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HelpTest Code TRNUT Tree Nut Allergen Panel
Useful For
Assess risk for systemic allergic reactions. Identify cross-reactivity. Optimize diagnosis and management.
Specimen Requirements
Collection Container/Tube:
Preferred: Serum
Acceptable: Red top
Submission Container/Tube: Plastic vial
Specimen Volume: 2mL preferred, 1.5mL minimum
Collection Instructions: Centrifuge within 2 hours and aliquot serum into a plastic vial.
Specimen Stability
| Specimen Type | Temperature | Time |
|---|---|---|
| Serum | Refrigerated (preferred) |
7 days |
| Frozen | 90 days |
Avoid multple freeze/thaw cycles.
Panel Components and Reflexes
| ALM | Almond, IgE | Almond, IgE |
| BRAZIL | Brazil N, IgE w/Rflx | Brazil Nut, IgE with Reflex to Components, IgE |
| CASHRR | Cashew, IgE w/Rflx | Cashew Nut, IgE w/ Reflex to Components, IgE |
| HAZEL | Hazelnut, IgE w/Rflx | Hazelnut, IgE with Reflex to Components, IgE |
| PEC | Pecan Nut, IgE | Pecan Nut, IgE |
| NPIST | Pistachio, IgE | Pistachio, IgE |
| WALNT | Walnut, IgE w/ Reflex | Walnut Juglens, IgE w/ Reflex to Components, IgE |
Reference Values
< 0.10 kUa/l = Negative
Please see Interpretation Guide for additional information.
Method
ImmunoCAP® Fluorescence Enzyme Immunoassay (FEIA)
CPT
86003x7
Performing Laboratory
MaineGeneral Medical Center