Serum Separator Tube, Transfer Tube- Serum, Plain Red Top Tube
Turn Around Time
A specimen should be collected at least 6 to 8 hours after drug administration. By the time, serum digoxin levels are expected to be in equilibrium with tissue levels and should correlate with pharmacologic effects.
Specimen should be tested within 72 hours.
24 hours capped at 2-8 °C
1-2 weeks capped at -20 °C
Specimens should not be repeatedly frozen and thawed. Invert specimens several times prior to testing.