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) (-) Enzyme-Linked Immunosorbent Assay (ELISA) (3) Enzyme Immunoassay (EIA) (1) Gas Chromatography (GC) (7) Headspace Gas Chromatography (GC) (4) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (16) Sample Type Blood (1) Serum or Plasma (1) Urine (3) Test Area Drugs of Abuse (3) Exposure (2) Test Category Acids (2) Hallucinogens (3) Test Sub-Category (-) Carboxylic Acids (2) Opiates/Opioids (4) (-) Other (3) Your search has returned no tests.