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) (4) Sample Type Blood (14) Fluid (2) Meconium (2) (-) Oral Fluid (Saliva) (4) Serum or Plasma (6) Tissue (3) Urine (12) Test Area Drugs of Abuse (3) 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 (3) Your search has returned no tests.