Food allergies and adverse reactions result in effects that range from mild symptoms to severe. Skin tests, elimination or challenge and blood tests are available for allergy testing. The antibody test, known as the ELISA, tests for a wide range of food allergies at one time.
The ELISA tests for IgG antibodies that correlate to specific food allergies. This is designed to identify allergies, so exposure can be limited. This test is controversial and there is disagreement about the antibodies and accurate prediction of allergies. The validity and reliability of testing varies and there is no standard.
Each lab often creates their own tests and because the test is highly sensitive there can be false positives. Due to these limitations, the reaction to the allergen holds more weight than the test result. There are quality control measures that help to significantly reduce false positives to ensure consistent results.
We use as system that involves sourcing high quality components for the test, positive and negative controls and strict quality control standards. In addition, we select the most reliable tests, split samples and repeat testing to ensure accuracy. Please contact us for more information or to schedule a food allergy appointment.
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