At a Glance
Test: Dengue NS1 Antigen (Rapid). Result: Positive or negative. Price: From 600. Fasting: Not required. Sample: Blood (serum). Reports: Within 12 hours, digital. Home collection: Available across Noida; any charge is shown at booking. Lab: NABL-accredited.
Why Timing Decides This Test
NS1 is a protein produced by the dengue virus itself. It appears in the blood from the early days of fever and falls away as the immune system responds, which is why this test is most useful in roughly the first five to seven days of illness. After that, the body's own antibodies — IgM first, then IgG — become the better evidence. A rapid NS1 test is therefore a test of when you take it as much as of what you have.
What a Result Means
A positive NS1 result indicates current dengue infection and should be shown to a doctor the same day. A negative result is less final than it looks. It does not rule dengue out if the fever is more than a few days old, if the virus level is low, or in a repeat infection, where the test tends to pick up fewer cases than in a first infection. If the fever and symptoms continue, doctors usually repeat the test or add dengue IgM and IgG rather than accept a single negative.
Read It With a Platelet Count
Dengue is managed by watching the blood count, not only by confirming the virus. A falling Platelet Count is the parameter doctors follow, and serial counts over several days are more informative than one reading. The Platelet Count and the Complete Blood Count (CBC) + ESR are separate tests that can be booked together. Dengue and malaria are both endemic across Delhi NCR, and cases usually rise after the monsoon.
Warning Signs That Should Not Wait for a Report
Go to a hospital rather than waiting for a result if there is severe abdominal pain, persistent vomiting, bleeding from the gums or nose, black stools, extreme drowsiness or restlessness, or cold clammy skin as the fever settles. Doctors generally advise against aspirin and ibuprofen during suspected dengue because of bleeding risk; ask your doctor which fever medicine is safe.
Dengue Testing and Shift Work in Noida
Noida's BPO and offshore-support floors run on US and European hours, so a fever often starts at night and a lab visit gets pushed to the next day. Because this test needs no fasting and no preparation, the sample can be taken at any hour, including straight after a shift. Taking it early matters more than taking it at a convenient time.
What Is Not Included
This is a single test. It does not include Dengue IgM or IgG antibodies, a Platelet Count, a full blood count, a dengue PCR or serotype, or any malaria, typhoid or chikungunya test. The Dengue Profile-Rapid Dengue IgG, Dengue IgM, Dengue NS1 Ag covers all three dengue markers in one booking and suits a fever that is already several days old. A raised result should always be read by a doctor alongside symptoms.
Content last reviewed: October 2026