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CYTOMEGALOVIRUS, IGG
Test CodeLAB7859
Alias/See Also
CMV IgG Antibody
CPT Codes
86644
Preferred Specimen
1 Gold tube (SST)
Patient Preparation
None
Minimum Volume
0.5 mL (1 mL optimal)
Other Acceptable Specimens
1 Red tube
Instructions
Centrifuge for complete separation of serum from red cells. Refrigerate until tested.
Transport Container
Gold tube
Transport Temperature
Refrigerate
Specimen Stability
2-8°C up to 2 days
Methodology
EIA (Enzyme Immunoassay)
Setup Schedule
M, W, F
Batched; once per day run
Batched; once per day run
Report Available
Report available same day tested
Clinical Significance
In immunocompromised patients, CMV serology (IgG or IgM antibody titers) may not be reliable and may be misleading in the diagnosis of acute or reactivation CMV disease. The preferred method for diagnosis is culture of virus and/or demonstration of viral antigen in peripheral white cells (buffy coat), bronchoalveolar lavage (BAL) cells, or tissue biopsies.
This test should not be used for blood donor screening, associated re-entry protocols, or for screening Human Cell, Tissues and Cellular and Tissue-Based Products (HCT/P).
The best evidence for current infection is a significant change on two appropriately timed specimens, where both tests are done in the same laboratory at the same time.
This test should not be used for blood donor screening, associated re-entry protocols, or for screening Human Cell, Tissues and Cellular and Tissue-Based Products (HCT/P).
The best evidence for current infection is a significant change on two appropriately timed specimens, where both tests are done in the same laboratory at the same time.
Performing Laboratory
Alverno Central Lab
