Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Enzyme-Linked Immunosorbent Assay (ELISA) (10) Enzyme Immunoassay (EIA) (3) (-) Headspace Gas Chromatography (GC) (9) (-) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (3) Sample Type Blood (3) Fluid (2) Serum or Plasma (3) Tissue (1) Urine (3) Test Area Drugs of Abuse (9) Therapeutics (3) Test Category Antiarrhythmics (2) (-) Anticholinergics (3) Antihistamines (5) Antitussives/Cough Suppressants (10) Cholinesterase Inhibitors (3) Diuretics (4) Drugs of Abuse (10) (-) Drugs of Abuse, Therapeutics (9) Potassium Channel Blockers (2) Volatiles (4) Test Sub-Category (-) Other (12) Your search has returned no tests.