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) (1) Headspace Gas Chromatography (GC) (1) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (13) High Performance Liquid Chromatography/Time of Flight-Mass Spectrometry (LC/TOF-MS) (7) Sample Type Blood (8) Serum or Plasma (6) Urine (6) Test Area Drugs of Abuse (19) Postmortem (1) Test Category (-) NPS/Designer Drugs (20) Test Sub-Category (-) Alkaloids (3) (-) Opiates/Opioids (12) (-) Other (5) Your search has returned no tests.