Test guide

Cytomegalovirus (CMV) Tests

Cytomegalovirus (CMV) tests check for signs of CMV in your blood, sputum, or other body fluids. CMV is a virus in the herpes family. Other types of herpes viruses include the viruses that cause chickenpox and mononucleosis (mono) .

For everyone & professionalsReviewed 2026-10-18

What it is for

CMV tests only help to diagnose a current, reactivated, or past CMV infection in people at risk of health complications. You may be at higher risk if you: Infants are also at higher risk of health problems from CMV if they: Source: MedlinePlus, National Library of Medicine. Medical test information is public domain. Source identity and definition checked automatically on 2026-10-18. No individual clinical interpretation or human reviewer is asserted.

Limitations

Reference intervals and interpretation depend on the laboratory, specimen, method and clinical context. This source definition is educational information; it does not establish a diagnosis, product approval or suitability for an individual.

Also known as

  • CMV IgG and IgM, cytomegalovirus antibody, PCR Test

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