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 (2) Test Area Therapeutics (2) Test Category Antianxiety (1) Antiepileptics/Antiseizures (2) Antihistamines (1) (-) Antimicrobials (1) Hallucinogens (1) (-) Laxatives (1) Stimulants (1) Test Sub-Category Antiparasitics (1) Other (1) Test Test Name 2499U Laxatives Panel (Qualitative), Urine 2501U Levamisole, Urine