Walnut IgG

The walnut tree pollen IgE test is a vital diagnostic tool used to identify allergies to walnut tree pollen by measuring specific IgE antibodies in the blood. These antibodies are crucial in triggering allergic reactions. The test is particularly important for individuals experiencing symptoms like sneezing, nasal congestion, runny nose, watery eyes, itchy throat, and wheezing during the pollen season, typically from April to June in the Northern Hemisphere. A blood sample is collected and analyzed using a quantitative immunoassay to determine IgE levels. Results are reported in kU/L, with levels below 0.10 kU/L indicating no sensitization, while higher levels suggest potential sensitization. The test can also include component-resolved diagnosis to distinguish between primary allergy and cross-reactivity. A positive result leads to a personalized management plan, including allergen avoidance, symptomatic treatment, and possibly allergen immunotherapy. This test is essential for improving the quality of life for those affected by walnut tree pollen allergies.

Price of test:£34

The lowest price from the last 30 days: £34

Awaiting result:

One day

Collect material:

Blood

Prepare:

Learn more

Purpose of the test

The walnut tree pollen IgE test is a diagnostic tool used to identify allergies to walnut tree pollen by measuring specific IgE antibodies in the blood. This test is essential for individuals experiencing symptoms like sneezing and itchy eyes during pollen season. Key points include:

- Purpose: Diagnose walnut tree pollen allergy.
- Procedure: Blood sample analyzed for IgE levels.
- Results Interpretation:
- Negative: <0.10 kU/L.
- Positive: >0.10 kU/L, further specialist evaluation needed.
- Management: Avoidance, symptomatic treatment, possible immunotherapy.
- Cross-Reactivity: Potential reactions with other plant allergens.

Who Should Get Tested

The walnut IgG test is crucial for identifying immunologic sensitization to walnuts. It involves:

- Sample Collection: Blood is drawn and serum separated for analysis.
- Laboratory Analysis: Techniques like ELISA detect walnut-specific IgG antibodies.
- Result Interpretation: Levels above 2.00 mcg/mL suggest sensitization.

Clinical significance includes:

- Sensitization vs. Allergy: IgG indicates sensitization, not necessarily an allergy.
- Cross-Reactivity: Possible with other nuts, leading to false positives.
- Diagnostic Utility: Used with other tests for comprehensive diagnosis.

Understanding these results aids in managing potential walnut allergies effectively.

Blood Test Preparation Guidelines

Time of day

It is recommended to schedule your appointment for blood tests in the morning hours between 7:00-10:00.

Fasting

It is recommended to fast for approximately 12 hours before blood sampling. The last meal of the previous day should ideally be consumed around 6:00 p.m. On the day before the test, avoid heavy and fatty meals as well as alcohol.

Stay hydrated

Drinking water prior to testing can help with sample collection.

Other factors

Tests should not be performed after a sleepless night or intense physical activity. It is recommended to avoid exercise and stress immediately before blood collection and to not smoke. A short rest is recommended.

Medications and supplements:

Blood samples should be collected before the morning dose. Some drugs can interfere with test results. Consult with your doctor whether you can delay your dose because of lab tests.

Biotin supplements:

High doses of biotin supplements can affect test results, causing false elevation or reduction. It's recommended to avoid taking biotin for at least 72 hours before blood collection. If you are taking biotin, inform the personnel collecting the blood so that they can provide specific instructions.

Interpreting Test Results

Understanding test results is crucial for managing walnut tree pollen allergies. Here's a concise guide:

- Negative Results: IgE levels below 0.10 kU/L suggest no sensitization.
- Positive Results: Levels between 0.10 and 0.34 kU/L require specialist interpretation. Higher levels may indicate increased sensitization.
- Component Resolved Diagnosis (CRD): Identifies specific allergen components, aiding in distinguishing primary allergies from cross-reactivity.

Understanding these results helps tailor management plans, including avoidance strategies, symptomatic treatments, and potential allergen immunotherapy, enhancing patient care and quality of life.

Price of test:£34

The lowest price from the last 30 days: £34

AI-Powered Insights and Expert Validation

Advanced AI Interpretation

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At the core of Diagu's AI system is an advanced language model, engineered to transform complex medical data into clear, comprehensible, and informative descriptions. This model is adept at articulating detailed test analyses in a way that is accessible to both healthcare professionals and patients. The model's development involved the meticulous processing of high-quality sources, including reputable medical websites, renowned medical textbooks, and peer-reviewed research papers. This ensures that the language used in test descriptions is not only accurate and informative but also up-to-date with the latest medical findings and trends. By leveraging this rich tapestry of trusted sources, our AI system provides a deeper understanding of each test, fostering informed decision-making and enhanced patient care.

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