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) (2) Gas Chromatography (GC) (3) (-) Gas Chromatography/Mass Spectrometry (GC/MS) (2) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (14) (-) High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS) (1) Sample Type (-) Blood (3) Plasma (1) Serum or Plasma (3) Urine (4) Test Area Diagnostic Aids (1) Drugs of Abuse (1) (-) Therapeutics (3) Test Category Antitussives/Cough Suppressants (1) Sedative/Hypnotics (2) Test Sub-Category Barbiturates (2) Other (1) Your search has returned no tests.