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Cobalt, Serum/Plasma
Test Code345
CPT Codes
83018
Preferred Specimen
0.5 mL serum in trace-metal free acid-washed plastic screw-capped vial
Minimum Volume
0.2 mL
Other Acceptable Specimens
Plasma collected in an EDTA trace metal (royal blue-top) tube
Instructions
All venipunctures should be performed using trace metal-free, (royal blue-top) tubes. Promptly centrifuge and separate serum or plasma specimens into acid-washed, plastic, screw-capped vial(s), using approved guidelines.
Transport Temperature
Refrigerated (cold packs)
Specimen Stability
Room temperature: 10 days
Refrigerated: 10 days
Frozen: 10 days
Refrigerated: 10 days
Frozen: 10 days
Methodology
Inductively Coupled Plasma/Mass Spectrometry (ICP/MS)
Setup Schedule
Set up: Tues-Sat; Report available: 1-3 days
Clinical Significance
Purpose: Occupational exposure monitoring, evaluation of orthopedic implants.
