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) (8) High Performance Liquid Chromatography/Time of Flight-Mass Spectrometry (LC/TOF-MS) (2) Sample Type Blood (5) (-) Serum or Plasma (5) (-) Urine (5) Test Area Drugs of Abuse (10) Test Category NPS/Designer Drugs (10) Test Sub-Category (-) Alkaloids (2) (-) Opiates/Opioids (8) Other (2) Your search has returned no tests.