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) (13) Enzyme-Linked Immunosorbent Assay (ELISA) (13) (-) Enzyme Immunoassay (EIA) (2) Gas Chromatography (GC) (41) Gas Chromatography/Mass Spectrometry (GC/MS) (21) Headspace Gas Chromatography (GC) (42) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (7) (-) High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS) (2) High Performance Liquid Chromatography/Time of Flight-Mass Spectrometry (LC/TOF-MS) (5) Refractometer (REF) (2) Sample Type Urine (4) Test Area Exposure (2) Postmortem (2) Test Category Drugs of Abuse (4) Drugs of Abuse, Therapeutics (3) (-) Therapeutics (2) (-) Volatiles (2) Test Sub-Category Other (4) Your search has returned no tests.