Lima bean IgE

The Lima bean IgE test is a specialized diagnostic tool designed to identify allergen-specific IgE antibodies in the blood, focusing on Lima bean allergens. Utilizing the ImmunoCAP FEIA method, this test is highly sensitive and specific, providing accurate detection of IgE antibodies. A serum specimen, collected in a red-top or serum gel tube, is required, with a minimum volume of 0.5 mL. Proper handling and storage are crucial, with refrigeration preferred for up to two weeks to maintain specimen integrity. Results are categorized based on IgE concentration, ranging from negative to very high positive, aiding in the diagnosis of Lima bean allergies. The test is particularly useful for patients exhibiting allergic symptoms such as hives, itching, or anaphylaxis after consuming Lima beans. Turnaround time is typically 1-3 days. Clinicians must interpret results alongside clinical history and examinations, as IgE levels do not always correlate with clinical responses.

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 Lima bean IgE test is a diagnostic tool for detecting allergen-specific IgE antibodies in the blood, crucial for managing allergies related to Lima beans. Key points include:

- Methodology: Utilizes ImmunoCAP FEIA for sensitive and specific detection.
- Specimen Requirements: Needs 0.5 mL serum, avoiding hemolyzed samples.
- Handling and Storage: Refrigeration preferred; frozen storage up to a year.
- Interpretation: Results range from negative to very high positive.
- Clinical Utility: Assists in diagnosing allergic responses, correlating with symptoms.
- Turnaround Time: Typically 1-3 days.
- Special Considerations: IgE levels may not always correlate with symptoms.

Who Should Get Tested

The Lima bean IgE test is essential for diagnosing allergies in patients with symptoms after consuming Lima beans. It uses the ImmunoCAP FEIA method, which is sensitive and specific, to detect allergen-specific IgE antibodies in the blood. Key points include:

- Specimen Requirements: 0.5 mL serum in a red-top or serum gel tube.
- Storage: Refrigerate for up to two weeks; frozen storage is viable for a year.
- Interpretation: Results range from negative to very high positive, indicating varying levels of allergic response.

Clinicians must correlate results with patient history for accurate diagnosis and management.

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 allergy management. The Lima bean IgE test measures allergen-specific IgE antibodies in the blood, providing insights into potential allergic reactions. Here's how to interpret the results:

- Negative: < 0.10 kU/L
- Equivocal/Borderline: 0.10 - 0.34 kU/L
- Low Positive: 0.35 - 0.69 kU/L
- Moderate Positive: 0.70 - 3.49 kU/L
- High Positive: 3.50 - 17.49 kU/L
- Very High Positive: ≥ 17.50 kU/L

Clinicians should correlate these results with patient history and symptoms for accurate diagnosis and treatment.

Price of test:£39

The lowest price from the last 30 days: £39

AI-Powered Insights and Expert Validation

Advanced AI Interpretation

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