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) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (1) Sample Type Blood (1) (-) Fluid (1) (-) Plasma (1) Serum or Plasma (1) Urine (2) Test Area Therapeutics (2) Test Category (-) Anesthetics (2) Antidepressants (1) Biomarkers (1) Depressants (2) Electrolytes (1) Muscle Relaxants (1) Sedative/Hypnotics (1) Test Sub-Category Other (2) Test Test Name 0560P Benzocaine, Plasma 0800FL Bupivacaine, Fluid