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) (1) Enzyme Immunoassay (EIA) (2) Gas Chromatography (GC) (2) Headspace Gas Chromatography (GC) (1) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (3) Sample Type Blood (9) Fluid (1) Serum or Plasma (8) Tissue (1) (-) Urine (8) Test Area (-) Drugs of Abuse (3) (-) Exposure (5) Therapeutics (6) Test Category Acids (2) Alcohols (1) Depressants (2) Hallucinogens (1) Herbicides (1) Volatiles (1) Test Sub-Category Carboxylic Acids (2) Opiates/Opioids (2) Other (4) Your search has returned no tests.