If you have more than one test - add them one by one. Please select an item from the autocomplete list Max stores per result: Any 1 2 3 4 5 6 7 Verbose: See search details (0.0 seconds, 5 steps, 4 combinations ) Switch to Quest lab tests (similar) Laboratory tests search details Histamine Determination, Plasma (test) (remove) Stores: Walk-In Lab LabCorp test: 144600 (LabCorp) Components: Histamine, Plasma Glucose, Serum (component) (remove) Stores: Walk-In Lab Components: Glucose, Serum Interpretation: (component) (remove) Stores: LifeExtension Components: Interpretation: No results found