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) (16) (-) Gas Chromatography (GC) and Gas Chromatography/Mass Spectrometry (GC/MS) (2) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (28) High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS) (2) Spectrofluorometry (SF) (1) Sample Type Blood (1) Urine (1) Test Area Drugs of Abuse (32) Impairment (6) Newborn Tox (2) (-) Therapeutics (2) Test Category Antianxiety (2) Test Sub-Category (-) Other (2) Tricyclic (2) Test Test Name 8705B Doxepin and Metabolite, Blood 8705U Doxepin and Metabolite, Urine