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) (1) Sample Type Blood (7) (-) Fluid (1) Serum or Plasma (3) Urine (4) Test Area Therapeutics (1) Test Category (-) Antianxiety (1) Antihistamines (1) Test Sub-Category Other (1) Test Test Name 1810FL Doxepin and Metabolite, Fluid