Dengue Fever Virus Antibody, IgG
Also known as: DEN G
Use
This test aids in detecting past dengue infection. Dengue fever is a mosquito-borne disease, and testing is suggested for individuals with symptoms consistent with dengue fever and with travel history to endemic areas. The presence of IgG antibodies may indicate a current or past infection. In the early stages of infection, IgG antibodies may not be detectable; testing for IgM antibodies is recommended in such cases.
Special Instructions
Parallel testing is preferred, and convalescent specimens must be received within 30 days from receipt of the acute specimens. Specimens should be marked plainly as 'acute or convalescent.'
Limitations
Patients in the early stage of dengue fever virus infection may lack detectable IgG antibodies, as the IgG response can take several weeks to develop. The test does not determine the stage of infection (acute or chronic) and cannot differentiate between primary and secondary infections. It is crucial to consider additional testing for IgM antibody and paired serology for accurate diagnosis.
New York Approved
Methodology
Immunoassay (ELISA)
Biomarkers
LOINC Codes
- 23991-3
- 23991-3
Result Turnaround Time
1-5 days
Related Documents
For more information, please review the documents below
Specimen
Serum
Volume
1 mL
Minimum Volume
0.1 mL
Container
ARUP Standard Transport Tube
Collection Instructions
Separate serum from cells ASAP or within 2 hours of collection.
Causes for Rejection
Bacterially contaminated, heat-inactivated, hemolyzed, icteric, lipemic, or turbid specimens.
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | 48 hours |
| Refrigerated | 2 weeks |
| Frozen | 1 year (avoid repeated freeze/thaw cycles) |