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) (4) Enzyme Immunoassay (EIA) (3) Gas Chromatography (GC) (5) (-) Gas Chromatography (GC) and Gas Chromatography/Mass Spectrometry (GC/MS) (3) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (28) Sample Type Blood (3) Serum or Plasma (3) Urine (1) Test Area Drugs of Abuse (2) Therapeutics (5) Test Category (-) Analgesics (5) (-) Stimulants (2) Test Sub-Category Opiates/Opioids (5) Other (2) Your search has returned no tests.