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) 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 Analgesics (5) Antiarrhythmics (6) Anticholinergics (3) Antidepressants (8) Antiemetics (1) Antihistamines (5) Antihypertensives (5) Antithrombotics (4) Antitussives/Cough Suppressants (10) Cholinesterase Inhibitors (3) Diuretics (4) Drugs of Abuse (2) NPS/Designer Drugs (9) Pesticides/Insecticides (2) (-) Potassium Channel Blockers (2) Psychoactives (2) Vasodilators (2) Test Sub-Category Other (2) Test Test Name 0275SP Dalfampridine, Serum/Plasma 0275U Dalfampridine, Urine