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) (9) Enzyme-Linked Immunosorbent Assay (ELISA) (4) (-) Enzyme Immunoassay (EIA) (3) Gas Chromatography (GC) (39) Gas Chromatography (GC) and Gas Chromatography/Mass Spectrometry (GC/MS) (3) Gas Chromatography/Mass Spectrometry (GC/MS) (16) Headspace Gas Chromatography (GC) (13) Hematofluorometry (H) (1) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (86) High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS) (6) High Performance Liquid Chromatography/Time of Flight-Mass Spectrometry (LC/TOF-MS) (3) Inductively Coupled Plasma/Mass Spectrometry (ICP/MS) (58) Inductively Coupled Plasma/Optical Emission Spectrometry (ICP/OES) (3) Refractometer (REF) (2) (-) Spectrophotometry (SP) (1) Sample Type Blood (1) Urine (3) Test Area Drugs of Abuse (1) Exposure (1) Therapeutics (2) Test Category Analgesics (2) Biomarkers (1) Stimulants (1) Test Sub-Category Opiates/Opioids (2) Other (2) Your search has returned no tests.