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) (4) (-) Enzyme Immunoassay (EIA) (1) Gas Chromatography (GC) (7) Gas Chromatography/Mass Spectrometry (GC/MS) (5) Headspace Gas Chromatography (GC) (2) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (37) (-) High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS) (3) Refractometer (REF) (2) Sample Type Blood (1) Serum or Plasma (1) Urine (2) Test Area Therapeutics (4) Test Category Antitussives/Cough Suppressants (3) Depressants (1) Test Sub-Category Barbiturates (1) (-) Benzodiazepines (1) Opiates/Opioids (1) (-) Other (3) Toxic Elements (1) Your search has returned no tests.