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Red kidney bean IgE

Red kidney bean IgE

The Rubella IgM test is a vital laboratory procedure used to diagnose acute or recent rubella infections by detecting Immunoglobulin M (IgM) antibodies specific to the rubella virus. This test is particularly crucial for pregnant women, as rubella infection during pregnancy can lead to congenital rubella syndrome, causing severe birth defects. The test involves collecting a blood sample, isolating the serum, and using chemiluminescent or electrochemiluminescence immunoassays to detect IgM antibodies. A positive result indicates a current or recent infection, while a negative result suggests no current infection, though it doesn't entirely rule out recent exposure. The test is used for diagnosing rubella, prenatal screening, assessing immunity, and differentiating between primary infection and re-exposure. Despite its high specificity and sensitivity, limitations include variable detection windows and potential false positives. The Rubella IgM test is essential for effective diagnosis and management of rubella infections, especially in clinical settings involving pregnant women.

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

Rubella IgM testing is a vital laboratory procedure for diagnosing acute or recent rubella infections by detecting specific IgM antibodies. This test is crucial, especially for pregnant women, to prevent congenital rubella syndrome. Here's a brief overview:

- Purpose: Diagnoses acute rubella, crucial for pregnant women to prevent severe birth defects.
- Procedure: Blood sample collection, serum isolation, and testing via CLIA or ECLIA.
- Antibodies:
- IgM: Indicates current/recent infection, detectable within days.
- IgG: Indicates past infection/immunity.
- Results:
- Positive: Current/recent infection.
- Negative: No current infection.
- Equivocal: Borderline, may need retesting.
- Limitations: Detection window, false positives, persistent antibodies.

Who Should Get Tested

The Red Kidney Bean IgE test is essential for diagnosing allergies to red kidney beans. It identifies specific IgE antibodies in the serum, indicating an allergic reaction. Key points include:

- Methodology: Uses ImmunoCAP FEIA to detect IgE antibodies.
- Specimen Requirements: Needs 0.2 mL serum, stored properly.
- Result Interpretation: Quantitative scoring from Class 0 (Negative) to Class 6 (Very High Positive).
- Clinical Manifestations: Reactions include hypersensitivity due to proinflammatory mediators.
- Cross-Reactivity: Possible with other legumes, but limited evidence.
- Practical Considerations: Results in 1-2 days; not FDA-approved but CLIA-compliant.

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 accurate diagnosis and management of rubella infections. The Rubella IgM test detects IgM antibodies, indicating a current or recent infection. Here's how to interpret the results:

- Positive Result: Indicates a current or recent rubella infection.
- Negative Result: Suggests no current infection, but recent infection can't be ruled out.
- Equivocal Result: Borderline levels; repeat testing may be needed.

Clinical use includes diagnosing infections, prenatal screening, and assessing immunity. Limitations include detection window variability and potential false positives. Proper specimen handling ensures reliable results.

Price of test:£34

The lowest price from the last 30 days: £34

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