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) (5) (-) Enzyme Immunoassay (EIA) (1) Gas Chromatography (GC) (8) (-) Gas Chromatography/Mass Spectrometry (GC/MS) (6) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (27) Refractometer (REF) (2) Sample Type Blood (1) Fluid (1) Serum or Plasma (1) Urine (4) Test Area Exposure (2) Therapeutics (5) Test Category (-) Analgesics (5) Anesthetics (2) Antihistamines (2) Hallucinogens (1) Sedative/Hypnotics (3) (-) Solvents (2) Test Sub-Category Opiates/Opioids (5) Other (2) Your search has returned no tests.