Silver, Serum or Plasma
Evaluate exposure to silver
Serum or plasma
Royal blue-top (EDTA) metal-free tube
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.
Use of non−metal-free collection tubes