Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) (-) Enzyme-Linked Immunosorbent Assay (ELISA) (6) Enzyme Immunoassay (EIA) (3) Gas Chromatography (GC) (5) (-) Gas Chromatography/Mass Spectrometry (GC/MS) (2) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (13) High Performance Liquid Chromatography/Time of Flight-Mass Spectrometry (LC/TOF-MS) (3) Sample Type Blood (4) Serum or Plasma (3) Urine (1) Test Area Drugs of Abuse (2) Therapeutics (6) Test Category (-) Analgesics (8) Depressants (6) Muscle Relaxants (3) Psychoactives (3) Sedative/Hypnotics (3) Stimulants (2) Volatiles (1) Test Sub-Category Opiates/Opioids (8) Your search has returned no tests.