Test Details
Mnemonic
DENGM
Ordering Code
3688060
CPT-4 Code(s)
86790 x 2
Specimen Information
Collect
Serum separator tube (SST)
Specimen Preparation
Centrifuge, separate serum from cells within 2 hours of collection and send 1.0 mL serum refrigerated in a screw capped plastic vial.
Alternate Specimen
Serum: Red top
Minimum Volume
0.1 mL
Transport Temperature
Refrigerated
Rejection Criteria
Lipemic, hemolyzed or heat-inactivated specimens
Stability
Room temperature: 2 days
Refrigerated: 14 days
Frozen: 1 year
Refrigerated: 14 days
Frozen: 1 year
Methodology
Enzyme Linked Immunosorbent Assay
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
However, low levels of IgM antibodies may
occasionally persist for more than
12 months post-infection.
≤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
However, low levels of IgM antibodies may
occasionally persist for more than
12 months post-infection.
Performing Laboratory
ARUP Reference Laboratory
New York DOH Approval Status
Yes