Tricyclics, Amitriptyline and Nortriptyline
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Liquid Chromatography - Tandem Mass Spectrometry (LC-MS/MS)
Monitor therapeutic drug levels; monitor patient compliance; evaluate amitriptyline toxicity.
Therapeutic: 120-250 ng/mL; Toxic: > 500 ng/mL (sum of Amitriptyline and Nortriptyline).
* Reference ranges may change over time. Please refer to the original patient report when evaluating results.