Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Enzyme-Linked Immunosorbent Assay (ELISA) (1) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (1) Sample Type Blood (2) Serum or Plasma (2) (-) Urine (2) Test Area (-) Drugs of Abuse (2) Exposure (2) Therapeutics (6) Test Category Hallucinogens (2) Test Sub-Category (-) Other (2) Test Test Name 2540U LSD Trace Analysis, Urine 2541U LSD Screen, Urine