Egg yolk IgE

The Egg Yolk IgE test is a vital diagnostic tool designed to detect specific IgE antibodies in individuals suspected of having an egg yolk allergy. This test is essential for confirming an allergy diagnosis and identifying the allergen responsible for allergic reactions, which can range from mild symptoms like hives to severe reactions such as anaphylaxis. Utilizing the Fluorescence Enzyme Immunoassay (FEIA) method, the test measures the binding of IgE antibodies in the patient's serum to egg yolk allergens. The results are quantified to determine the level of sensitivity, aiding in the diagnosis and management of egg yolk allergies. Serum is the preferred specimen, and results are typically available within 1-2 business days. The Egg Yolk IgE test is a reliable method for healthcare providers to establish a diagnosis, guide treatment decisions, and ensure appropriate patient care, especially in individuals predisposed to allergic diseases.

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 Egg Yolk IgE test is essential for diagnosing egg yolk allergies by detecting specific IgE antibodies in serum. It confirms sensitization and guides treatment decisions. Key points include:

- Purpose: Identifies immune response to egg yolk, confirming allergies.
- Method: Uses Fluorescence Enzyme Immunoassay (FEIA) with ImmunoCAPs.
- Specimen: Requires serum, preferably in a serum gel tube.
- Stability: Serum should be refrigerated or frozen for up to 90 days.
- Interpretation: Quantitative scoring classifies IgE levels from negative to very high positive.
- Clinical Significance: Helps manage allergies, especially in children.

Who Should Get Tested

The Egg Yolk IgE test is essential for diagnosing egg yolk allergies. It identifies specific IgE antibodies in individuals with suspected allergies, helping confirm sensitization before treatment. Key points include:

- Purpose: Detects immune response to egg yolk, indicating potential allergic reactions.
- Methodology: Uses Fluorescence Enzyme Immunoassay (FEIA) with ImmunoCAPs.
- Specimen: Requires serum, preferably in a serum gel tube.
- Stability: Serum should be refrigerated or frozen for up to 90 days.
- Interpretation: Results are classified from Class 0 (negative) to Class 6 (very high positive).

This test aids in allergy management and treatment planning.

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 egg yolk allergies. The Egg Yolk IgE test measures specific IgE antibodies in the serum, indicating sensitivity levels. Results are classified into several classes:

- Class 0: Negative
- Class 0/1: Equivocal/Borderline
- Class 1: Low Positive
- Class 2: Moderate Positive
- Class 3: High Positive
- Class 4-6: Very High Positive

A positive result suggests an increased likelihood of an allergic reaction. However, clinical context and patient history are crucial for accurate interpretation. This test aids in diagnosing and guiding treatment for egg yolk allergies.

Price of test:£39

The lowest price from the last 30 days: £39

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