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 trough specimen 30 minutes prior to next dose. Draw peak specimen 1 hour after IM dose or 60 minutes after IV infusion completed. Clearly label specimen with Peak or Trough. Collection timing is critical.
Specimen Processing: Separate serum or plasma from cells as soon as possible by centrifugation. Store and transport refrigerated.
Required Patient Info: Trough or peak specimen, date and time of dose and draw is critical.
Alternate Specimens: Plain Serum Tube (Red Top), EDTA Plasma (Lavender Top)

Stability: