Laboratory Test DirectoryShare
|Methodology:||Quantitative Liquid Chromatography-Tandem Mass Spectrometry|
|Performed:||Tue, Thu, Sat|
Patient Preparation: Timing of specimen collection: Pre-dose (trough) draw - At steady state concentration.
Collect: Plain Red OR Lavender (EDTA) OR Green (sodium or lithium heparin) OR Gray (sodium fluoride/potassium oxalate) - 2 ml serum or plasma.
Specimen Preparation: Allow specimen to clot completely at room temperature . Separate serum or plasma from cells within 6 hours of collection. Transfer serum or plasma to a Standard Transport Tube.
Storage/Transport Temperature: Refrigerated.
Unacceptable Conditions: Gel separator tubes or gels of any kind; drug loss is immediate and no testing will be performed.
Stability: After separation from cells: Refrigerated: 1 week; Frozen: 1 month