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CMV IgG

Cytomegalovirus IgG CMV Serology IgG
Serum (SST) Positive/Negative (or AU/mL)

About this test

Indicates past CMV infection (latent). Important for risk stratification in organ transplant donors and recipients; seronegative recipients receiving organs from seropositive donors (D+/R−) are at highest risk.

Reference Ranges

Sex Age Range Notes
All All ages See notes Positive indicates past exposure; 50–90% of adults are seropositive

Clinical Interpretation

Low / Decreased
Seronegative — no prior CMV exposure.
High / Increased
Seropositive — lifelong latent infection. Risk of reactivation in immunocompromised patients.

Related Tests

CMV IgM
Specimen
Serum (SST)
Reporting Unit
Positive/Negative (or AU/mL)
Category
🦠 Microbiology

⚠ Clinical Note
Reference ranges are indicative. Always interpret results in the context of the individual patient and local laboratory reference intervals, which may vary.