Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) (-) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (3) Sample Type Blood (6) Fluid (1) Meconium (1) (-) Oral Fluid (Saliva) (3) Serum or Plasma (2) Tissue (1) Urine (3) Test Area Drugs of Abuse (2) Therapeutics (1) Test Category Analgesics (1) Depressants (1) (-) Drugs of Abuse (3) Hallucinogens (1) Psychoactives (2) Stimulants (2) Test Sub-Category Opiates/Opioids (1) Other (2) Your search has returned no tests.