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Aid in the determination of serological status to CMV. IgG antibodies rise gradually and persist for the rest of an individual's life. The specific IgG assay is useful in distinguishing who has been exposed to the virus from those who have not. Levels of IgM to hCMV usually increase for some weeks and decrease slowly thereafter, in four to six months. Occasionally, IgM may circulate for years. For the IgM assay, see Cytomegalovirus (CMV) Antibodies, Quantitative, IgM .
Most adults are infected with CMV and it is normal to be a carrier of the virus.
Chemiluminescent immunoassay (CLIA)
• Negative: <0.60 U/mL
• Equivocal: 0.60−0.69 U/mL
• Positive: >0.69 U/mL
CMV causes an infectious mononucleosis syndrome clinically indistinguishable from heterophil positive mononucleosis. Signs include fever, malaise, and increased transaminase levels without jaundice.
Causes for Rejection
Hemolysis; lipemia; gross bacterial contamination
Identify specimen as acute or convalescent. Acute and convalescent specimens must be submitted on separate test request forms.
|Order Code||Order Code Name||Order Loinc||Result Code||Result Code Name||UofM||Result LOINC|
|006494||Cytomegalovirus (CMV) Ab, IgG||5124-3||006499||Cytomegalovirus (CMV) Ab, IgG||U/mL||5124-3|