Summary
Percutaneous, combined percutaneous and intracutaneous, intracutaneous, patch, photo patch, photo, inhalation bronchial challenge, ingestion challenge, and gammaglobulin IgE tests are medically appropriate in the diagnosis of the allergic patient, with allergen-specific IgE medically appropriate only under specified circumstances. Allergen-specific IgG when the criteria are not met, the leukocyte histamine release test, ophthalmic and direct nasal mucous membrane tests, peanut allergen-specific ELISA testing, and cytotoxicity, provocative, and Rebuck skin window tests are investigational, and allergy testing for treatment programs such as tolerance induction programs is investigational. The July 16, 2026 update was an annual review with the policy intent unchanged.
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