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) (9) (-) High Performance Liquid Chromatography/Time of Flight-Mass Spectrometry (LC/TOF-MS) (3) Sample Type Blood (1) Serum or Plasma (1) Urine (1) Test Area (-) Drugs of Abuse (3) Postmortem (1) Therapeutics (2) Test Category NPS/Designer Drugs (3) Test Sub-Category (-) Other (3) Test Test Name 8756B Novel Psychoactive Substances (NPS) Screen 1, Blood 8756SP Novel Psychoactive Substances (NPS) Screen 1, Serum/Plasma 8756U Novel Psychoactive Substances (NPS) Screen 1, Urine