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) Gas Chromatography (GC) (9) Gas Chromatography/Mass Spectrometry (GC/MS) (5) Headspace Gas Chromatography (GC) (4) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (5) High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS) (2) Refractometer (REF) (2) Sample Type Blood (41) Fluid (1) Serum or Plasma (14) Tissue (7) (-) Urine (22) Test Area Drugs of Abuse (7) (-) Exposure (22) Impairment (4) Postmortem (3) Test Category Volatiles (22) Test Sub-Category Other (22) Your search has returned no tests.