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) (7) Gas Chromatography/Mass Spectrometry (GC/MS) (2) (-) Headspace Gas Chromatography (GC) (4) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (1) (-) High Performance Liquid Chromatography/Time of Flight-Mass Spectrometry (LC/TOF-MS) (3) Sample Type Blood (11) Fluid (4) (-) Serum or Plasma (7) Tissue (3) Urine (8) Test Area Drugs of Abuse (6) Postmortem (1) Test Category Drugs of Abuse (2) Drugs of Abuse, Therapeutics (2) NPS/Designer Drugs (2) Therapeutics (1) Test Sub-Category Opiates/Opioids (1) Other (6) Your search has returned no tests.