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) (2) Enzyme-Linked Immunosorbent Assay (ELISA) (15) Enzyme Immunoassay (EIA) (5) Gas Chromatography (GC) (8) Gas Chromatography/Mass Spectrometry (GC/MS) (2) (-) Headspace Gas Chromatography (GC) (9) High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS) (2) High Performance Liquid Chromatography/Time of Flight-Mass Spectrometry (LC/TOF-MS) (3) Sample Type Blood (3) Fluid (2) Serum or Plasma (3) Tissue (1) Urine (2) Test Area Drugs of Abuse (6) Exposure (5) Test Category Biomarkers (1) (-) Drugs of Abuse (6) Metals/Elements (1) Other (1) Solvents (4) (-) Volatiles (5) Test Sub-Category Other (11) Your search has returned no tests.