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) Fluid (1) (-) Serum or Plasma (1) Urine (1) Test Area Therapeutics (2) Test Category Antianxiety (2) Test Sub-Category Amphetamines (2) Antiarrhythmics (5) Antiparasitics (2) (-) Benzodiazepines (2) Beta Blockers (2) Insecticides (2) Metals/Elements (2) Other (27) Parkinsons (1) Toxic Elements (2) Test Test Name 2535B Lorazepam, Blood 2535SP Lorazepam, Serum/Plasma