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 (1) Blood (29) Fluid (7) (-) Plasma (1) RBCs (1) Serum or Plasma (32) Tissue (6) Urine (22) Test Area Therapeutics (1) Test Category Anesthetics (1) Test Sub-Category (-) Other (1) Test Test Name 0560P Benzocaine, Plasma