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) (10) Gas Chromatography/Mass Spectrometry (GC/MS) (8) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (21) Sample Type Blood (4) Serum or Plasma (5) Urine (1) Test Area Therapeutics (10) Test Category Depressants (2) Drugs of Abuse (5) Drugs of Abuse, Therapeutics (5) NPS/Designer Drugs (1) Other (1) (-) Sedative/Hypnotics (10) Therapeutics (5) Test Sub-Category Barbiturates (4) (-) Other (10) Your search has returned no tests.