Specimen Collection Requirements
Serum or Plasma, one red (non SST), green (sodium or lithium heparin), lavender (EDTA) or gray top tube
Separate serum or plasma from cells within 6 hours of collection. Transfer 2 mL serum to an aliquot tube.
Gel separator tubes or gels of any kind; drug loss is immediate and no testing will be performed
AFTER SEPARATION FROM CELLS: Ambient: 6 weeks; Refrigerated: 6 weeks; Frozen: 6 weeks
Quantitative Liquid Chromatography-Tandem Mass Spectrometry
Thursday, March 14, 2019 12:50:42 PM
Client Services: 503-413-1234