Serum: Collect sample in a serum separator tube. Plasma: Collect sample in Gray top tube (Sodium Fluoride / Potassium Oxalate).
Collect sample at least 6 hours after the last dose to avoid erroneously elevated values.
Promptly centrifuge and separate Serum or Plasma into a plastic screw capped vial using approved guidelines.
Plastic container (preservative-free)
Rejection criteria pertain to clinical sample submissions only.
Room Temperature: 28 day(s)
Refrigerated: 28 day(s)
Frozen (-20 °C): 12 month(s)