Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Colorimetry (C) (2) Enzyme-Linked Immunosorbent Assay (ELISA) (13) Gas Chromatography/Mass Spectrometry (GC/MS) (4) Headspace Gas Chromatography (GC) (8) High Performance Liquid Chromatography/Time of Flight-Mass Spectrometry (LC/TOF-MS) (3) Sample Type Blood (15) (-) Fluid (6) Hair (3) (-) Serum or Plasma (10) Tissue (4) Urine (15) Test Area (-) Drugs of Abuse (14) (-) Postmortem (2) Therapeutics (1) Test Category Drugs of Abuse (7) Drugs of Abuse, Therapeutics (5) NPS/Designer Drugs (2) Therapeutics (2) Test Sub-Category Opiates/Opioids (1) Other (15) Your search has returned no tests.