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) (7) (-) Enzyme Immunoassay (EIA) (3) Gas Chromatography (GC) (5) (-) Gas Chromatography/Mass Spectrometry (GC/MS) (4) Headspace Gas Chromatography (GC) (27) High Performance Liquid Chromatography/Time of Flight-Mass Spectrometry (LC/TOF-MS) (1) Sample Type Blood (1) Serum or Plasma (1) Urine (4) Test Area Drugs of Abuse (3) Exposure (3) Test Category Acids (3) (-) Alcohols (3) Drugs of Abuse (5) (-) Drugs of Abuse, Therapeutics (3) Gases (1) Industrial/Environmental Toxins (1) Other (1) Solvents (4) Therapeutics (9) Volatiles (11) Test Sub-Category Other (6) Your search has returned no tests.