Cytomegalovirus (CMV) Tests Test
Cytomegalovirus (CMV) tests check for signs of CMV in your blood, sputum, or other body fluids. CMV is a common virus that usually causes no symptoms in healthy people but can be serious for those with weakened immune systems, pregnant women, and newborns.
What this test measures
Cytomegalovirus (CMV) tests check for signs of CMV in your blood, sputum, or other body fluids. CMV is a virus in the herpes family.
What your results mean
Reference ranges vary by laboratory and by your age and sex. MedlinePlus does not publish a single normal range for this test — always read your result against the range printed on your own lab report and discuss it with your provider.
Frequently asked questions
What is CMV?
CMV is a common virus in the herpes family. Most people have been exposed to it during childhood.
Who should get tested for CMV?
People with weakened immune systems, those who recently had an organ transplant, pregnant women with symptoms, and newborns with signs of infection.
Can CMV be cured?
There is no cure for CMV, but antiviral medicines and other treatments may reduce symptoms and improve outcomes.
What does a positive CMV test mean?
A positive test shows you have had a CMV infection at some point, but it cannot tell if it is current, past, or reactivated.
How is CMV spread?
CMV can be spread through body fluids such as saliva, urine, blood, tears, semen, and breast milk.
Related lab tests
Sources
- MedlinePlus: Cytomegalovirus (CMV) Tests — NIH MedlinePlus
Last updated . Information is aggregated from official public sources and is not a substitute for professional medical care.