Therapeutic drug management
Dk green heparin (Li or Na), no gel
Immediately after collection, mix tube thoroughly by gentle inversion, 8 - 10 times, to prevent clotting
Transfer vial/tube with cap - 12mL (LabCorp)
Ambient (preferred) - 3 days
Refrigerated (OK)
Frozen (OK)
Liquid chromatography/tandem mass spectrometry (LC/MS-MS)
0.1 - 4.0 µg/mL