Tuna IgE

The Tuna IgG test is a diagnostic tool designed to evaluate the immune system's response to tuna by measuring IgG antibody levels in the blood. IgG antibodies are crucial in the body's defense, particularly during secondary immune responses. This test is primarily used to identify individuals who may have developed an immune response to tuna, aiding in diagnosing food sensitivities or allergies. Clinically, it assists in confirming food-related immune reactions, guiding dietary elimination and challenge protocols, and pinpointing specific allergens. For patients with known tuna allergies or sensitivities, the test helps monitor treatment effectiveness and adjust management plans. A blood sample, collected via venipuncture, is required, with careful specimen preparation to ensure accuracy. Elevated IgG levels suggest an immune response, though not necessarily an allergy. The test's limitations include potential false positives or negatives and cross-reactivity with other fish proteins. Despite these, the Tuna IgG test remains a valuable tool in managing food-related immune responses.

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 Tuna IgG test evaluates the immune response to tuna by measuring IgG antibodies in the blood. It aids in diagnosing food sensitivities and allergies, particularly when symptoms suggest a reaction to tuna. Key clinical applications include:

- Diagnosis: Helps confirm food sensitivities and allergies.
- Dietary Management: Supports elimination and challenge protocols.
- Allergen Identification: Pinpoints specific allergens causing reactions.
- Monitoring: Assesses treatment effectiveness and adjusts management plans.

Blood samples are required, and results must be interpreted carefully, considering potential false positives and cross-reactivity.

Who Should Get Tested

The Tuna IgE blood test is essential for individuals who suspect a tuna allergy. It is particularly recommended for those experiencing symptoms such as:

- Hives
- Itching
- Swelling
- Stomach cramps
- Diarrhea
- Anaphylaxis

The test measures IgE antibodies in the blood, indicating an immune response to tuna. It aids in diagnosing allergies, assessing anaphylaxis risk, and guiding treatment plans. However, results should be interpreted alongside clinical evaluations to ensure accuracy and effective allergy management. Patient education on managing their condition is also crucial.

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 effective management of food sensitivities and allergies. The Tuna IgG test measures IgG antibodies to assess immune responses to tuna. Here's what to consider:

- Elevated IgG Levels: Suggest an immune response, but not necessarily an allergy. Could indicate sensitivity or intolerance.
- False Positives/Negatives: Possible due to cross-reactivity or low antibody levels.
- Cross-Reactivity: Other fish proteins might cause symptoms despite negative tuna results.
- Non-Specific Symptoms: Results should be evaluated alongside clinical symptoms.
- Patient Education: Understanding results aids in dietary management and avoiding allergens.

Price of test:£34

The lowest price from the last 30 days: £34

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