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) (14) (-) Gas Chromatography/Mass Spectrometry (GC/MS) (2) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (24) Sample Type Blood (6) Plasma (1) Serum or Plasma (6) Urine (3) Test Area Exposure (15) Impairment (3) (-) Therapeutics (16) Test Category Anesthetics (1) Antiepileptics/Antiseizures (8) Depressants (1) Sedative/Hypnotics (6) Test Sub-Category Opiates/Opioids (1) Other (15) Your search has returned no tests.