Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Colorimetry (C) (1) Enzyme-Linked Immunosorbent Assay (ELISA) (25) (-) Enzyme Immunoassay (EIA) (8) Gas Chromatography/Mass Spectrometry (GC/MS) (4) (-) Headspace Gas Chromatography (GC) (14) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (14) High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS) (2) High Performance Liquid Chromatography/Time of Flight-Mass Spectrometry (LC/TOF-MS) (3) Sample Type Blood (3) Fluid (3) Serum or Plasma (3) Tissue (2) Urine (8) Test Area (-) Drugs of Abuse (19) Exposure (25) Impairment (9) Therapeutics (24) Test Category Drugs of Abuse (9) Drugs of Abuse, Therapeutics (10) Test Sub-Category Other (19) Your search has returned no tests.