Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Enzyme Immunoassay (EIA) (1) Gas Chromatography (GC) (7) Gas Chromatography/Mass Spectrometry (GC/MS) (7) (-) Headspace Gas Chromatography (GC) (1) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (22) Sample Type Blood (5) Fluid (1) Serum or Plasma (1) Tissue (2) (-) Urine (1) Test Area Drugs of Abuse (7) (-) Exposure (1) Impairment (4) Postmortem (3) Test Category Volatiles (1) Test Sub-Category Other (1) Test Test Name 2321U Hydrocarbon and Oxygenated Volatiles Panel, Urine