Allergen-Specific Immunoglobulin E



Allergen profile, ImmunoCAP specific immunoglobulin E (IgE).


To assist in identifying environmental and occupational allergens responsible for causing allergic reactions.

Patient Preparation

There are no food, fluid, activity, or medication restrictions unless by medical direction.

Normal Findings

Method: Immunoassay or fluorescence enzyme immunoassay (FEIA).

Immunoassay and ImmunoCAP Scoring Guide (FEIA)Conventional and SI Units Allergen-Specific IgE
Specific IgE Allergen Antibody LevelkU/L
Absent or undetectable allergyLess than 0.35
Low allergy0.35–0.7
Moderate allergy0.71–3.5
High allergy3.51–17.5
Very high allergy17.6–50
Very high allergy51–100
Very high allergyGreater than 100

Critical Findings and Potential Interventions


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