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) (8) Enzyme-Linked Immunosorbent Assay (ELISA) (20) Enzyme Immunoassay (EIA) (3) Gas Chromatography (GC) and Gas Chromatography/Mass Spectrometry (GC/MS) (4) Gas Chromatography/Mass Spectrometry (GC/MS) (10) Headspace Gas Chromatography (GC) (13) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (55) High Performance Liquid Chromatography/Time of Flight-Mass Spectrometry (LC/TOF-MS) (7) Sample Type Fluid (4) Tissue (4) Test Area Postmortem (6) Therapeutics (2) Test Category (-) Analgesics (2) (-) Therapeutics (6) Test Sub-Category Other (8) Your search has returned no tests.