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Evaluate exposure to barium
Inductively coupled plasma/mass spectrometry (ICP/MS)
Serum or plasma
Serum or plasma should be separated from cells within two hours of venipuncture. Transfer separated serum or plasma to a metal-free transport tube.
Submission/transport (<3 days): Room temperature. For storage beyond three days, specimen should be refrigerated or frozen.
Causes for Rejection
Use of non−metal-free collection tubes