Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Gas Chromatography (GC) (6) (-) Gas Chromatography (GC) and Gas Chromatography/Mass Spectrometry (GC/MS) (2) Sample Type Blood (1) Urine (1) Test Area Therapeutics (2) Test Category Analgesics (5) (-) Antianxiety (2) Antiarrhythmics (6) Anticholinergics (3) Antidepressants (10) Antiemetics (1) Antihistamines (5) Antihypertensives (5) Antithrombotics (4) Antitussives/Cough Suppressants (10) Cholinesterase Inhibitors (3) Diuretics (4) Drugs of Abuse (2) NPS/Designer Drugs (9) Pesticides/Insecticides (2) Potassium Channel Blockers (2) Psychoactives (2) Vasodilators (2) Test Sub-Category Other (2) Test Test Name 8705B Doxepin and Metabolite, Blood 8705U Doxepin and Metabolite, Urine