Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Enzyme-Linked Immunosorbent Assay (ELISA) (3) Enzyme Immunoassay (EIA) (1) Gas Chromatography (GC) (3) (-) Gas Chromatography/Mass Spectrometry (GC/MS) (2) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (41) High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS) (5) Sample Type Plasma (1) Urine (1) Test Area Exposure (5) (-) Therapeutics (2) Test Category Anesthetics (2) Test Sub-Category Barbiturates (8) (-) Other (2) Serotonin-Norepinephrine Reuptake Inhibitors (SNRI) (3) Test Test Name 0560P Benzocaine, Plasma 0560U Benzocaine, Urine