CMV IgG Avidity, Serum
CMV IgG Avidity Test Overview
The CMV IgG Avidity, Serum test is used to determine whether a Cytomegalovirus (CMV) infection is recent or occurred in the past. It measures the strength (avidity) with which IgG antibodies bind to the CMV virus. This test is especially important during pregnancy and in individuals with weakened immune systems.
Why is this Test Done?
Doctors may recommend the CMV IgG Avidity test to:
- Differentiate between recent and past CMV infection
- Assess CMV infection during pregnancy
- Evaluate risk of congenital CMV infection in the fetus
- Support diagnosis when CMV IgM antibodies are positive
- Monitor immune response in immunocompromised patients
Understanding the Results
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Low Avidity IgG: Suggests a recent or primary CMV infection
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High Avidity IgG: Indicates past infection or immunity developed over time
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Intermediate Avidity: May require repeat testing or further clinical evaluation
Symptoms Associated with CMV Infection
CMV infection may cause:
- Fever
- Fatigue
- Sore throat
- Swollen glands
- Muscle aches
- Mild flu-like symptoms
In many healthy individuals, CMV infection may remain asymptomatic.
Sample Required
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Sample Type: Serum
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Preparation: No fasting required
Test Benefits
- Helps identify timing of CMV infection
- Important in prenatal screening
- Assists clinicians in pregnancy risk assessment
- Supports accurate CMV diagnosis and management
Why Choose Biocare Laboratories?
At Biocare Laboratories, advanced diagnostic technologies and quality-controlled testing ensure reliable and accurate results with timely reporting.
