Dengue Ns 1 Antigen ELISA

A positive NS1 test result is indicative of a dengue virus infection. A negative NS1 test result does not rule out infection. People with negative NS1 and negative or unavailable RT-PCR test results should be tested for the presence of dengue IgM antibodies to determine possible recent dengue exposure.

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The normal range of dengue NS1 Antigen Test is 0.5-5 ng/mL. The results are either positive or negative. The positive results indicate the virus is present. However, additional tests may require to confirm the diagnosis (depending on your condition).

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It has been shown previously that a dengue NS1 antigen level of more than 600 ng/ml in the first 72 h was associated with the development of DHF 9. In addition, patients with DHF have been shown to have higher viral loads and a delay in clearance of the virus 35, 36.