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 Blood (1) Serum or Plasma (3) (-) Urine (2) Test Area Drugs of Abuse (1) Therapeutics (1) Test Category Analgesics (1) Anticholinergics (1) Antidepressants (2) Antihistamines (1) Antihypertensives (1) Antitussives/Cough Suppressants (4) (-) Diuretics (1) Drugs of Abuse (3) Drugs of Abuse, Therapeutics (2) NPS/Designer Drugs (3) (-) Potassium Channel Blockers (1) Test Sub-Category Other (2) Test Test Name 0275U Dalfampridine, Urine 9318U Diuretics Screen, Urine