Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Enzyme-Linked Immunosorbent Assay (ELISA) (3) Enzyme Immunoassay (EIA) (1) Gas Chromatography/Mass Spectrometry (GC/MS) (5) (-) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (3) Sample Type Blood (1) Serum or Plasma (1) Urine (1) Test Area (-) Drugs of Abuse (3) Newborn Tox (1) Therapeutics (7) Test Category NPS/Designer Drugs (3) Test Sub-Category Designer Benzodiazepines (3) (-) Opiates/Opioids (3) Synthetic Cathinone (3) Your search has returned no tests.