Chocolate IgE

The Chocolate/Cacao IgG test is a laboratory examination that measures immunoglobulin G (IgG) antibodies specific to chocolate and cacao in a patient's serum. IgG antibodies are part of the immune system's response to allergens, and their presence can indicate sensitization. This test is used in clinical settings to help diagnose and manage food-related complaints, particularly those involving chocolate and cacao. It is part of a broader diagnostic approach, often including dietary elimination and challenge protocols, to assess allergic reactions.

The test involves collecting a blood sample, with serum as the preferred specimen type. The sample undergoes an enzyme immunoassay to measure IgG antibodies. Results are reported in micrograms per milliliter, with higher concentrations suggesting sensitization. However, the presence of IgG antibodies alone does not confirm a food allergy, and further diagnostic methods may be necessary. The test is available through various laboratories and is a useful tool for identifying potential allergens and guiding patient care.

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 Chocolate/Cacao IgG test measures IgG antibodies specific to chocolate and cacao in serum, aiding in diagnosing food-related complaints. Key points include:

- Clinical Utility: Helps identify potential allergens, not confirming allergies alone.
- Procedure: Involves serum collection, enzyme immunoassay for IgG measurement.
- Turnaround Time: Typically 3-7 business days.
- Specimen Stability: Serum stable for 48 hours at room temperature, 2 weeks refrigerated.
- Interpretation: Results in mcg/mL; higher values suggest sensitization.
- Clinical Considerations: Requires additional tests for allergy confirmation.

Who Should Get Tested

The Chocolate IgE test is essential for diagnosing allergies to cacao or cocoa. It identifies IgE antibodies, which trigger allergic reactions, using a Fluorescence Enzyme Immunoassay (FEIA) method. Key steps include:

- Sample Collection: Blood is drawn, and serum is separated.
- ImmunoCAP Assay: Serum reacts with cacao or cocoa allergens.
- Fluorescence Measurement: Indicates IgE levels.

Results are categorized from negative to extremely high, guiding diagnosis and treatment. Proper specimen handling ensures accuracy. This test aids in confirming allergies, crucial for managing allergic diseases effectively.

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 patient care. Here's a brief overview:

- Clinical Utility: Helps identify potential allergens, not confirm allergies.
- Procedure: Involves serum collection and enzyme immunoassay.
- Turnaround Time: Typically 3-7 business days.
- Specimen Stability: Serum stable for 48 hours at room temp, 2 weeks refrigerated.
- Interpretation: Results in mcg/mL; higher values suggest sensitization.
- Clinical Considerations: IgG presence alone doesn't confirm allergies; further tests may be needed.
- Special Instructions: Consistent assay methods are crucial for monitoring.

Price of test:£34

The lowest price from the last 30 days: £34

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