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) (5) Enzyme-Linked Immunosorbent Assay (ELISA) (16) Enzyme Immunoassay (EIA) (3) Gas Chromatography/Mass Spectrometry (GC/MS) (5) Headspace Gas Chromatography (GC) (8) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (10) High Performance Liquid Chromatography/Time of Flight-Mass Spectrometry (LC/TOF-MS) (10) Sample Type Blood (8) Fluid (5) Serum or Plasma (4) Tissue (4) Urine (5) Test Area (-) Drugs of Abuse (5) Impairment (2) Newborn Tox (1) (-) Postmortem (12) (-) Therapeutics (9) Test Category Analgesics (9) Drugs of Abuse (5) NPS/Designer Drugs (1) Therapeutics (11) Test Sub-Category Alcohols (2) Opiates/Opioids (10) Other (14) Your search has returned no tests.