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) (13) High Performance Liquid Chromatography/Time of Flight-Mass Spectrometry (LC/TOF-MS) (6) Sample Type Blood (5) Serum or Plasma (4) Urine (4) Test Area (-) Drugs of Abuse (13) Test Category (-) NPS/Designer Drugs (13) Test Sub-Category Alkaloids (3) Opiates/Opioids (9) Other (1) Your search has returned no tests.