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 (2) (-) Fluid (2) Serum or Plasma (2) Urine (1) Test Area Therapeutics (2) Test Category Antianxiety (1) Antihypertensives (1) Test Sub-Category Antiarrhythmics (1) (-) Benzodiazepines (1) (-) Beta Blockers (1) Metals/Elements (1) Other (1) Toxic Elements (1) Test Test Name 2488FL Labetalol, Fluid 2535FL Lorazepam, Fluid