DENGUE FEVER IgG, IgM ANTIBODY

Test Documentation
Specimen Required
Draw blood in a SST. Centrifuge, separate serum from cells within 2 hours of collection and send 1.0 mL serum (0.3 mL minimum) refrigerated in a screw-capped plastic vial.

Alternate Specimen
Serum: Red-top

Rejection Criteria
Lipemic, hemolyzed or heat-inactivated specimens

Methodology
Enzyme Linked Immunosorbent Assay

Stability
Room Temperature: 2 days; Refrigerated: 14 days; Frozen: 1 year

Reference Range
Dengue Fever Virus Antibody, IgG
<=1.64 IV: Negative-No significant level of detectable dengue fever virus IgG antibody.
1.65-2.84 IV: Equivocal-Questionable presence of antibodies. Repeat testing in 10-14 days may be helpful.
>=2.85 IV: Positive- IgG antibody to dengue fever virus detected, which may indicate a current or past infection.
Dengue Fever Virus Antibody, IgM
<=1.64 IV: Negative - No significant level of detectable dengue fever virus IgM antibody.
1.65-2.84 IV: Equivocal - Questionable presence of antibodies. Repeat testing in 10-14 days may be helpful.
>=2.85 IV: Positive - IgM antibody to dengue fever virus detected, which may indicate a current or recent infection.
However, low levels of IgM antibodies may occasionally persist for more than 12 months post-infection.

Performed
Monday

Turnaround Time3-12 days
Test CodeDENGM
CPT-4 Code (s)
86790 x 2 RUO
LOINC Codes
IgG   23991-3  
IgM   23992-1  

Warde
Medical
Laboratory