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Perrenial Rye Grass IgE

Perrenial Rye Grass IgE

The Perennial Rye Grass IgE test is a vital diagnostic tool designed to detect specific IgE antibodies in the blood, indicating an allergic reaction to perennial rye grass. This test is essential for diagnosing allergies and identifying the allergen responsible for symptoms such as respiratory issues, skin rashes, and potentially severe anaphylactic reactions. Utilizing the Fluorescent Enzyme Immunoassay (FEIA) method with ImmunoCAP technology, the test ensures high accuracy by binding the allergen to a solid phase and measuring the fluorescence intensity, which correlates with IgE levels. Results are classified from Class 0 (negative) to Class 6 (very high positive), aiding in the diagnosis and management of allergies. The test also plays a crucial role in confirming sensitization before starting immunotherapy, ensuring appropriate treatment. Despite its accuracy, the test has limitations, such as potential false positives in patients with high serum IgE levels. Typically, results are available within 1-2 business days, facilitating timely clinical decisions.

Price of test:£39

The lowest price from the last 30 days: £39

Awaiting result:

12 hours

Collect material:

Blood

Prepare:

Learn more

Purpose of the test

The Perennial Rye Grass IgE test is essential for diagnosing allergies to perennial rye grass by detecting specific IgE antibodies. It confirms sensitization before immunotherapy, ensuring effective treatment. The test uses the ImmunoCAP FEIA method, involving:

- Specimen Collection: Serum sample from SST or red-top tube.
- Specimen Preparation: Centrifuge and aliquot serum.
- Testing Procedure: Serum added to ImmunoCAP device.
- Detection: Enzyme-labeled anti-IgE antibody added.
- Measurement: Fluorescence intensity measured.

Results range from Class 0 (negative) to Class 6 (very high positive), aiding in diagnosis and treatment planning.

Who Should Get Tested

The Perennial Rye Grass IgE test is essential for individuals experiencing allergic symptoms potentially linked to perennial rye grass. Candidates for testing include those with:

- Respiratory issues, such as sneezing or wheezing.
- Skin reactions, like rashes or hives.
- History of severe allergic reactions, including anaphylaxis.

This test confirms sensitization, guiding treatment plans like immunotherapy. Using the ImmunoCAP FEIA method, it accurately detects specific IgE antibodies. Results range from Class 0 (negative) to Class 6 (very high positive), aiding in diagnosis and allergen identification. Despite its accuracy, results should be interpreted within the clinical context.

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 allergies effectively. The Perennial Rye Grass IgE test results are interpreted based on IgE antibody levels, classified from Class 0 (negative) to Class 6 (very high positive). Key points include:

- Class 0: <0.10 kU/L - Negative
- Class 1: 0.35-0.69 kU/L - Low Positive
- Class 3: 3.50-17.49 kU/L - High Positive

These results help confirm sensitization, guide treatment decisions, and assess the need for immunotherapy. Always consider results in the clinical context for accurate diagnosis and management.

Price of test:£39

The lowest price from the last 30 days: £39

AI-Powered Insights and Expert Validation

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