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) Enzymatic Assay (EZA) (1) Gas Chromatography (GC) (29) (-) Gas Chromatography/Mass Spectrometry (GC/MS) (4) Headspace Gas Chromatography (GC) (25) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (2) Refractometer (REF) (2) Spectrophotometry (SP) (1) Sample Type Blood (1) Serum or Plasma (1) Urine (2) Test Area Exposure (4) Test Category Acids (3) Alcohols (3) Drugs of Abuse (3) Drugs of Abuse, Therapeutics (1) Gases (1) Industrial/Environmental Toxins (1) Other (1) (-) Solvents (4) Therapeutics (8) Volatiles (11) Test Sub-Category Other (4) Your search has returned no tests.