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) (19) Enzyme Immunoassay (EIA) (4) Gas Chromatography/Mass Spectrometry (GC/MS) (6) Headspace Gas Chromatography (GC) (14) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (2) High Performance Liquid Chromatography/Time of Flight-Mass Spectrometry (LC/TOF-MS) (15) Sample Type (-) Blood (16) Fluid (1) Serum or Plasma (5) (-) Tissue (1) Umbilical Cord (1) (-) Urine (6) Test Area Drugs of Abuse (4) Impairment (2) Postmortem (15) Therapeutics (2) Test Category Analgesics (2) Drugs of Abuse (6) Drugs of Abuse, Therapeutics (4) NPS/Designer Drugs (1) Therapeutics (10) Test Sub-Category Alcohols (3) Opiates/Opioids (2) Other (18) Your search has returned no tests.