Quick Reference
- Full form
- Cytomegalovirus Antibody, IgM
- Sample type
- Blood
- Fasting
- Not required
- Marker measured
- 1
- Report turnaround
- Next day
- Available at
- All locations
About CMV IgM
CMV IgM suggests a recent or active cytomegalovirus infection, and is often tested alongside IgG to help your doctor understand the timing of exposure, which matters especially during pregnancy.
No fasting is required, and results are available the next day.
How to Prepare
- No fasting required.
- No special preparation needed before your blood draw.
Frequently Asked Questions
What does CMV IgM testing indicate?
It suggests a recent or active cytomegalovirus infection, as opposed to past exposure.
Do I need to fast before this test?
No fasting is required.
Why is this tested alongside IgG?
Testing both together helps your doctor understand the timing of exposure, which matters especially during pregnancy.
Is CMV dangerous for most people?
Usually not for healthy adults, but it is more concerning during pregnancy or for people with weakened immune systems.
How soon will my report be ready?
Next day.
Is home sample collection available?
Yes, in all City Care Lab service areas.
This page provides general health information and is not a substitute for medical advice. Speak with your doctor about your specific results and treatment.