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/Mass Spectrometry (GC/MS) (1) Sample Type (-) Blood (1) Fluid (1) Serum or Plasma (2) Urine (3) Test Area (-) Diagnostic Aids (1) Test Category Alcohols (1) Anticoagulants (1) Antithrombotics (1) (-) Biomarkers (1) Metals/Elements (9) Pesticides/Insecticides (2) Solvents (1) Volatiles (6) Test Sub-Category Small Molecule (1) Test Test Name 0420B Betahydroxybutyric Acid, Blood