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) (12) Gas Chromatography/Mass Spectrometry (GC/MS) (10) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (21) Sample Type Blood (5) Serum or Plasma (6) Urine (1) Test Area Exposure (1) Postmortem (1) (-) Therapeutics (12) Test Category Depressants (2) Sedative/Hypnotics (10) Test Sub-Category Barbiturates (11) (-) Other (12) Your search has returned no tests.