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) (2) Gas Chromatography (GC) (2) Gas Chromatography (GC) and Gas Chromatography/Mass Spectrometry (GC/MS) (1) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (8) Sample Type (-) Blood (2) Serum or Plasma (2) Test Area Drugs of Abuse (1) Therapeutics (1) Test Category (-) Analgesics (1) (-) Stimulants (1) Test Sub-Category Opiates/Opioids (1) Other (1) Your search has returned no tests.