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Dengue test

Infection and immunity tests · also printed as Dengue, Dengue NS1, Dengue IgM, Dengue IgG, Dengue serology

Typical UK adult rangeExpected result: Negative

Negative is the expected result.

What this test measures

Dengue tests detect the virus's NS1 antigen in the first days of illness, then IgM and IgG antibodies.

Why doctors request it

Requested for fever after travel to tropical areas.

What commonly pushes it up

Current or recent dengue infection
Past infection (IgG)

What commonly pushes it down

A negative result is the usual finding

Everyday reasons for a value outside the range

Results can be equivocal and are then repeated
Recent vaccination or infection elsewhere can occasionally give a weak positive

About the sample

No fasting needed.

Written by a UK consultant physician. Typical UK adult reference ranges; your laboratory's own printed range takes precedence.

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This is an educational summary of results you uploaded. It is not medical advice, a diagnosis or a treatment plan, and it does not replace the doctor who requested the test. If you are worried, or a result is marked outside range, discuss it with your doctor. Written and reviewed by a UK consultant physician. Reference ranges vary between laboratories.