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) (1) Enzyme-Linked Immunosorbent Assay (ELISA) (9) Enzyme Immunoassay (EIA) (3) Gas Chromatography/Mass Spectrometry (GC/MS) (5) Headspace Gas Chromatography (GC) (1) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (3) High Performance Liquid Chromatography/Time of Flight-Mass Spectrometry (LC/TOF-MS) (7) Sample Type Blood (4) Fluid (2) Serum or Plasma (4) Tissue (1) Umbilical Cord (3) Urine (5) Test Area (-) Drugs of Abuse (16) Impairment (7) (-) Newborn Tox (3) Postmortem (26) Test Category Drugs of Abuse (15) Drugs of Abuse, Therapeutics (1) NPS/Designer Drugs (3) Test Sub-Category Opiates/Opioids (6) (-) Other (19) Your search has returned no tests.