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Allergy Testing Laboratory Services: Food Allergy Test

Lenco Diagnostic Laboratory offers a wide range of services to help diagnose and treat allergic and immunologic conditions. Our technicians are trained in performing and interpreting several diagnostic procedures, including allergy testing (both skin testing and laboratory testing of allergens), pulmonary function testing for asthma, food allergy testing, drug desensitization, allergen immunotherapy (allergy shots), and testing of the immune system.


In addition, our laboratory technicians possesses in-depth understanding of the management of several recurrent or chronic conditions, including allergic rhinitis, asthma, chronic cough, eczema, hives, angioedema, and acute and chronic sinusitis. On request, we can provide an explanation of our exact testing procedures.


Laboratory testing of allergens

Did You Know?


Immunoglobulin E (IgE) is a class of antibody that has only been found in mammals. It plays an important role in allergies.


If skin prick testing cannot be performed the next option is to perform testing of the patient’s blood. The blood is analyzed for levels of IgE specific to the allergen in question. For example, if you are allergic to peanuts then your blood could be measured for presence of IgE specific to peanut. Presence of IgE specific to peanut would indicate you are allergic to peanuts.


Food Allergy Testing


Testing for food allergies usually involves a combination of skin prick testing and laboratory testing of allergens. A food challenge in the office could be necessary to help diagnose food allergy as well. A food challenge involves eating the food in question up to a certain amount and observing for symptoms.


Testing of the immune system


Often a patient with recurrent or unusual infections needs to be evaluated for a disorder of their immune system. Common testing includes measurement of the different classes of antibodies made by our immunes system as well as specific antibodies made against previous infections or vaccinations. Further testing can be done to determine if various cells of the immune system are missing or are not functioning properly.