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) (12) Gas Chromatography (GC) and Gas Chromatography/Mass Spectrometry (GC/MS) (1) (-) Gas Chromatography/Mass Spectrometry (GC/MS) (8) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (27) Sample Type Blood (8) Plasma (1) (-) Serum or Plasma (8) Urine (7) Test Area Drugs of Abuse (4) Exposure (1) Impairment (1) Postmortem (1) (-) Therapeutics (8) Test Category Depressants (1) Sedative/Hypnotics (7) Test Sub-Category Barbiturates (5) Other (3) Your search has returned no tests.