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) (8) Gas Chromatography (GC) (8) Gas Chromatography (GC) and Gas Chromatography/Mass Spectrometry (GC/MS) (2) Gas Chromatography/Mass Spectrometry (GC/MS) (1) (-) Headspace Gas Chromatography (GC) (3) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (19) High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS) (4) High Performance Liquid Chromatography/Time of Flight-Mass Spectrometry (LC/TOF-MS) (1) Sample Type (-) Blood (3) Fluid (3) Serum or Plasma (3) Tissue (2) Urine (3) Test Area (-) Drugs of Abuse (3) Exposure (2) Impairment (3) Test Category Drugs of Abuse (1) Drugs of Abuse, Therapeutics (2) Test Sub-Category Other (3) Your search has returned no tests.