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) (5) Enzyme-Linked Immunosorbent Assay (ELISA) (16) Gas Chromatography/Mass Spectrometry (GC/MS) (5) Headspace Gas Chromatography (GC) (9) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (1) High Performance Liquid Chromatography/Time of Flight-Mass Spectrometry (LC/TOF-MS) (9) Sample Type (-) Fluid (3) (-) Tissue (2) Test Area Drugs of Abuse (1) Postmortem (4) Test Category Drugs of Abuse (1) Therapeutics (4) Test Sub-Category Other (5) Your search has returned no tests.