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) (3) (-) Enzyme-Linked Immunosorbent Assay (ELISA) (2) Gas Chromatography (GC) (6) Gas Chromatography/Mass Spectrometry (GC/MS) (3) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (12) Sample Type Serum or Plasma (1) Urine (4) Test Area Drugs of Abuse (2) Exposure (3) Test Category (-) Acids (3) Alcohols (1) (-) Hallucinogens (2) Hydrocarbons (1) Metals/Elements (8) Volatiles (2) Test Sub-Category Carboxylic Acids (3) Other (2) Your search has returned no tests.