Zinc, RBC
Test Code
Clinical Significance
Zinc, RBC - Zinc is an essential element involved in a myriad of enzyme systems including wound healing, immune function, and fetal development. Zinc measurements are used to detect and monitor industrial, dietary, and accidental exposure to zinc. Also, Zinc measurements may be used to evaluate health and monitor response to treatment.
Test Resources
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Test Details
Methodology
This test is not available for New York patient testing.
Reference Range(s)
Alternative Name(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 (green-top) tube
Minimum Volume
0.3 mL
Collection Instructions
Red blood cells trace metal: Use the royal blue-top trace metal evacuated tube with EDTA or sodium heparin, for RBC trace metal testing.
Packed Cells: Centrifuge to separate plasma from RBC's and discard plasma. Transfer RBC's to a plastic transfer vial from a Quest Diagnostics (trace element and metal-free) collection kit or transfer to a plastic screw-cap vial.
Transport Container
See Collection Instructions
Transport Temperature
Room temperature
Specimen Stability
- Room temperature: 7 days
Refrigerated: 10 days
Frozen: Unacceptable
Reject Criteria
Moderate hemolysis • Clotted
Setup Schedule
Packed Cells: Centrifuge to separate plasma from RBC's and discard plasma. Transfer RBC's to a plastic transfer vial from a Quest Diagnostics (trace element and metal-free) collection kit or transfer to a plastic screw-cap vial.
Refrigerated: 10 days
Frozen: Unacceptable