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Cytomegalovirus Antibodies, IgG & IgM
Test CodeCMVGM
Alias/See Also
Cytomegalovirus Antibodies, IgG and IgM (11042)
Performed at Sonora Quest Laboratories, test code 11042
Performed at Sonora Quest Laboratories, test code 11042
CPT Codes
86644, 86645
Clinical Significance
CMV infections are common and usually asymptomatic. In patients who are immunocompromised, CMV may cause severe disseminated disease.
CMV may cause birth defects in a minority of infected newborns. Intrauterine or congenital CMV infections occur in 0.5 to 2.2% of all live births. Symptomatic congenital infections usually occur in infants born to non-immune mothers who have primary infections during pregnancy.
A single positive CMV IgG result is an indication of present or past infection. The presence of CMV IgM suggests a recent CMV exposure but does not differentiate between primary infection and reactivation. Latency and reactivation of CMV influence the interpretation of serological results.
CMV may cause birth defects in a minority of infected newborns. Intrauterine or congenital CMV infections occur in 0.5 to 2.2% of all live births. Symptomatic congenital infections usually occur in infants born to non-immune mothers who have primary infections during pregnancy.
A single positive CMV IgG result is an indication of present or past infection. The presence of CMV IgM suggests a recent CMV exposure but does not differentiate between primary infection and reactivation. Latency and reactivation of CMV influence the interpretation of serological results.
Additional Information
Cytomegalovirus (CMV) Ab, IgG & IgM
