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 (4) Plasma (1) Serum or Plasma (3) Urine (2) Test Area Drugs of Abuse (10) Exposure (3) Postmortem (9) (-) Therapeutics (10) Test Category Depressants (2) Sedative/Hypnotics (8) Test Sub-Category Barbiturates (14) (-) Other (10) Your search has returned no tests.