Pistachio Nut
Use
The Pistachio Nut test is used to determine the presence of specific IgE antibodies to pistachio nuts, which can be an indicator of an allergic response. This test is useful in diagnosing allergies in individuals presenting with symptoms such as urticaria, anaphylaxis, or angioedema upon exposure to pistachio nuts. Identification of specific allergens can aid in the management and treatment plan for allergic patients, enabling lifestyle adjustments or immunotherapy.
Special Instructions
The test uses the Thermo Fisher ImmunoCAP methodology to measure specific IgE levels. Ensure serum samples are collected following standard protocols. It is important to use the correct volume and container for accurate results.
Limitations
Results from the Pistachio Nut test must be interpreted in the context of the patient's clinical history. A positive test result indicates sensitization to pistachio nut proteins but does not always predict clinical allergy. Cross-reactivity with other nuts or foods may occur. False negatives or positives may be influenced by an individual's immune status or technical variabilities in sample handling.
Methodology
Immunoassay (ImmunoCAP)
Biomarkers
LOINC Codes
- 7613-3
- 7613-3
Result Turnaround Time
3-5 days
Related Documents
For more information, please review the documents below
Specimen
Serum
Volume
0.2 mL
Minimum Volume
Not provided
Container
Red-top tube or gel-barrier tube
Storage Instructions
Room temperature
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | 14 days |
| Refrigerated | 14 days |
| Frozen | 3 months |