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) Enzymatic Assay (EZA) (1) Enzyme-Linked Immunosorbent Assay (ELISA) (13) (-) Enzyme Immunoassay (EIA) (2) Gas Chromatography (GC) (27) Gas Chromatography/Mass Spectrometry (GC/MS) (12) Gas Chromatography/Tandem Mass Spectrometry (GC-MS/MS) (1) Headspace Gas Chromatography (GC) (30) High Performance Liquid Chromatography/Time of Flight-Mass Spectrometry (LC/TOF-MS) (5) Refractometer (REF) (2) Spectrophotometry (SP) (1) Sample Type Urine (2) Test Area Postmortem (2) Test Category Drugs of Abuse (4) Drugs of Abuse, Therapeutics (3) (-) Therapeutics (2) Test Sub-Category Other (2) Your search has returned no tests.