Cytomegalovirus – IgG Antibodies (CMV-IgG)
4.6 (5 reviews)A blood test used to detect past exposure or immunity to Cytomegalovirus infection.
Test Details
Also Known As
CMV IgG Test, Cytomegalovirus IgG Antibody Test, CMV Immunoglobulin G, CMV Serology IgG
Sample Type
Blood
Gender
Male, Female
Age Group
All Ages
Categories
Pathology
Test Code
Serum (1 ml)
Testing for CMV infection is a simple blood test, called a CMV IgG antibody. It will determine if a pregnant woman has had CMV. A positive result indicates a current or past CMV infection. A second blood test, called CMV IgM antibody will help determine if the CMV infection is current or past.
A high level of IgG is not as important as a rising level. If there is a 4-fold increase in IgG between the first and second sample, then you have an active CMV infection (primary or reactivated). A positive CMV IgM and negative IgG means you may have very recently been infected.
CMV stands for cytomegalovirus. It is a common virus that can infect anyone, anytime. Donors who have had a CMV infection, but not an active one during the time of donation, will have a positive (+) CMV status. Sperm donors who have never had a CMV infection will have a negative (-) CMV status.
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