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) (2) Gas Chromatography (GC) (8) (-) Headspace Gas Chromatography (GC) (8) (-) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (2) Sample Type Blood (3) Fluid (1) Serum or Plasma (2) Tissue (1) Urine (3) Test Area Drugs of Abuse (3) (-) Exposure (10) Therapeutics (35) Test Category Acids (2) Solvents (4) Volatiles (4) Test Sub-Category Carboxylic Acids (2) Organic (4) Other (4) Your search has returned no tests.