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) (9) Sample Type Blood (3) Serum or Plasma (4) (-) Urine (4) Test Area Drugs of Abuse (2) Exposure (2) Test Category Alcohols (1) Depressants (1) Hallucinogens (1) Herbicides (1) Test Sub-Category Opiates/Opioids (1) Other (3) Your search has returned no tests.