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HelpTest Code DEND Dengue Duo (Antigen NS1, IgG, IgM)
Specimen Requirements
Submit only one of the following:
Preferred
Specimen Type: Serum
Container/Tube: Gold Top (SSTII) / Red Top
Volume: 5.0 mL / 6.0 mL
Minimum Volume: 0.5 mL serum
Collection Instructions: Allow specimen to clot for 30 mins and centrifuge within 2 hrs.
Acceptable
Specimen Type: Plasma
Container/Tube: Green Top (Li Heparin/PST)
Volume: 4.5 mL
Minimum Volume: 0.5 mL plasma
Collection Instructions: Centrifuge within 2 hrs.
Specimen Stability
| Specimen Type | Serum/Plasma |
|---|---|
| Ambient | 2 hours |
| Refrigerate | 1 week |
| Frozen | 1 year |
Specimen Condition
| Haemolysis | Alert/Reject |
|---|---|
| Icterus | Not available |
| Lipaemia | Not available |
| Others | Not available |
Methodology
Immunochromatography
Days and Times Performed
24 hrs, TAT 1 day
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.
Testing Laboratory
National University Hospital
Clinical Chemistry, 67724346
Useful For
Early diagnosis of acute dengue infection.
Service Code
31907
Update
Last updated 11/03/2025
LOINC Code Information
75223-8
Alias
Dengue Fever
Flavivirus
Mosquito-borne Infection
Laboratory Code
LAB5170