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) (6) Enzyme Immunoassay (EIA) (7) Gas Chromatography (GC) (42) (-) Gas Chromatography/Mass Spectrometry (GC/MS) (8) Headspace Gas Chromatography (GC) (1) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (41) High Performance Liquid Chromatography/Tandem Quadrupole Time of Flight Mass Spectrometry. (2) High Performance Liquid Chromatography/Time of Flight-Mass Spectrometry (LC/TOF-MS) (4) Sample Type (-) Blood (5) Fluid (2) Serum or Plasma (3) (-) Urine (4) Test Area Drugs of Abuse (5) Exposure (1) Therapeutics (3) Test Category Analgesics (2) Depressants (2) Muscle Relaxants (1) Sedative/Hypnotics (2) Stimulants (1) Volatiles (1) Test Sub-Category Opiates/Opioids (2) Other (7) Your search has returned no tests.