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 (2) Serum or Plasma (1) (-) Urine (1) Test Area Drugs of Abuse (1) Test Category Analgesics (1) Antianxiety (1) Antidepressants (1) Drugs of Abuse (5) Drugs of Abuse, Therapeutics (4) Hallucinogens (2) (-) NPS/Designer Drugs (1) Stimulants (1) Therapeutics (3) Test Sub-Category (-) Other (1) Test Test Name 8756U Novel Psychoactive Substances (NPS) Screen 1, Urine