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Chromium, Blood
Test Code6085
CPT Codes
82495
Preferred Specimen
4 mL whole blood collected in an EDTA (royal blue-top) tube or sodium heparin (royal blue-top) tube
Patient Preparation
Patient should refrain from taking mineral supplements and multi-vitamin three days before specimen collection
Minimum Volume
0.7 mL
Instructions
To avoid contamination, use powderless gloves. Draw one (royal-blue top) tube of blood and discard. Draw second (royal blue-top) tube, label tube with patient name.
Transport Temperature
Refrigerated (cold packs)
Specimen Stability
Room temperature: 48 hours
Refrigerated: 7 days
Frozen: Unacceptable
Refrigerated: 7 days
Frozen: Unacceptable
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Clotted specimen
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 FDA. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.
Setup Schedule
Night
Clinical Significance
This assay is useful to monitor exposure to chromium, progress of medical treatment or determine nutritional status.