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) (16) Gas Chromatography/Mass Spectrometry (GC/MS) (10) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (21) Sample Type Blood (6) Serum or Plasma (7) Urine (3) Test Area Drugs of Abuse (1) Exposure (1) Postmortem (6) (-) Therapeutics (16) Test Category Depressants (2) Sedative/Hypnotics (14) Test Sub-Category Barbiturates (11) (-) Other (16) Your search has returned no tests.