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) Sample Type Fluid (1) Urine (1) Test Area Diagnostic Aids (2) Test Category Biomarkers (4) (-) Electrolytes (2) Test Sub-Category Benzodiazepines (11) (-) Small Molecule (2) Test Test Name 0645FL Bicarbonate, Fluid 0645U Bicarbonate, Urine