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Zinc, RBC [6354]
MessageFor Specimen Integrity during Extreme Weather see the “Lockbox Usage in Extreme Weather” document at the top of this page.
Test Code
ZINCR
Alias/See Also
6354
CPT Codes
84630<br>This test is not available for New York patient testing
Preferred Specimen
0.5 mL red blood cells collected in an EDTA trace metal-free (royal blue-top) tube
Patient Preparation
Carefully clean skin prior to venipuncture. Avoid hemolysis. Avoid worksite collection.
Minimum Volume
0.3 mL
Other Acceptable Specimens
Red blood cells collected in an 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
Instructions
Carefully clean skin prior to venipuncture.
Avoid hemolysis.
Avoid worksite collection.
Red blood cells Trace Metal. Centrifuge and separate RBC's into an acid washed plastic screw cap vial within two hours of collection.
Avoid hemolysis.
Avoid worksite collection.
Red blood cells Trace Metal. Centrifuge and separate RBC's into an acid washed plastic screw cap vial within two hours of collection.
Transport Temperature
Room temperature
Specimen Stability
Room temperature: 7 days
Refrigerated: 10 days
Frozen: Unacceptable
Refrigerated: 10 days
Frozen: Unacceptable
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Clotted • Moderate hemolysis
Methodology
Inductively Coupled Plasma/Mass Spectrometry (ICP/MS)
FDA Status
This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by the U.S. Food and Drug Administration. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.
Setup Schedule
Tues - Sat
Report Available
2 - 4 days
Reference Range
9.0-14.7 mg/L
Clinical Significance
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.
Performing Laboratory
Quest Diagnostics Lewisville |
2501 South State Hwy 121, Suite 1100 |
Lewisville, TX 75067-8188 |
Last Updated: December 7, 2021