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) (6) Enzyme-Linked Immunosorbent Assay (ELISA) (37) Enzyme Immunoassay (EIA) (10) (-) Gas Chromatography/Mass Spectrometry (GC/MS) (13) Headspace Gas Chromatography (GC) (28) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (9) High Performance Liquid Chromatography/Time of Flight-Mass Spectrometry (LC/TOF-MS) (14) Spectrophotometry (SP) (1) Sample Type Blood (2) Fluid (3) Serum or Plasma (2) Tissue (3) Urine (3) Test Area (-) Drugs of Abuse (4) Exposure (1) (-) Postmortem (9) Test Category Drugs of Abuse (3) Drugs of Abuse, Therapeutics (1) Therapeutics (9) Test Sub-Category Alcohols (1) Barbiturates (5) (-) Other (13) Your search has returned no tests.