Therapeutic Drug Monitoring, Antiarrhythmic
2.0 mL Serum from a Red Top Tube in a Plastic Vial
14 days Ambient
14 days Refrigerated
5 months Frozen
Do not collect in a Serum Separator Tube (SST or PST)
Specimen should be drawn prior to next dose
0.7 mL
Usual antiarrhythmic range: 0.7 - 2.5 mcg/mL
Therapeutic Drug Monitoring, Antiarrhythmic
5 to 6 days
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