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/Mass Spectrometry (GC/MS) (1) Sample Type 24 Hour Urine (5) Blood (35) Fluid (9) Hair (5) Liquid (3) Nails (3) (-) Plasma (1) RBCs (4) Serum or Plasma (39) Tissue (9) Urine (31) Test Area Therapeutics (1) Test Category Anesthetics (1) Test Sub-Category (-) Other (1) Test Test Name 0560P Benzocaine, Plasma