Biotek is a blood test that can identify possible food allergy and intolerance. Food specific IgA and IgG have been utilized in research settings as a tool for a guided elimination diet in patients with food-related complaints. IgA and IgG antibodies are indicators of antigen exposure and are not directly indicative of allergic disease. IgE antibodies are indicators of allergic disease, and Biotek’s standard, curve based method for our semi-quantitative allergen-specific IgE ELISA & quantitative chem illuminescence follows World Health Organization standards. These standards increase immunoassay sensitivity again a broad range of allergen concentrations, allowing for the detection of minute levels of IgE antibodies in a serum specimen for accurate assay performance. This respect for global standards and attention to detail guarantees the highest quality antibody testing for patients.