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) (25) (-) Enzyme Immunoassay (EIA) (8) Gas Chromatography (GC) (21) Gas Chromatography/Mass Spectrometry (GC/MS) (5) Headspace Gas Chromatography (GC) (18) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (18) High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS) (2) High Performance Liquid Chromatography/Time of Flight-Mass Spectrometry (LC/TOF-MS) (3) Spectrophotometry (SP) (1) Sample Type Urine (8) Test Area (-) Drugs of Abuse (8) Impairment (5) Test Category Drugs of Abuse (5) Drugs of Abuse, Therapeutics (3) Test Sub-Category Other (8) Your search has returned no tests.