Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Enzyme Immunoassay (EIA) (1) Gas Chromatography (GC) (1) (-) Gas Chromatography/Mass Spectrometry (GC/MS) (1) (-) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (3) Sample Type Blood (5) Fluid (1) Serum or Plasma (3) (-) Urine (4) Test Area Drugs of Abuse (1) Therapeutics (3) Test Category Analgesics (4) Test Sub-Category Alkaloids (1) Antibiotics (1) Anticholinergics (1) Benzodiazepines (1) (-) Opiates/Opioids (4) Other (3) Tricyclic (1) Vasoconstrictors (1) Your search has returned no tests.