Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Enzymatic Assay (EZA) (2) Enzyme-Linked Immunosorbent Assay (ELISA) (1) Gas Chromatography (GC) (23) Gas Chromatography/Mass Spectrometry (GC/MS) (6) Headspace Gas Chromatography (GC) (8) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (75) High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS) (4) (-) Immunoassay (IA) (1) Inductively Coupled Plasma/Mass Spectrometry (ICP/MS) (17) (-) Inductively Coupled Plasma/Optical Emission Spectrometry (ICP/OES) (1) Ion Specific Electrode (ISE) (1) Sample Type Blood (1) Fluid (1) Hair (1) (-) Serum or Plasma (1) (-) Stool (1) Tissue (1) Test Area Exposure (1) Therapeutics (1) Test Category Anesthetics (1) Metals/Elements (1) Test Sub-Category Antiarrhythmics (1) Macrominerals (1) Test Test Name 2511SP Lidocaine, Serum/Plasma 2551ST Magnesium - Total, Stool