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) (7) Enzyme-Linked Immunosorbent Assay (ELISA) (54) Enzyme Immunoassay (EIA) (15) Gas Chromatography/Mass Spectrometry (GC/MS) (12) Headspace Gas Chromatography (GC) (38) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (10) (-) High Performance Liquid Chromatography/Time of Flight-Mass Spectrometry (LC/TOF-MS) (12) Spectrophotometry (SP) (1) Sample Type Blood (7) Serum or Plasma (2) Urine (3) Test Area (-) Drugs of Abuse (3) (-) Impairment (2) (-) Postmortem (7) Test Category Drugs of Abuse (5) Therapeutics (7) Test Sub-Category Alcohols (2) Other (10) Your search has returned no tests.