Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Colorimetry (C) (1) Enzyme-Linked Immunosorbent Assay (ELISA) (2) (-) Enzyme Immunoassay (EIA) (1) (-) Gas Chromatography/Mass Spectrometry (GC/MS) (4) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (5) High Performance Liquid Chromatography/Time of Flight-Mass Spectrometry (LC/TOF-MS) (3) Sample Type Blood (1) Fluid (1) Serum or Plasma (1) Urine (2) Test Area (-) Drugs of Abuse (5) Exposure (1) Therapeutics (6) Test Category Depressants (4) Stimulants (1) Test Sub-Category Biomarkers (1) Cannabinoids (1) Opiates/Opioids (3) (-) Other (5) Test Test Name 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 9522U Methamphetamine and Amphetamine Screen, Urine