Therapeutic drug monitoring (TDM)
Immediately following collection, mix sample thoroughly by gentle inverting 8 - 10 times, to prevent clotting
Refrigerated (preferred) - 30 days
Ambient - 30 days
Frozen - 120 days
High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS)
Reporting limit determined each analysis
Units: mcg/mL