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) Gas Chromatography/Mass Spectrometry (GC/MS) (1) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (1) Sample Type Blood (43) Fluid (3) (-) Hair (1) Serum or Plasma (42) (-) Tissue (1) Urine (20) Test Area (-) Drugs of Abuse (1) Exposure (2) (-) Therapeutics (1) Test Category Antidepressants (1) Other (1) Test Sub-Category Other (2) Test Test Name 4535TI Trazodone, Tissue 6945H Therapeutic and Drugs of Abuse Screen, Hair