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) Sample Type 24 Hour Urine (1) Blood (37) Fluid (2) Hair (6) Nails (5) Plasma (1) RBCs (5) Serum or Plasma (36) (-) Tissue (1) Urine (27) Test Area Test Category Test Sub-Category Test Test Name 2512TI Lidocaine and Metabolite (MEGX), Tissue