Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Gas Chromatography (GC) (1) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (1) Sample Type Blood (3) (-) Fluid (2) Serum or Plasma (4) Tissue (1) Urine (2) Test Area (-) Therapeutics (2) Test Category Anesthetics (1) Antihypertensives (1) Test Sub-Category (-) Antiarrhythmics (1) Benzodiazepines (1) (-) Beta Blockers (1) Metals/Elements (1) Other (1) Test Test Name 2488FL Labetalol, Fluid 2512FL Lidocaine and Metabolite (MEGX), Fluid