Lobster IgG

The Lobster IgG test is a diagnostic tool designed to measure IgG antibodies specific to lobster in a patient's serum, aiding in the diagnosis and management of seafood allergies. IgG antibodies are crucial for long-term immunity, and their presence can indicate sensitization to lobster allergens. However, the clinical utility of food-specific IgG tests, including the Lobster IgG test, remains under scrutiny, and they are typically recommended in specific clinical scenarios involving diet elimination and challenge. The test involves collecting a blood sample, separating the serum, and analyzing it using an enzyme immunoassay. Results are expressed in micrograms per milliliter, but the presence of IgG antibodies alone does not confirm an allergy. The test should be ordered by knowledgeable healthcare providers and used alongside other diagnostic methods, such as skin prick tests or oral food challenges, to ensure accurate allergy diagnosis and management. Caution is advised due to its unestablished clinical utility and lack of FDA approval.

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 Lobster IgG test measures IgG antibodies specific to lobster in serum, aiding in diagnosing seafood allergies. Key points include:

- Purpose: Assists in diagnosing and managing seafood allergies, used with other methods.
- Clinical Utility: Indicates exposure, not necessarily an active allergy.
- Procedure: Involves blood sample collection, serum separation, and enzyme immunoassay analysis.
- Specimen Requirements: Needs 0.5 mL serum, stored refrigerated or frozen.
- Turnaround Time: 2-4 business days.
- Interpretation: Results in mcg/mL; presence of IgG doesn't confirm allergy.
- Considerations: Not FDA-approved; use with caution.

Who Should Get Tested

The Lobster IgG test is a diagnostic tool for assessing IgG antibodies specific to lobster in a patient's serum. It aids in diagnosing and managing seafood allergies, though its clinical utility is not fully established. Key points include:

- Purpose: Helps confirm allergies and monitor treatment.
- Procedure: Involves collecting a blood sample, separating serum, and using enzyme immunoassay.
- Specimen Requirements: Needs 0.5 mL of serum, refrigerated or frozen.
- Turnaround Time: 2-4 business days.
- Interpretation: Results in mcg/mL; presence of IgG doesn't confirm an allergy.

Healthcare providers should use this test judiciously.

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 diagnosis and management of food allergies. The Lobster IgG test measures IgG antibodies specific to lobster, providing insights into potential sensitization. However, interpreting these results requires caution:

- Presence of IgG antibodies: Indicates exposure, not necessarily an active allergy.
- Quantitative results: Expressed in mcg/mL, with values below 2.0 mcg/mL suggesting undetectable levels.
- Complementary tests: Skin prick tests or oral challenges may be needed for confirmation.

Healthcare providers should use this test judiciously, considering its limitations and clinical context.

Price of test:£39

The lowest price from the last 30 days: £39

AI-Powered Insights and Expert Validation

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