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 Blood (2) Fluid (1) Serum or Plasma (5) Tissue (1) (-) Urine (1) Test Area Therapeutics (1) Test Category Anesthetics (2) Antianxiety (1) Anticholinergics (1) Antidepressants (1) (-) Antiepileptics/Antiseizures (1) Antihistamines (1) Antitussives/Cough Suppressants (1) Plasticizers (1) Potassium Channel Blockers (1) Solvents (1) Stimulants (2) Volatiles (7) Test Sub-Category Beta Blockers (1) (-) Other (1) Test Test Name 0975U Carbamazepine-10,11-Epoxide, Urine