Pecan nut IgE

The Pecan Nut IgE blood test is a diagnostic tool designed to identify allergies to pecan nuts by measuring Immunoglobulin E (IgE) antibodies in the blood. These antibodies are crucial in triggering allergic reactions when the immune system mistakenly identifies pecan nut proteins as threats. The test involves a simple blood draw, with the sample analyzed in a lab using a fluorescent enzyme immunoassay (FEIA) method. Results are reported in kilo-units per liter (kU/L), with values above a certain threshold suggesting a potential allergy. However, a positive result only indicates the presence of IgE antibodies and must be interpreted alongside clinical symptoms for a definitive diagnosis. A confirmed pecan nut allergy necessitates avoiding pecans and related products to prevent severe reactions. While valuable, the test has limitations, such as potential cross-reactivity with other allergens. Proper specimen handling and timely processing are essential for accurate results, typically available within 2 to 4 days.

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 Pecan Nut IgE blood test is a diagnostic tool for identifying pecan nut allergies by measuring IgE antibodies in the blood. Key points include:

- Purpose: Diagnose pecan nut allergy by detecting IgE antibodies.
- Procedure: Blood draw, serum isolation, and FEIA method for analysis.
- Results Interpretation: Values above 0.35 kU/L suggest potential allergy.
- Clinical Significance: Positive results necessitate avoiding pecan nuts.
- Limitations: Possible false positives due to cross-reactivity.
- Specimen Handling: Proper preparation and refrigeration are crucial.
- Turnaround: Results typically available in 2-4 days.

Who Should Get Tested

The Pecan Nut IgE blood test is crucial for diagnosing pecan nut allergies. It measures IgE antibodies, which trigger allergic reactions. Here's who should consider testing:

- Individuals with suspected pecan nut allergies.
- Those experiencing allergic symptoms after consuming pecans.
- People with a family history of nut allergies.

The test involves a simple blood draw, analyzed to detect IgE levels. Results guide healthcare providers in managing allergies, though they must be interpreted alongside clinical symptoms. Proper specimen handling ensures accuracy.

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 pecan nut allergies effectively. Here's a brief guide:

- Numerical Value: Results are expressed in kilo-units per liter (kU/L).
- Threshold: A result above 0.35 kU/L suggests potential allergy.
- Interpretation: A positive result indicates IgE antibodies but doesn't confirm an allergy alone.
- Clinical Context: Combine results with symptoms and other tests for accurate diagnosis.
- False Positives: Be aware of cross-reactivity with similar allergens like walnuts.
- Consult Healthcare Provider: Always discuss results with a professional for comprehensive understanding.

Price of test:£39

The lowest price from the last 30 days: £39

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