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) Analgesics (16) Anesthetics (4) Antianxiety (7) Antiarrhythmics (4) Anticholinergics (10) Antidepressants (5) Antiepileptics/Antiseizures (10) Antifibrinolytics (1) Antihistamines (1) Antihypertensives (8) Antimicrobials (4) Antineoplastics (1) Antipsychotics (4) Antithrombotics (2) Bronchodilators (4) Diuretics (5) Immunosuppressants (1) (-) Potassium Channel Blockers (2) Stimulants (7) Test Sub-Category Other (2) Test Test Name 0275SP Dalfampridine, Serum/Plasma 0275U Dalfampridine, Urine