Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Enzyme-Linked Immunosorbent Assay (ELISA) (1) Enzyme Immunoassay (EIA) (10) Gas Chromatography (GC) (7) (-) Gas Chromatography (GC) and Gas Chromatography/Mass Spectrometry (GC/MS) (1) Gas Chromatography/Mass Spectrometry (GC/MS) (2) Headspace Gas Chromatography (GC) (4) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (8) (-) High Performance Liquid Chromatography/Time of Flight-Mass Spectrometry (LC/TOF-MS) (1) Sample Type Blood (4) Fluid (1) Serum or Plasma (1) (-) Urine (2) Test Area Drugs of Abuse (1) Therapeutics (1) Test Category Antianxiety (1) Drugs of Abuse (1) Test Sub-Category Drug Facilitated Sexual Assault (1) (-) Other (2) Tricyclic (1) Test Test Name 1876U Drug Screen - Expanded, Urine 8705U Doxepin and Metabolite, Urine