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) (7) Gas Chromatography (GC) (41) (-) Gas Chromatography/Mass Spectrometry (GC/MS) (14) Headspace Gas Chromatography (GC) (46) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (4) High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS) (2) Refractometer (REF) (2) Sample Type Blood (6) Serum or Plasma (1) Tissue (1) Urine (6) Test Area Exposure (14) Test Category Acids (3) (-) Alcohols (3) Drugs of Abuse (4) Drugs of Abuse, Therapeutics (5) Gases (1) Industrial/Environmental Toxins (1) NPS/Designer Drugs (1) Other (1) Solvents (4) Therapeutics (13) (-) Volatiles (11) Test Sub-Category Other (14) Your search has returned no tests.