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 (2) (-) Fluid (1) Serum or Plasma (2) Urine (2) Test Area Therapeutics (1) Test Category (-) Antianxiety (1) Antihistamines (2) Antipsychotics (1) Cholinesterase Inhibitors (1) Diagnostic Aids (1) Drugs of Abuse (3) Muscle Relaxants (2) Sedative/Hypnotics (1) Test Sub-Category (-) Other (1) Selective Serotonin Reuptake Inhibitors (SSRI) (1) Test Test Name 1810FL Doxepin and Metabolite, Fluid