Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Colorimetry (C) (1) (-) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (7) Sample Type Blood (13) (-) Fluid (7) Oral Fluid (Saliva) (1) Serum or Plasma (13) Tissue (6) Urine (13) Test Area Therapeutics (7) Test Category (-) Analgesics (7) Antianxiety (1) Depressants (1) Hallucinogens (1) Stimulants (1) Test Sub-Category Opiates/Opioids (7) Your search has returned no tests.