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) (6) Headspace Gas Chromatography (GC) (4) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (2) High Performance Liquid Chromatography/Time of Flight-Mass Spectrometry (LC/TOF-MS) (6) Sample Type Blood (6) Serum or Plasma (2) Test Area Drugs of Abuse (2) Postmortem (4) Therapeutics (2) Test Category (-) Antidiarrheals (2) (-) Drugs of Abuse (2) (-) Drugs of Abuse, Therapeutics (4) NPS/Designer Drugs (1) Therapeutics (5) Test Sub-Category Other (8) Your search has returned no tests.