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) (6) Sample Type Blood (2) Serum or Plasma (2) Urine (2) Test Area (-) Drugs of Abuse (6) Exposure (3) Newborn Tox (1) Therapeutics (10) Test Category NPS/Designer Drugs (6) Test Sub-Category Barbiturates (9) Designer Benzodiazepines (3) (-) Opiates/Opioids (3) (-) Synthetic Cathinone (3) Your search has returned no tests.