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) (1) Gas Chromatography (GC) (40) Gas Chromatography/Mass Spectrometry (GC/MS) (13) Headspace Gas Chromatography (GC) (30) (-) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (8) High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS) (2) Refractometer (REF) (2) Spectrophotometry (SP) (1) Sample Type Blood (3) Urine (5) Test Area Exposure (7) Postmortem (1) Test Category Drugs of Abuse (5) Drugs of Abuse, Therapeutics (3) (-) Exposure (1) Other (1) Therapeutics (2) (-) Volatiles (7) Test Sub-Category Other (8) Your search has returned no tests.