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HelpTest Code DEND Dengue Duo (Antigen NS1, IGG, IGM)
Specimen Requirements
Submit only one of the followings
Preferred
Specimen Type: Serum
Container/Tube: Gold Top (SSTII) / Red Top
Volume: 5.0mL / 6.0mL
Minimum Volume: 0.5mL serum
Collection Instructions: Allow specimen to clot for 30 minutes and centrifuge within 2 hours
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Acceptable
Specimen Type: Plasma
Container/Tube: Green Top (Li Heparin/PST)
Volume: 4.5mL
Minimum Volume: 0.5mL plasma
Collection Instructions: Centrifuge within 2 hours
Sample Stability
** Preferred temperatures for storage prior to and during shipping to NUH **
| Specimen Type: | Serum / Plasma |
|---|---|
| Ambient: | 2 hours |
| Refrigerate: | 1 week |
| Frozen: | 1 year |
Reference Interval
Dengue Duo Test consists of Dengue Antigen (NS1), Dengue IgG and Dengue IgM
| NS1 | IgM | IgG | Result Interpretation |
| Negative | Negative | Negative | A negative test does not preclude early acute dengue infection. Please consider retesting in 3 to 5 days if clinically indicated. |
| Positive | Negative | Negative | Results consistent with early dengue infection. Cross-reactivity may occur with other flaviviruses. |
| Positive | Positive | Negative | |
| Negative | Positive | Negative | |
| Positive | Negative | Positive | Results consistent with early secondary dengue infection. Cross-reactivity may occur with other flaviviruses. |
| Positive | Positive | Positive | |
| Negative | Negative | Positive | Recently recovered or previous dengue infection. Cross-reactivity may occur with other flaviviruses. |
| Negative | Positive | Positive | Late primary or early secondary dengue infection. Cross-reactivity may occur with other flaviviruses. |
Test performed using Standard Q Dengue Duo kit.
Days and Times Performed
24 hours, TAT 1 day
Methodology
Immunochromatography
Service Code
31907
Update
Last updated 28/08/2024
Updated on reference interval.
Unacceptable Condition
| Haemolysis | NA |
|---|---|
| Icterus | NA |
| Lipaemic | NA |
| Others | NA |
Testing Laboratory
National University Hospital
Clinical Chemistry, 67724346
Useful For
Early diagnosis of acute dengue infection