(s)
0.5 mL red blood cells collected in an EDTA trace metal-free (royal blue-top) tube
Alternative Specimen(s)
Red blood cells collected in: EDTA (lavender-top), sodium heparin trace metal-free (royal blue-top), sodium heparin (green-top), sodium heparin lead-free (tan-top), or lithium heparin (green-top) tube
Minimum Volume
0.3 mL
Transport Container
EDTA trace metal-free (royal blue-top) tube
Transport Temperature
Room temperature
Specimen Stability
- Room temperature: 10 days
- Refrigerated: 10 days
- Frozen: Unacceptable
Reject Criteria
Gross hemolysis • Clotted
Setup Schedule, Collection Instructions
Refrigerated: 10 days
Frozen: Unacceptable