CMV IgG

The Cytomegalovirus (CMV) IgG test is an essential diagnostic tool used to detect past exposure to CMV, a virus in the herpes family. By measuring immunoglobulin G (IgG) antibodies in the blood, the test helps determine if an individual has developed immunity to CMV. This is particularly important for pregnant women, immunocompromised individuals, and organ transplant recipients, as CMV can cause significant health issues in these groups. The test involves drawing a blood sample, which is then analyzed in a laboratory for CMV-specific IgG antibodies. A positive result indicates past exposure, while a negative result suggests no prior infection, though it may not rule out a recent infection. Despite its usefulness, the CMV IgG test has limitations, such as potential cross-reactivity and the inability to detect early infections. Additional tests, like CMV IgM and PCR, may be needed to confirm active infections and provide a comprehensive diagnosis.

Price of test:£79

The lowest price from the last 30 days: £79

Awaiting result:

7 days

Collect material:

Blood

Prepare:

Learn more

Purpose of the test

The CMV IgG test is essential for diagnosing past or recent CMV infections. It measures IgG antibodies in the blood, indicating exposure to the virus. Key points include:

- Purpose: Identifies immunity, crucial for pregnant women, immunocompromised individuals, and transplant patients.
- Procedure: Blood sample analyzed for CMV-specific IgG antibodies.
- Results Interpretation:
- Positive: Indicates past exposure; potential virus transmission risk.
- Negative: Suggests no exposure or undetectable antibodies.
- Clinical Significance: Vital for managing risks in pregnancy, immune-compromised patients, and organ transplantation.
- Limitations: Early infection detection challenges; potential cross-reactivity.

Who Should Get Tested

The CMV IgG test is vital for diagnosing past CMV exposure. It measures IgG antibodies, indicating immunity. Key groups needing testing include:

- Pregnant Women: Positive results risk congenital CMV, affecting newborns.
- Immune-Compromised Individuals: Past exposure can lead to severe complications.
- Organ Transplant Recipients: Screening prevents post-transplant infections.

Limitations include undetectable antibodies in early infection and potential cross-reactivity. Additional tests like CMV IgM and PCR help confirm active infections. Despite limitations, the CMV IgG test is crucial for managing CMV, ensuring optimal patient care.

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 effective healthcare management. The CMV IgG test provides insights into past exposure to the Cytomegalovirus. Here's how to interpret the results:

- Positive CMV IgG Results: Indicates past exposure to CMV. This could be from a primary infection, reactivation, or reinfection. Positive results suggest potential virus transmission risk.

- Negative CMV IgG Results: Suggests no detectable exposure or antibodies. However, early infection cannot be ruled out.

In clinical contexts like pregnancy, immune-compromised conditions, and organ transplantation, understanding these results is crucial for preventing complications and ensuring patient safety.

Price of test:£79

The lowest price from the last 30 days: £79

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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