Lime IgG

The Lyme IgG test is a serologic assay used to detect immunoglobulin G (IgG) antibodies against Borrelia burgdorferi, the bacterium causing Lyme disease. It is part of a two-step testing process recommended by the CDC for diagnosing Lyme disease. The test's primary purpose is to identify whether a patient has developed IgG antibodies in response to the infection, which can persist long after the initial exposure. The procedure involves collecting a blood sample, separating the serum, and using an enzyme immunoassay (EIA) to detect antibodies. The test results are interpreted based on optical density values, with positive results indicating exposure to the bacterium. However, false positives and negatives can occur, necessitating careful interpretation alongside clinical symptoms and exposure history. The Lyme IgG test is essential for diagnosing Lyme disease, especially in patients with prolonged infection, and is part of a broader diagnostic strategy that includes clinical evaluation and additional laboratory tests.

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 Lyme IgG test is a serologic assay used to detect IgG antibodies against Borrelia burgdorferi, aiding in Lyme disease diagnosis. Key points include:

- Purpose: Identifies IgG antibodies indicating past infection.
- Procedure: Involves enzyme immunoassay with steps like sample collection, antigen coating, and photometric measurement.
- Interpretation: Positive results suggest exposure; must be considered with clinical symptoms.
- Limitations: Potential for false positives/negatives; requires clinical correlation.
- Special Considerations: Modified two-tiered testing and additional tests for neuroinvasive Lyme disease.

This test is vital for comprehensive Lyme disease diagnosis.

Who Should Get Tested

The Lyme IgG test is essential for diagnosing Lyme disease by detecting IgG antibodies against Borrelia burgdorferi. It is particularly useful for patients with prolonged infection. The test procedure involves:

- Sample Collection: Blood is drawn and stored appropriately.
- Preparation: Serum is separated and diluted.
- Antigen Coating: Wells are coated with antigens.
- Incubation: Serum binds to antigens.
- Washing: Removes unbound components.
- Conjugate Addition: Detects bound antibodies.
- Measurement: Color change indicates antibody presence.

Results must be interpreted with clinical context, considering potential false positives/negatives.

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 treatment. The Lyme IgG test detects IgG antibodies against Borrelia burgdorferi, indicating exposure to the bacterium responsible for Lyme disease. Key points include:

- Positive Result: Suggests past exposure and immune response.
- False Positives: Possible with conditions like syphilis or rheumatoid arthritis.
- False Negatives: May occur if tested too soon after infection.
- Clinical Correlation: Results should align with symptoms and exposure history.
- Repeat Testing: Consider if initial results are unclear.

This test is part of a broader diagnostic strategy.

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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Language Model and Trusted Sources

At the core of Diagu's AI system is an advanced language model, engineered to transform complex medical data into clear, comprehensible, and informative descriptions. This model is adept at articulating detailed test analyses in a way that is accessible to both healthcare professionals and patients. The model's development involved the meticulous processing of high-quality sources, including reputable medical websites, renowned medical textbooks, and peer-reviewed research papers. This ensures that the language used in test descriptions is not only accurate and informative but also up-to-date with the latest medical findings and trends. By leveraging this rich tapestry of trusted sources, our AI system provides a deeper understanding of each test, fostering informed decision-making and enhanced patient care.

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