Dengue Fever Antibody, IgG and IgM


Abbrev Code:DENGAB   
Order Code:LAB6349Order Name:Dengue Fever IgG IgM
Methodology:Enzyme-linked immunosorbent assay
CPT Codes: 86790 x2
Turnaround Time:Specimens are sent to reference laboratory Mon-Sat; results are reported within 1-5 days.
Special Instructions:Parallel testing is preferred. Label samples as acute or convalescent. Convalescent samples must be received within 30 days of acute sample.
Compliance:

This test was developed and its performance characteristics determined by ARUP Laboratories. It has not been cleared or approved by the U.S. Food and Drug Administration. This test was performed in a CLIA certified laboratory and is intended for clinical purposes.


Collection Instructions

Specimen:Blood
Optimal Volume:2 mL
Minimum\Peds Volume:0.4 mL
Container:Red or gold (gel)
Alternate Containers: Red (no gel)
Causes for Rejection:Contaminated, heat-inactivated, hemolyzed, severely lipemic specimens.


Processing and Shipping

Specimen Processing:Separate serum from cells within 2 hours of collection. Centrifuge and aliquot 1 mL, 0.1 mL minimum. Store in refrigerator.
Shipping Instructions:Ship at refrigerated temperature.
Stability:Stability: Samples are stable for 48 hours at room temperature; 2 weeks refrigerated and 1 year frozen.
Test Performed at or Referral Lab Lab Sendouts  (ARUP)
Referral Lab number:93096 (DENGUE AB)


Interpretive

Reference Range:

 

Dengue Fever Virus Antibody, IgG

1.64 IV or less

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 or greater

Positive – IgG antibody to dengue fever virus detected, which may indicate a current or past infection.

 

Dengue Fever Virus Antibody, IgM

1.64 IV or less

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 or greater

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 m more than 12 months post-infection.

 

 



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