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) (1) Gas Chromatography (GC) (17) Gas Chromatography/Mass Spectrometry (GC/MS) (4) Headspace Gas Chromatography (GC) (3) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (50) (-) High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS) (3) Sample Type Blood (1) Serum or Plasma (2) Test Area Drugs of Abuse (3) (-) Therapeutics (3) Test Category Antiarrhythmics (3) Test Sub-Category Dopamine Antagonists (3) Opiates/Opioids (5) (-) Other (3) Proton-Pump Inhibitors (2) Your search has returned no tests.