Use

Many allergies are mediated by immunoglobulins of the IgE class. In vitro allergen‑specific IgE tests can help the physician identify the allergen (or allergens) to which an individual is sensitive.  Reviewed by Quest Diagnostics doctoral directors; review date December 24, 2024.  Synonyms include RAST, Allergen testing, Allergy, specific IgE.

Not provided.