Quick highlights
- Indicates past exposure/immunity pattern to CMV
- IgG alone does not diagnose active infection
- Commonly used in pregnancy/TORCH contexts when ordered
- Often interpreted with IgM and/or IgG avidity in pregnancy scenarios
- No fasting; serum blood test
- Most adults have IgG positivity—interpretation needs context
- Immunocompromised patients may need PCR for active infection assessment
- Home blood collection available in many service areas
- Clear non-alarmist guidance; emphasizes clinician counseling
- SEO coverage: CMV IgG test, cytomegalovirus IgG antibody, TORCH CMV IgG
What’s included
Preparation
- Book blood draw (home or lab)
- No fasting required
- Share pregnancy status/gestational age if relevant
- Disclose symptoms and timeline if clinician is evaluating recent infection
- Collect serum blood sample via trained phlebotomist
- Download report from <a href='/my-account/'>View reports</a>
- Discuss results with clinician; avidity/PCR may be advised
- Follow clinician counseling for prevention and follow-up
FAQs
It usually indicates past exposure and the presence of antibodies; it does not confirm active infection.
No.
No. Current infection assessment may require IgM, avidity, or PCR depending on context.
To assess exposure and guide clinician counseling; interpretation is clinician-led.
A test that can help estimate timing of infection in some contexts when IgM is positive; ordered by clinicians.
Often same day or within 24 hours.
Serum blood sample.
Yes in many serviceable areas.
It may suggest no prior exposure; clinician may counsel on prevention, especially in pregnancy.
Yes, many adults have been exposed.
Discuss with your obstetrician; IgG positivity often indicates past exposure, but clinical context matters.
Yes; clinicians may use PCR and other assessments in such cases.
Download from <a href='/my-account/'>View reports</a>.
Only if your clinician advises based on symptoms, IgM, or pregnancy evaluation.
Notes
IgG indicates past CMV exposure.
