Therapeutic drug management
Dk green heparin, no gel
Mix sample by gently inverting, 5 - 10 times
Refrigerated (preferred)
Ambient - 3 days
Frozen (OK)
Liquid Chromatography/Tandem Mass Spectrometry (LC/MS/MS)
Expected steady state plasma levels in patients receiving recommended daily dosages is 109.0 - 585.0 ng/mL
Trough levels are most reproducible