Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Enzymatic Assay (EZA) (1) (-) Gas Chromatography (GC) (11) Gas Chromatography/Mass Spectrometry (GC/MS) (1) Headspace Gas Chromatography (GC) (1) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (10) Sample Type Blood (11) Fluid (1) (-) Serum or Plasma (11) Tissue (1) Urine (4) Test Area Exposure (5) Therapeutics (6) Test Category Antiepileptics/Antiseizures (3) Depressants (1) Pesticides/Insecticides (1) Sedative/Hypnotics (2) Solvents (4) Test Sub-Category Opiates/Opioids (1) Other (10) Your search has returned no tests.