Specimen Requirements

Container Type: Lithium Heparin (Green Top) or Serum Separator (Gold Top)
Specimen Type: Plasma or Serum
Preferred Volume: 1 mL
Emergency Minimum Volume: 0.3 mL
Collection Procedure: Draw peak specimen 1 hour post IM dose or 1/2 hour post IV infusion.
Specimen Processing: Separate serum or plasma from cells as soon as possible by centrifugation. Store and transport refrigerated. One freeze/thaw acceptable.
Required Patient Info: Peak or trough specimen, time of dose.
Unacceptable Conditions: Hemolyzed specimens.
Alternate Specimens: Plain Serum Tube (Red Top), EDTA Plasma (Lavender Top)

Stability: