CMV DNA (PCR)

The Clam IgG test is a diagnostic tool designed to measure immunoglobulin G (IgG) antibodies specific to clam allergens in a patient's serum. It is primarily used to assess immunologic sensitization to clam allergens, which may be relevant in cases of food-related complaints or suspected food allergies. However, the presence of IgG antibodies alone does not confirm a food allergy, as it only indicates sensitization. The test is typically performed using an enzyme immunoassay (EIA) method, requiring a serum sample collected in a serum separator tube. Proper specimen handling is crucial, with stability maintained for up to 48 hours at ambient temperature, 2 weeks refrigerated, or 1 year frozen. Results are generally available within 2 to 4 business days and are reported in micrograms per milliliter (mcg/mL). Physicians should interpret the results in conjunction with other diagnostic tools and clinical evaluations to confirm food allergies, considering the test's limitations.

Price of test:£185

The lowest price from the last 30 days: £185

Awaiting result:

One day

Collect material:

Blood

Prepare:

Learn more

Purpose of the test

The Clam IgG test measures IgG antibodies specific to clam allergens in serum, aiding in assessing immunologic sensitization. Key points include:

- Clinical Utility: Not fully established; useful in specific cases for diet evaluation.
- Procedure: Conducted via enzyme immunoassay (EIA) with standardized calibrators.
- Specimen Requirements: Serum in SST, 0.2 mL minimum, refrigerated.
- Specimen Stability: Ambient for 48 hours, refrigerated for 2 weeks, frozen for 1 year.
- Turnaround Time: 2-4 business days.
- Interpretation: Values <2.0 mcg/mL indicate absent IgG; higher values suggest sensitization.
- Diagnostic Considerations: Use with other tools; positive results need further evaluation.

Who Should Get Tested

The CMV DNA PCR test is vital for detecting and managing CMV infections, especially in immunocompromised individuals. It serves several clinical purposes:

- Monitoring Active Infections: Quantifies viral load to assess infection severity.
- Preemptive Antiviral Therapy: Guides early treatment in transplant patients.
- Diagnosing Active Disease: Detects CMV DNA to confirm active disease.
- Monitoring Treatment Response: Tracks viral load changes to evaluate therapy effectiveness.

Using real-time PCR, the test targets specific CMV genes, ensuring precise detection. Results guide clinical decisions, though interpretation must consider broader clinical context.

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. The Clam IgG test measures specific IgG antibodies to clam allergens, indicating potential sensitization. Key points to consider:

- Clinical Utility: Not fully established; used in special cases for diet evaluation.
- Procedure: Conducted via enzyme immunoassay, ensuring standardized results.
- Specimen Requirements: Serum sample, preferably 0.5 mL, refrigerated for stability.
- Turnaround Time: Typically 2-4 business days.
- Interpretation: Values <2.0 mcg/mL suggest undetectable levels; higher values indicate sensitization.
- Diagnostic Considerations: Use alongside other tools for comprehensive evaluation.

Price of test:£185

The lowest price from the last 30 days: £185

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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