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) (2) (-) Gas Chromatography (GC) and Gas Chromatography/Mass Spectrometry (GC/MS) (1) Sample Type (-) Blood (1) Urine (1) Test Area Therapeutics (1) Test Category Analgesics (2) (-) Antianxiety (1) Antiarrhythmics (3) Anticholinergics (1) Antidepressants (4) Antihistamines (2) Antihypertensives (2) Antitussives/Cough Suppressants (3) Cholinesterase Inhibitors (1) Diuretics (1) NPS/Designer Drugs (3) Pesticides/Insecticides (1) Vasodilators (1) Test Sub-Category Other (1) Test Test Name 8705B Doxepin and Metabolite, Blood