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 Urine (1) Test Area Therapeutics (1) Test Category Antidiarrheals (2) Antiepileptics/Antiseizures (9) Antihistamines (5) Antipsychotics (5) Hallucinogens (6) Immunosuppressants (4) (-) Laxatives (1) Metals/Elements (6) Test Sub-Category Amphetamines (3) (-) Other (1) Test Test Name 2499U Laxatives Panel (Qualitative), Urine