Monitoring therapy to ensure drug absorption, clearance, or compliance.
Serum for a peak level should be drawn 60 minutes after dose
Spin down and transfer the serum to a Screw cap transfer vial/tube (Mayo T465) within 2 hours of draw.
Refrigerated (preferred) - 28 days
Ambient - 28 days
Frozen - 28 days
Liquid-Chromatography Tandem Mass Spectrometry (LC-MS/MS)