• Test Code - PL0417
  • Test Name - Cytomegalovirus (IgG)
  • Views - 317 Views
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Test Details & Preparation


  • Cytomegalovirus Antibody test is done if your doctor suspects that you presently have, or recently had, a cytomegalovirus (CMV) infection or if it is important to know if you have ever had a CMV infection, such as prior to receiving an organ transplant.

  • Cytomegalovirus Antibody test is performed when a young adult, a pregnant woman, or an immune-compromised person has flu-like symptoms that suggest a CMV infection when a newborn has multiple congenital abnormalities, unexplained jaundice or anaemia, or when an infant has seizures or developmental problems that may be due to CMV prior to receiving an organ transplant.

  • A blood sample drawn from a vein in your arm for CMV antibody testing to detect the virus itself, the sample may be blood, urine, sputum, amniotic fluid, cerebrospinal fluid, duodenal fluid, or other body tissue.

  • No preparation is needed for a Cytomegalovirus Antibody test.

  • A positive Cytomegalovirus Antibody (CMV) test IgG and IgM in a symptomatic person means it is likely that the person has either recently been exposed to CMV for the first time or that a previous CMV infection has been reactivated.

  • 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 the person has an active CMV infection (primary or reactivated).

  • A positive CMV IgM and negative IgG means the person may have very recently been infected.

  • A negative IgG or IgM or low levels of the antibodies in someone who is symptomatic may mean that the person either has a condition other than CMV or that the person's immune system is not responding normally.


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