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) (6) Enzyme Immunoassay (EIA) (3) Gas Chromatography (GC) (5) Gas Chromatography/Mass Spectrometry (GC/MS) (2) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (11) High Performance Liquid Chromatography/Time of Flight-Mass Spectrometry (LC/TOF-MS) (3) Sample Type Blood (10) Fluid (2) Hair (1) Serum or Plasma (8) Tissue (1) Urine (8) Test Area Drugs of Abuse (5) Therapeutics (25) Test Category (-) Analgesics (27) Anticholinergics (3) Depressants (3) (-) NPS/Designer Drugs (3) Test Sub-Category (-) Opiates/Opioids (30) Synthetic Cannabinoids (2) Your search has returned no tests.