DOXEPIN AND DEMETHYLDOXEPIN
Doxepin and Nordoxepin
DOXEPIN & DEMETHYLDOXEPIN LEV
DOXEPIN + DEMETHYLDOXEPIN LEV
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Liquid Chromatography - Tandem Mass Spectrometry (LC-MS/MS)
Monitor therapeutic drug levels; monitor patient compliance; evaluate doxepin toxicity
Therapeutic: 75-200 ng/mL; Toxic: > 500 ng/mL; Lethal: 1000 ng/mL (sum of Doxepin and Desmethyldoxepin).
* Reference ranges may change over time. Please refer to the original patient report when evaluating results.
Collect blood in a red or green top tube; do not use SST tube.
Collect blood in a red top or green top tube; do not use SST tube. Centrifuge, aliquot serum or plasma into plastic vial as soon as possible and refrigerate.