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 (4) (-) Fluid (2) Serum or Plasma (5) Tissue (1) Urine (2) Test Area Therapeutics (2) Test Category (-) Anesthetics (1) Antianxiety (1) Antiepileptics/Antiseizures (1) (-) Antihypertensives (1) Metals/Elements (1) Mood Stabilizers (1) Test Sub-Category Antiarrhythmics (1) Beta Blockers (1) Test Test Name 2488FL Labetalol, Fluid 2512FL Lidocaine and Metabolite (MEGX), Fluid