Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (2) Sample Type Serum or Plasma (1) Urine (1) Test Area Therapeutics (2) Test Category Alcohol Deterrents (1) Antianxiety (8) Antiarrhythmics (4) Anticholinergics (3) Antihistamines (12) Antileprosy Agents (2) Antitussives/Cough Suppressants (10) Cholinesterase Inhibitors (3) Diuretics (4) Drugs of Abuse (35) Drugs of Abuse, Therapeutics (13) Industrial/Environmental Toxins (2) Muscle Relaxants (1) Pesticides/Insecticides (3) (-) Potassium Channel Blockers (2) Solvents (9) Volatiles (7) Test Sub-Category (-) Other (2) Test Test Name 0275SP Dalfampridine, Serum/Plasma 0275U Dalfampridine, Urine