Includes these antidepressants: Amitriptyline / Nortriptyline, Doxepin / Nordoxepin, Imipramine / Desipramine, Clomipramine, Trimipramine, and Protriptyline.
Cyclobenzaprine is also included. Cyclobenzaprine, a muscle relaxant, is chemically a tricyclic. However, it is not an antidepressant and it does not have the same cardiac toxicity as the Tricyclic Antidepressants. Patients with Cyclobenzaprine exposure will test Presumptive Detected for Tricyclics.