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) (1) Gas Chromatography/Mass Spectrometry (GC/MS) (1) (-) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (3) Ion Specific Electrode (ISE) (1) Sample Type Blood (11) Fluid (3) Hair (1) Serum or Plasma (13) (-) Tissue (3) Urine (6) Test Area Drugs of Abuse (1) Therapeutics (2) Test Category Analgesics (2) Depressants (1) Test Sub-Category Benzodiazepines (1) Opiates/Opioids (2) Your search has returned no tests.