Dengue IgG Test to Check Dengue Fever Antibodies

The Dengue IgG test is used to detect the presence of antibodies against the dengue virus in a person's blood. It helps in diagnosing a past dengue infection and determining immunity to the virus and monitoring the progression of the disease and evaluating the effectiveness of a vaccine.

 

Dengue IgG Test

Here are the basic details for Dengue IgG Test.

Also Known As	Dengue Fever Antibodies IgG Test, Dengue Fever Antibodies Panel IgG Test
Type	Blood Test
Purpose	Check antibodies against dengue virus
Sample Type	Blood
Preparation	No Special Preparation Required
Fasting	No
Gender	All
Age-Group	Any
Normal Value	Negative
Reporting Time	24 - 48 Hours
Cost	1500 - 2000 INR*

*Price range may vary as per location, lab type, and procedure of lab test.

 

Dengue IgG Test Full Form

Full Form of Dengue IgG Test is Dengue Immunoglobulin G Test.

 

Dengue IgG Test Means

• Dengue IgG Test is a blood test that helps detect the presence of IgG antibodies to the Dengue virus in the bloodstream of an individual.
• The test is used to determine if a person has been previously infected with the Dengue virus.
• The presence of IgG antibodies in the blood indicates that the individual has been exposed to the virus at some point in the past.
• A positive Dengue IgG Test result does not necessarily mean that the person currently has Dengue fever.
• Dengue IgG Test is often used in combination with other Dengue tests to confirm the diagnosis of Dengue fever or to assess the immunity level of an individual to the virus.
• The test can be helpful in monitoring the Dengue virus infection in endemic regions and can aid in public health strategies and interventions.

Interesting Facts About Dengue IgG

• Dengue IgG is an antibody that develops after dengue infection.
• It provides long-term immunity against specific dengue virus serotypes.
• Dengue IgG testing helps determine previous dengue exposure and immune status.

 

Who should get Dengue IgG Test?

Here are people who should get a Dengue IgG test:

• Individuals who have recovered from dengue fever and want to know if they have developed immunity to the virus.
• Individuals who have never had dengue fever but have been exposed to the virus
• Individuals who live in or are planning to travel to areas where dengue fever is prevalent.
• Individuals who are experiencing symptoms of dengue fever
• Individuals who have a weakened immune system are at higher risk of developing severe dengue fever.

 

Dengue IgG Test Purpose

Here are the purposes of the Dengue IgG Test.

• To diagnose a current or past dengue infection.
• To determine whether a person has immunity to dengue virus.
• To monitor the immune response to a dengue vaccine.
• To identify potential donors for convalescent plasma therapy.
• To assess the prevalence of dengue infection in a population.

 

 

Dengue IgG Test Preparation

Here are the preparation steps before, during, and after the Dengue IgG Test:

 

Before Test

• Inform your doctor if you are taking any medications, supplements, or herbal remedies.
• Wear a short-sleeved or sleeveless shirt to make it easier to draw blood.
• Stay hydrated by drinking plenty of water.

 

During Test

• The healthcare professional will clean the area where the blood will be drawn and place an elastic band around your upper arm to increase blood flow.
• They will then insert a needle into a vein in your arm and collect a small amount of blood.
• Once enough blood has been collected, they will remove the needle and place a bandage over the puncture site.

 

After Test

• You may experience some mild discomfort or bruising at the puncture site, which should go away on its own in a few days.
• Drink plenty of fluids to help your body recover and flush out any remaining traces of the contrast material.
• Follow up with your doctor to discuss the results of the test and any next steps.

Summary

Before the Dengue IgG Test, inform your doctor, wear appropriate clothing, stay hydrated, during the test, blood is drawn from a vein, and after the test, expect mild discomfort or bruising, stay hydrated, and discuss results with your doctor.

