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) (4) Enzyme-Linked Immunosorbent Assay (ELISA) (26) Enzyme Immunoassay (EIA) (3) (-) Gas Chromatography/Mass Spectrometry (GC/MS) (9) Headspace Gas Chromatography (GC) (30) (-) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (1) High Performance Liquid Chromatography/Time of Flight-Mass Spectrometry (LC/TOF-MS) (10) Spectrophotometry (SP) (1) Sample Type Blood (4) Fluid (2) Serum or Plasma (1) Tissue (2) Urine (1) Test Area Drugs of Abuse (1) Exposure (41) Impairment (3) (-) Postmortem (10) Test Category Exposure (1) Therapeutics (8) Test Sub-Category Alcohols (1) Other (8) Your search has returned no tests.