Understanding food allergies and sensitivities can be a confusing process for parents. The hard work of managing and avoiding problem foods can yield great rewards. Exposure to allergens, even in the smallest quantities, can wreak havoc with your child. Both food allergies and intolerances can hinder health. IgE and IgG food allergy tests will help you determine your child's food allergies. Immunoglobulin E (IgE) tests are usually always covered by your insurance. Immunoglobulin G (IgG) tests are sometimes covered. You can also run food allergy trials with these free templates.