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Cytomegalovirus IgM Antibody (CMV IgM) and its Function

The Cytomegalovirus (CMV) IgM antibody test is a laboratory test used to detect the presence of IgM antibodies against the cytomegalovirus in the blood. IgM antibodies are the first type of antibodies produced by the immune system in response to an infection. The presence of CMV IgM antibodies suggests recent or active infection with CMV.

Conditions that may require Cytomegalovirus IgM Antibody (CMV IgM)

Diagnosing primary CMV infection: A positive CMV IgM test result, along with clinical symptoms and other laboratory findings, indicates recent or acute CMV infection. Primary CMV infection refers to the initial infection with CMV in individuals who have not been previously exposed to the virus.
Assessing active CMV infection: The presence of CMV IgM antibodies suggests an active CMV infection, as IgM antibodies are typically produced during the early stages of infection. However, it's important to note that CMV IgM antibodies can persist in the bloodstream for a prolonged period, even after the acute infection has resolved. Therefore, additional testing may be necessary to confirm the presence of an active infection.
Monitoring pregnant women: CMV IgM antibody testing is commonly performed during pregnancy to identify women who have recently acquired a primary CMV infection. Infection during pregnancy can pose risks to the developing fetus, and timely diagnosis is crucial for appropriate management and counseling.

Cytomegalovirus IgM Antibody (CMV IgM) Procedure

The Cytomegalovirus IgM Antibody (CMV IgM) is a simple blood test that can be performed in a laboratory. Before the test, the patient may be asked to avoid certain medications that may affect the results. During the test, our healthcare professional will use a needle to draw blood from a vein in the patient's arm. The blood sample will then be sent to our laboratory for analysis.