Brazil Nut Component rBer e 1
Use
This test is used to measure specific IgE antibodies to Brazil nut component rBer e 1 using the ImmunoCAP FEIA method. It is significant in diagnosing allergies to Brazil nuts, which can be a common allergen causing immediate allergic reactions. Measurement of specific IgE levels helps in assessing the sensitization to the allergen and aids in the diagnosis and management of allergic diseases such as asthma, rhinitis, and anaphylaxis. Accurate identification of specific allergens can guide dietary and environmental management strategies to improve patient outcomes.
Special Instructions
Specimens should be collected from patients who exhibit symptoms consistent with Brazil nut allergies or for whom a peanut/nut allergy is suspected. Clinicians should be aware of potential cross-reactivity with other nut components. The test is not suitable for screening purposes in asymptomatic individuals without prior allergic symptoms.
Limitations
The test is limited to detecting specific IgE antibodies against the Brazil nut component rBer e 1. False positive or negative results may occur due to cross-reactivity with other nut allergens. It is not reliable for assessing non-IgE mediated allergic reactions. Clinical interpretation should be conducted in conjunction with patient history and clinical findings. Test results should not be used as the sole basis for diagnosis or exclusion of an allergy and should be considered with other diagnostic information and clinical history.
New York Approved
Methodology
Immunoassay (FEIA)
Biomarkers
LOINC Codes
- 64963-2
- 64963-2
- 103065-9
Result Turnaround Time
3-6 days
Related Documents
For more information, please review the documents below
Specimen
Serum
Volume
0.5 mL
Minimum Volume
0.5 mL
Container
Red or SST
Collection Instructions
Draw blood in a plain red-top tube(s) or serum gel tube. Spin down and send 0.5 mL of serum refrigerated in a plastic vial.
Causes for Rejection
Gross hemolysis or gross lipemia. Specimens that have thawed at warm or cold temperatures are acceptable.
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | 28 days |
| Refrigerated | 28 days |
| Frozen | 365 days |