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 (96) Fluid (2) Hair (7) Meconium (1) Nails (5) Plasma (1) RBCs (5) Serum or Plasma (93) Stool (1) (-) Tissue (1) Urine (56) Test Area Test Category Test Sub-Category Test Test Name 2512TI Lidocaine and Metabolite (MEGX), Tissue