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) (-) Gas Chromatography (GC) (1) Sample Type Blood (2) Serum or Plasma (2) (-) Urine (2) Test Area Diagnostic Aids (1) Therapeutics (1) Test Category (-) Antihistamines (1) (-) Biomarkers (1) Electrolytes (1) Sedative/Hypnotics (1) Volatiles (2) Test Sub-Category Other (1) Small Molecule (1) Test Test Name 0642U Betahydroxybutyric Acid, Urine 0770U Brompheniramine, Urine