Dengue NS1 Antigen Report Format
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What is the Dengue NS1 Antigen Test?
The Dengue NS1 Antigen test detects the non-structural protein 1 (NS1) of the dengue virus. It helps diagnose dengue infection in its early stages, typically within the first 0–5 days of symptom onset.
What is a Dengue NS1 Antigen Report Format?
A Dengue NS1 report provides a qualitative or quantitative result indicating whether the NS1 protein is present in the patient’s blood, confirming early dengue infection.
Tests Included in Dengue NS1 Antigen Report
Test | Description |
NS1 Antigen | Detects dengue virus antigen to confirm acute infection during the viremic phase. |
Key Parts of a Dengue NS1 Report
Key Part | Description |
Sample Type | Typically serum or plasma. |
Test Method | ELISA or Rapid Immunochromatography. |
Result | Reported as Positive, Negative, or Equivocal. |
Clinical Correlation | Interpretation is based on result timing and symptoms such as fever, headache, or rash. |
Reference Range for Dengue NS1 Report
Result | Interpretation |
Negative | No dengue antigen detected |
Equivocal | Borderline result; retesting may be needed |
Positive | NS1 antigen detected; likely acute dengue infection |
Parameters to Consider in NS1 Report
Parameter | Interpretation |
Positive NS1 | Indicates current dengue infection, usually in the first 5 days. |
NS1 with IgM/IgG | Helps determine stage of infection—acute, recent, or past. |
NS1 Timing | Best used during days 0–5 of fever. |
Clinical Symptoms | NS1 positivity must be interpreted along with fever, body pain, and platelet count. |
Guidelines for Dengue NS1 Report Format
Guideline | Description |
Report Timing | Ideal for early diagnosis before antibody production begins. |
Mention Test Type | Indicate whether ELISA or rapid card method was used. |
Follow-Up Testing | IgM/IgG serology or PCR may be required after day 5 of illness. |
What Do the Results Mean?
Result Type | Interpretation |
Positive | Confirms acute dengue infection—urgent monitoring advised. |
Negative | Does not rule out dengue; may need antibody testing based on fever duration. |
Equivocal | Inconclusive; repeat testing may be recommended. |
Dengue NS1 Antigen Report Interpretation
Test | Interpretation |
NS1 Antigen | Detects early dengue infection during the viremic phase; highly specific for acute-phase diagnosis. |
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