Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Headspace Gas Chromatography (GC) (1) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (1) Sample Type Blood (3) (-) Fluid (1) Plasma (1) Serum or Plasma (1) (-) Tissue (1) Urine (5) Test Area Exposure (1) Therapeutics (1) Test Category (-) Anesthetics (1) Anticholinergics (1) Antidepressants (3) Biomarkers (1) Depressants (3) Electrolytes (1) Metals/Elements (1) Muscle Relaxants (2) Other (1) Sedative/Hypnotics (2) (-) Volatiles (1) Test Sub-Category Other (2) Test Test Name 0541TI Benzene, Tissue 0800FL Bupivacaine, Fluid