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 (1) (-) Urine (1) Test Area Therapeutics (2) Test Category Antianxiety (2) Antidiarrheals (1) Antiepileptics/Antiseizures (5) Antihistamines (3) Antihypertensives (1) (-) Antimicrobials (2) Antipsychotics (1) Hallucinogens (3) Immunosuppressants (2) Laxatives (1) Stimulants (2) Test Sub-Category Antiparasitics (2) Test Test Name 2501B Levamisole, Blood 2501U Levamisole, Urine