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) (9) (-) Gas Chromatography (GC) and Gas Chromatography/Mass Spectrometry (GC/MS) (1) (-) Gas Chromatography/Mass Spectrometry (GC/MS) (4) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (7) Sample Type Blood (2) Fluid (1) Serum or Plasma (1) Urine (1) Test Area (-) Therapeutics (5) Test Category (-) Analgesics (5) Antidepressants (2) Antihistamines (2) Sedative/Hypnotics (6) Test Sub-Category Opiates/Opioids (5) Your search has returned no tests.