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) (1) Gas Chromatography (GC) and Gas Chromatography/Mass Spectrometry (GC/MS) (2) (-) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (13) Sample Type (-) Blood (13) Fluid (7) Oral Fluid (Saliva) (1) Serum or Plasma (13) Tissue (6) Urine (13) Test Area Therapeutics (13) Test Category (-) Analgesics (13) Antianxiety (1) Appetite Suppressants (1) Depressants (1) Exposure (1) Hallucinogens (1) Other (1) Stimulants (1) Test Sub-Category Opiates/Opioids (13) Your search has returned no tests.