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) (1) Enzyme-Linked Immunosorbent Assay (ELISA) (21) Enzyme Immunoassay (EIA) (7) Gas Chromatography/Mass Spectrometry (GC/MS) (4) Headspace Gas Chromatography (GC) (8) (-) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (5) High Performance Liquid Chromatography/Time of Flight-Mass Spectrometry (LC/TOF-MS) (5) Sample Type Blood (1) Oral Fluid (Saliva) (2) Serum or Plasma (1) Urine (1) Test Area Drugs of Abuse (2) Therapeutics (3) Test Category Antiarrhythmics (2) (-) Anticholinergics (3) Antihistamines (5) Antitussives/Cough Suppressants (10) Cholinesterase Inhibitors (3) Diuretics (4) (-) Drugs of Abuse (2) Potassium Channel Blockers (2) Test Sub-Category (-) Other (5) Your search has returned no tests.