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) High Performance Liquid Chromatography/Time of Flight-Mass Spectrometry (LC/TOF-MS) (1) Sample Type (-) Blood (5) Serum or Plasma (5) Urine (5) Test Area Drugs of Abuse (5) Test Category (-) NPS/Designer Drugs (5) Test Sub-Category (-) Alkaloids (1) (-) Opiates/Opioids (4) Other (3) Your search has returned no tests.