Synonym/Acronym:
allergen profile, allergen specific immunoglobulin E (IgE).
Rationale
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: Fluorescence enzyme immunoassay (FEIA).
| Interpretation | Conventional and SI Units Allergen-Specific IgE |
|---|---|
| Specific IgE Allergen Antibody Level | kU/L |
| Negative | Less than 0.1 |
| Borderline | 0.1–0.34 |
| Equivocal | 0.35–0.69 |
| Positive | 0.7–3.49 |
| Positive | 3.5–17.4 |
| Strongly positive | 17.5–49.9 |
| Strongly positive | 50–99.9 |
| Strongly positive | Greater than or equal to 100 |
| Nasal Smear | |
| Less than 10% to 15% eosinophils is considered normal |
Critical Findings and Potential Interventions
N/A
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