- ZRBC
Zinc, RBC
Specimen:
Test Code
ZRBC
Specimen Name
Zinc, RBC
Collect
1-Royal blue (EDTA or Na-Heparin)
Submit
2 mLs (Min: 0.6 mL)
Special Handling
Centrifuge whole blood and separate RBCs from plasma within 2 hours of collection. Remove plasma from packed RBCs after centrifugation. Submit packed RBCs in original collection tube OR transfer 2 mL RBCs to a Metal Free Transport Tube.
Rejection Criteria
Specimens collected in tubes other than royal blue EDTA or Na-Heparin. Specimens transported in containers other than royal blue EDTA or Na-Heparin tube or metal free transport tube. Clotted or grossly hemolyzed specimens.
Stability
Preferred Ambient: 2 weeks; Refrigerated: 2 weeks; Frozen: Unacceptable
Methodology
Quantitative Inductively Coupled Plasma-Mass Spectrometry
Performed
Sunday - Saturday
Reported
2-5 days
CPT Codes
- 84630
Components
—
Additional Information
Zinc concentrations in red blood cells (RBCs) reflect the intracellular stores and general homeostasis of zinc. For assessment of deficiency over short periods of time, refer to Zinc, Serum or Plasma. For acute toxicity, Zinc, Urine may be a more reliable indicator of exposure.
Disclaimer:
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Test Information
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Common Test Phrases
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Common Lab Definitions
- Serum
- Plasma
- STT