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/Mass Spectrometry (GC/MS) (4) Headspace Gas Chromatography (GC) (1) Sample Type Blood (2) Fluid (1) Serum or Plasma (1) Urine (1) Test Area (-) Drugs of Abuse (5) Exposure (6) Therapeutics (2) Test Category (-) Depressants (4) Drugs of Abuse (20) Drugs of Abuse, Therapeutics (13) Other (1) (-) Volatiles (1) Test Sub-Category Alcohols (11) BAC (2) Benzodiazepines (5) (-) Other (5) Test Test Name 2415B Volatile and Halocarbon Intoxicants, Blood 9326B Gamma-Hydroxybutyric Acid Screen, Blood 9326FL Gamma-Hydroxybutyric Acid Screen, Fluid 9326SP Gamma-Hydroxybutyric Acid Screen, Serum/Plasma 9326U Gamma-Hydroxybutyric Acid Screen, Urine