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) (1) Sample Type (-) Serum or Plasma (1) Urine (1) Test Area Therapeutics (1) Test Category Analgesics (2) Antiarrhythmics (2) Anticholinergics (1) Antidepressants (3) Antiemetics (1) Antihistamines (1) Antihypertensives (2) Antithrombotics (4) Antitussives/Cough Suppressants (3) Cholinesterase Inhibitors (1) Diuretics (2) NPS/Designer Drugs (3) Pesticides/Insecticides (1) (-) Potassium Channel Blockers (1) Vasodilators (1) Test Sub-Category Other (1) Test Test Name 0275SP Dalfampridine, Serum/Plasma