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 Depressants (1) Drugs of Abuse (1) Drugs of Abuse, Therapeutics (4) Hallucinogens (2) (-) NPS/Designer Drugs (1) Sedative/Hypnotics (1) Test Sub-Category Other (1) Test Test Name 8756U Novel Psychoactive Substances (NPS) Screen 1, Urine