Therapeutic drug monitoring
Red serum vial/tube, 5 mL
Transfer vial/tube with cap - 12mL (LabCorp)
Lavender (EDTA), 4mL
Refrigerated (preferred) – 30 days
Ambient – 30 days
Frozen – 4 months
Gel barrier tubes
High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS)
0.1 mcg/mL
Medical necessity