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) (23) (-) 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 (9) Plasma (1) Serum or Plasma (9) Urine (7) Test Area Drugs of Abuse (23) Exposure (3) Impairment (5) Newborn Tox (1) Postmortem (16) (-) Therapeutics (26) Test Category Anesthetics (2) Depressants (2) Sedative/Hypnotics (22) Test Sub-Category Barbiturates (16) Other (10) Your search has returned no tests.