Doxepine; Nordoxepin (Desmethyldoxepin)
Doxepin is a tricyclic antidepressant. Therapeutic drug levels are monitored to assist the physician assessing therapeutic response and to avoid toxicity.
3.0 mL Serum from a Red Top Tube in a Plastic Vial
3.0 mL Plasma from 2 Lavender Top Tubes - EDTA in a Plastic Vial
or
3.0 mL Plasma from a Green Top Tube - Li Heparin in a Plastic Vial
or
3.0 mL Plasma from a Green Top Tube - Na Heparin in a Plastic Vial
5 days Ambient (Transport)
7 days Refrigerated
30 days Frozen
Collect at steady-state trough concentration Specimen should be collected > 12 hours after dose
Centrifuge and separate from cells immediately
1.5 mL Serum
Total 110-250 mcg/L
Doxepin is a tricyclic antidepressant. Therapeutic drug levels are monitored to assist the physician assessing therapeutic response and to avoid toxicity.
1 to 2 days
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80335