Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Gas Chromatography (GC) (27) Gas Chromatography (GC) and Gas Chromatography/Mass Spectrometry (GC/MS) (2) (-) Gas Chromatography/Mass Spectrometry (GC/MS) (24) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (67) Sample Type Blood (8) Plasma (1) Serum or Plasma (8) Urine (7) Test Area Drugs of Abuse (15) Exposure (3) Impairment (3) Newborn Tox (1) Postmortem (11) (-) Therapeutics (24) Test Category Depressants (2) Sedative/Hypnotics (22) Test Sub-Category Barbiturates (14) Other (10) Your search has returned no tests.