Crab IgE

The Crab IgG test is a specialized laboratory examination aimed at detecting IgG antibodies specific to crab allergens in a patient's serum. This test is instrumental in evaluating immunological sensitization to crab proteins, which is crucial for diagnosing and managing potential allergic reactions related to crab consumption. The test involves collecting a blood sample, processing it to obtain serum, and using Enzyme Immunoassay (FEIA) to measure IgG concentrations. While the presence of IgG antibodies does not confirm an allergy, it indicates sensitization, aiding in identifying potential allergens during dietary assessments. The test requires a minimum of 0.5 mL of serum, which can be stored under specific conditions to maintain stability. Results are interpreted based on IgG concentration, with values above 2.00 mcg/mL suggesting sensitization. The test is conducted in a CLIA-certified lab, ensuring quality and reliability, and results are typically available within 5 to 7 days, providing valuable insights for patient management.

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 Crab IgG test is a laboratory examination designed to measure IgG antibodies specific to crab allergens in a patient's serum. It helps assess immunological sensitization to crab proteins, aiding in diagnosing and managing allergic reactions. Key points include:

- Clinical Utility: Offers insights into immune response to crab allergens.
- Procedure: Involves blood sample collection and serum separation.
- Methodology: Utilizes Enzyme Immunoassay (FEIA) for measurement.
- Specimen Requirements: Requires 0.5 mL serum, stable for up to 28 days refrigerated.
- Interpretation: Values above 2.00 mcg/mL suggest sensitization.
- Turnaround Time: Results available in 2-3 business days.

Who Should Get Tested

The Crab IgE test is vital for diagnosing crab allergies, identifying specific allergens, and managing hypersensitivity reactions. Key scenarios for testing include:

- Diagnosis of Allergy: Confirms crab allergy for effective management.
- Immunotherapy Preparation: Ensures targeted treatment by confirming sensitization.
- Investigating Allergic Reactions: Assesses reactions to other allergens.

Using the Fluorescence Enzyme Immunoassay method, it requires a serum sample. Results classify IgE levels, guiding treatment. The test's quick turnaround aids timely diagnosis, crucial for managing severe reactions like anaphylaxis.

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 potential crab allergies. The Crab IgG test measures IgG antibodies specific to crab allergens, offering insights into immunological sensitization. Key points include:

- Clinical Utility: Helps identify sensitization, not definitive allergies.
- Procedure: Involves blood sample collection and serum separation.
- Methodology: Uses Enzyme Immunoassay for precise measurement.
- Specimen Stability: Serum stability is vital for accuracy.
- Interpretation: Values above 2.00 mcg/mL suggest sensitization.
- Special Instructions: Consider results with clinical symptoms.
- Turnaround Time: Results in 2-3 business days.
- Clinical Considerations: Useful in managing complex allergic conditions.

Price of test:£34

The lowest price from the last 30 days: £34

AI-Powered Insights and Expert Validation

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Language Model and Trusted Sources

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