IgM: A negative cytomegalovirus (CMV) IgM result suggests that the patient is not experiencing acute or active infection. However, a negative result does not rule-out primary CMV infection.

CMV immunoglobulin G (IgG) antibodies are typically present for a longer duration and indicate a past or previous CMV infection. In contrast, CMV immunoglobulin M (IgM) antibodies are …

Serologic tests that detect CMV antibodies (IgM and IgG) are widely available from commercial laboratories. The enzyme-linked immunosorbent assay (ELISA) is the most common serologic …

Other names: CMV IgG and IgM, cytomegalovirus antibody. What are they used for? CMV tests help diagnose a current, reactivated, or past CMV infection in people at risk for health …

The enzyme-linked immunosorbent assay (ELISA) is the most common serologic test for measuring antibody to CMV. A positive test for CMV IgG indicates that a person was infected …

Jun 20, 2023 · The main difference between CMV IgG and IgM is that IgG antibodies are the most common type of antibodies produced in response to a CMV infection, whereas IgM antibodies …

CMV serology aids in diagnosing CMV infection by detecting IgM antibodies, which indicate a recent infection, and IgG antibodies, which suggest past exposure. A positive IgM result …

By detecting IgM antibodies to cytomegalovirus, the cytomegalovirus IgM test plays a crucial role in diagnosing CMV infection. IgM antibodies are produced by the body’s immune system as a …

Positive CMV IgM results indicate a recent infection (primary, reactivation, or reinfection). IgM antibody responses in secondary (reactivation) CMV infections have been demonstrated in …

Also, if your IgM and IgG levels are high, it may mean you have CMV. Your healthcare provider will likely give you the test again in 2 weeks to confirm the infection. If your IgG levels rise …