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/Time of Flight-Mass Spectrometry (LC/TOF-MS) (1) Sample Type (-) Blood (1) Serum or Plasma (1) Urine (1) Test Area (-) Drugs of Abuse (1) Test Category (-) NPS/Designer Drugs (1) Test Sub-Category (-) Other (1) Test Test Name 8756B Novel Psychoactive Substances (NPS) Screen 1, Blood