Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Gas Chromatography (GC) (2) (-) Gas Chromatography/Mass Spectrometry (GC/MS) (1) Headspace Gas Chromatography (GC) (2) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (1) Inductively Coupled Plasma/Mass Spectrometry (ICP/MS) (4) Inductively Coupled Plasma/Optical Emission Spectrometry (ICP/OES) (1) Sample Type (-) Blood (1) Fluid (1) Serum or Plasma (1) Urine (2) Test Area (-) Diagnostic Aids (1) Drugs of Abuse (1) Therapeutics (2) Test Category Biomarkers (1) Test Sub-Category Small Molecule (1) Test Test Name 0420B Betahydroxybutyric Acid, Blood