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) (1) Enzyme-Linked Immunosorbent Assay (ELISA) (1) Gas Chromatography/Mass Spectrometry (GC/MS) (2) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (4) Sample Type (-) Fluid (1) Serum or Plasma (1) Urine (4) Test Area Diagnostic Aids (1) Test Category Electrolytes (1) Test Sub-Category Small Molecule (1) Your search has returned no tests.