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 24 Hour Urine (1) Blood (28) Fluid (2) (-) Hair (1) Serum or Plasma (22) (-) Tissue (1) Urine (13) Test Area Drugs of Abuse (1) Therapeutics (1) Test Category Antidepressants (1) Other (1) Test Sub-Category (-) Other (2) Toxic Elements (2) Test Test Name 4535TI Trazodone, Tissue 6945H Therapeutic and Drugs of Abuse Screen, Hair