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 (GC) (1) (-) Gas Chromatography/Mass Spectrometry (GC/MS) (1) (-) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (1) Inductively Coupled Plasma/Mass Spectrometry (ICP/MS) (2) Sample Type Blood (30) Fluid (3) (-) Hair (1) Serum or Plasma (29) (-) Tissue (1) Urine (12) Test Area Drugs of Abuse (1) 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