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) and Gas Chromatography/Mass Spectrometry (GC/MS) (2) Sample Type Blood (1) Urine (1) Test Area (-) Therapeutics (2) Test Category Analgesics (5) (-) Antianxiety (2) Antidepressants (3) Appetite Suppressants (2) Drugs of Abuse (5) Drugs of Abuse, Therapeutics (5) Exposure (1) NPS/Designer Drugs (1) Stimulants (6) Therapeutics (14) Test Sub-Category Benzodiazepines (4) (-) Other (2) Test Test Name 8705B Doxepin and Metabolite, Blood 8705U Doxepin and Metabolite, Urine