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) Serum or Plasma (1) (-) Urine (2) Test Area (-) Diagnostic Aids (2) Drugs of Abuse (1) Exposure (5) Therapeutics (2) Test Category Biomarkers (1) Electrolytes (1) Test Sub-Category Small Molecule (2) Test Test Name 0642U Betahydroxybutyric Acid, Urine 0645U Bicarbonate, Urine