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Allergen, Food, Nut Components Panel, IgE
Ordering Recommendation
New York DOH Approval Status
Specimen Required
Multiple patient encounters should be avoided.
Serum separator tube.
Separate serum from cells ASAP or within 2 hours of collection. Transfer 2.0 mL serum to an ARUP standard transport tube. (Min: 1.0 mL). For multiple allergen orders refer to "Allergen Specimen Collection Instructions" at www.aruplab.com/testing/resources/specimen.
Refrigerated.
Postmortem samples
After separation from cells: Ambient: 48 hours; Refrigerated: 2 weeks; Frozen: 1 month
Methodology
Quantitative ImmunoCAP Fluorescent Enzyme Immunoassay
Performed
Sun-Sat
Reported
1-3 days
Reference Interval
| Test Number |
Components |
Reference Interval |
|---|---|---|
| Allergen,Hazelnut Component, Cor a14,IgE | Less than or equal to 0.09 kU/L | |
| Allergen,Hazelnut Component, Cor a9, IgE | Less than or equal to 0.09 kU/L | |
| Allergen,Hazelnut Component, Cor a8, IgE | Less than or equal to 0.09 kU/L | |
| Allergen,Hazelnut Component, Cor a1, IgE | Less than or equal to 0.09 kU/L | |
| Allergen, Walnut rJug r 1 | Less than or equal to 0.09 kU/L | |
| Allergen, Cashew Component, rAna o 3 | Less than or equal to 0.09 kU/L |
Interpretive Data
Allergen results of 0.10-0.34 kU/L are intended for specialist use as the clinical relevance is undetermined. Even though increasing ranges are reflective of increasing concentrations of allergen-specific IgE, these concentrations may not correlate with the degree of clinical response or skin testing results when challenged with a specific allergen. The correlation of allergy laboratory results with clinical history and in vivo reactivity to specific allergens is essential. A negative test may not rule out clinical allergy or even anaphylaxis.
| Reporting Range (reported in kU/L) | Probability of IgE Mediated Clinical Reaction | Class Scoring |
|---|---|---|
| Less than 0.10 | No significant level detected | 0 |
| 0.10-0.34 | Clinical relevance undetermined | 0/1 |
| 0.35-0.70 | Low | 1 |
| 0.71-3.50 | Moderate | 2 |
| 3.51-17.50 | High | 3 |
| 17.51-50.00 | Very High | 4 |
| 50.01-100.00 | Very High | 5 |
| Greater than 100.00 | Very High | 6 |
FDA
Note
Hotline History
Hotline History
CPT Codes
86008 x6
Components
| Component Test Code* | Component Chart Name | LOINC |
|---|---|---|
| 3018568 | Allergen, Cashew Component, rAna o 3 | 82539-8 |
| 3018575 | Allergen, Walnut rJug r 1 | 81790-8 |
| 3018634 | Allergen,Hazelnut Component, Cor a1, IgE | 69421-6 |
| 3018635 | Allergen,Hazelnut Component, Cor a8, IgE | 58753-5 |
| 3018636 | Allergen,Hazelnut Component, Cor a9, IgE | 65765-0 |
| 3018637 | Allergen,Hazelnut Component, Cor a14,IgE | 81788-2 |
