Grape IgG

The Grapefruit IgE test is a specialized diagnostic tool designed to identify allergies to grapefruit by measuring IgE antibodies in the serum. This test is essential for individuals who experience allergic reactions such as hives, itching, or difficulty breathing after consuming grapefruit. Utilizing a fluorescence enzyme immunoassay (FEIA) method, the test accurately detects specific IgE antibodies, aiding in pinpointing the allergen responsible for symptoms. A serum sample is required, with results categorized into classes based on IgE levels, ranging from negative to strongly positive. This classification helps healthcare providers assess the likelihood of an allergic disease and tailor treatment plans accordingly. Conducted by Mayo Clinic Laboratories, the test ensures reliable results, typically available within 1 to 3 days. While highly effective, the test's results should be interpreted in the clinical context, considering factors like patient history and exposure. Overall, the Grapefruit IgE test is vital for managing grapefruit allergies effectively.

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 Grapefruit IgE test is a vital diagnostic tool for identifying grapefruit allergies. It measures IgE antibodies to assess immune responses, aiding in diagnosis and treatment planning for symptoms like hives and breathing difficulties. Key aspects include:

- Methodology: Uses fluorescence enzyme immunoassay for accuracy.
- Specimen: Requires 0.3 mL serum, stored refrigerated or frozen.
- Interpretation: IgE levels classified from negative to strongly positive.
- Limitations: Not for post-immunotherapy assessment; false positives possible.
- Lab: Conducted by Mayo Clinic Laboratories, results in 1-3 days.

Who Should Get Tested

The Grape IgG test is a diagnostic tool used to identify potential sensitivities to grapes. It measures IgG antibodies in the blood, offering insights into immunologic sensitization rather than diagnosing a full-blown allergy. Key points include:

- Purpose: Identifies sensitivities to grape products.
- Procedure: Blood sample collected and refrigerated.
- Methodology: Uses enzyme immunoassay for analysis.
- Interpretation: Positive results suggest sensitization, not necessarily an allergy.
- Limitations: Should be interpreted with clinical symptoms.
- Turnaround: Results in 3-7 business days.
- Specimen Stability: Refrigerated for up to 28 days.

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 essential for managing grapefruit allergies effectively. The Grapefruit IgE test measures IgE antibodies in serum to identify allergic responses. Here's how to interpret the results:

- Class 0: <0.10 kU/L - Negative
- Class 0/1: 0.10-0.34 kU/L - Equivocal
- Class 1: 0.35-0.69 kU/L - Low Positive
- Class 2: 0.70-3.49 kU/L - Moderate Positive
- Class 3: 3.50-17.49 kU/L - High Positive
- Class 4: 17.50-49.99 kU/L - Very High Positive
- Class 5: 50.00-99.99 kU/L - Very High Positive
- Class 6: ≥100 kU/L - Strongly Positive

Higher classes indicate a stronger likelihood of allergic disease, guiding treatment plans.

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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Language Model and Trusted Sources

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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