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Manganese, Serum
Test Code951
CPT Codes
83785
Preferred Specimen
2 mL serum collected in a no additive (royal blue-top) tube
Minimum Volume
0.7 mL
Other Acceptable Specimens
Plasma collected in: EDTA (royal blue-top) tube or sodium heparin (royal blue-top) tube
Instructions
Avoid hemolysis.
Avoid worksite collection.
For serum samples, blood may be drawn into royal blue-top evacuated tube without additive, allow to clot and centrifuge within 4 hours of collection. Pour off plasma/serum into an acid washed metal free tube for transportation. Use powderless gloves. For plasma samples, follow the above instructions except that the sample does not go with the clotting process. Carefully clean skin prior to venipuncture.
Avoid worksite collection.
For serum samples, blood may be drawn into royal blue-top evacuated tube without additive, allow to clot and centrifuge within 4 hours of collection. Pour off plasma/serum into an acid washed metal free tube for transportation. Use powderless gloves. For plasma samples, follow the above instructions except that the sample does not go with the clotting process. Carefully clean skin prior to venipuncture.
Transport Temperature
Refrigerated (cold packs)
Specimen Stability
Room temperature: 7 days
Refrigerated: 30 days
Frozen: 60 days
Refrigerated: 30 days
Frozen: 60 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Hemolysis • Sodium heparin lead-free (tan-top) tube
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
P.M. Sets up 2 days a week.
Clinical Significance
Manganese deficiency produces growth disorders, alters skeletal and cartilage formation, and impairs reproduction. Industrial workers absorb manganese mainly through the lungs.
