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) (6) Enzyme-Linked Immunosorbent Assay (ELISA) (17) Enzyme Immunoassay (EIA) (3) Gas Chromatography/Mass Spectrometry (GC/MS) (10) Headspace Gas Chromatography (GC) (13) High Performance Liquid Chromatography/Time of Flight-Mass Spectrometry (LC/TOF-MS) (7) Sample Type Fluid (3) Tissue (3) Test Area (-) Postmortem (6) Test Category Analgesics (2) (-) Therapeutics (6) Test Sub-Category Other (6) Your search has returned no tests.