 

Dengue IgG Test Procedure

Here are some points for the Dengue IgG Test procedure:

• A healthcare professional will draw a blood sample from a vein in your arm.
• The area where the needle will be inserted will be cleaned with an antiseptic solution.
• A tourniquet will be applied to your upper arm to make the veins more visible and easier to access.
• The needle will be inserted into the vein and blood will be collected in a tube.
• Once enough blood is collected, the needle will be removed and a cotton ball or gauze pad will be placed over the puncture site.
• You may be asked to apply pressure to the puncture site to help stop any bleeding.
• The blood sample will be sent to a laboratory for analysis.

 

Dengue IgG Test Result

Here are some points on how to interpret the result of a Dengue IgG Test:

• A positive result for Dengue IgG means that the person has been infected with the Dengue virus in the past.
• A negative result for Dengue IgG means that the person has not been infected with the Dengue virus or has not yet developed antibodies to the virus.

 

Dengue IgG Test Report

Dengue IgG Test Report PDF

 

Dengue IgG Test Positive Report

Dengue IgG Positive Test Report PDF Format

Dengue IgG Test Positive Result Report PDF

 

Dengue IgG Test Negative Report

Dengue IgG Negative Test Report PDF Format

Dengue IgG Test Negative Result Report PDF

 

Dengue IgG Test Normal Range

The reference range for the Dengue IgG test may vary slightly depending on the laboratory or facility conducting the test. However, a commonly used range is:

Interpretation	IgG Antibody Level
Negative	<0.80 Index
Equivocal	0.80 - 1.19 Index
Positive	>1.19 Index

 

Dengue IgG Test Interpretation

Here are some Dengue IgG Test Interpretation value formats.

Antibody Level	Interpretation
Negative	No detectable IgG antibodies to the dengue virus.
Equivocal	A low level of IgG antibodies was detected, suggestive of a possible recent infection. Repeat testing is recommended.
Positive	IgG antibodies to dengue virus detected, indicative of past infection or current/previous vaccination.

 

Dengue IgG Test Positive Results

Here are possible causes of having Dengue IgG Positive.

 

Dengue IgG Positive	Possible Causes
Recent or past dengue virus infection	Dengue fever, dengue hemorrhagic fever, or dengue shock syndrome
Recent or past vaccination against the dengue virus	Vaccination against the dengue virus
Cross-reactivity with other flaviviruses	Infection with other flaviviruses, such as Zika virus or West Nile virus
False positive result	Technical errors or issues with the test methodology

 

Note: The possible causes listed above are not exhaustive and should be interpreted in conjunction with clinical evaluation and other laboratory findings.

 

Dengue IgG Test Negative Results

Here are possible causes of having Dengue IgG Negative.

 

Dengue IgG Negative	Possible Causes
No recent Dengue infection	The person has not been exposed to the Dengue virus
The early stage of Dengue infection	The body has not yet produced detectable levels of IgG antibodies
Late stage of Dengue infection	The body has already cleared the virus and IgG antibodies have decreased to undetectable levels
Immunosuppression	The person may have a weakened immune system that is unable to produce detectable levels of IgG antibodies
Incorrect timing of the test	The test may have been performed too soon after infection for the body to produce detectable levels of IgG antibodies

Summary

Positive result indicates past exposure to dengue virus, while a negative result suggests no previous infection or insufficient time for antibodies to develop.

 

Specimen Requirments For Dengue IgG Test

Here are the specimen requirements for the Dengue IgG Test.

Specimen	Blood Serum
Volume	1 ml
Container	Red-top tube or gel-barrier tub

 

Dengue IgG Test is Safe?

Yes, Dengue IgG Test is safe and carries minimal risk.

• It is a simple blood test that poses no significant health hazards.
• However, as with any blood test, there may be slight bruising or bleeding at the site of the needle prick, but these are generally minor and go away quickly.
• The test also involves the use of reagents and chemicals, which are safe when handled properly by trained professionals.

 

When Do You Get Dengue IgG Test Results?

Dengue IgG test results can typically be obtained within 24-48 hours of the blood draw.

• However, the exact time frame can vary depending on the laboratory and the testing method used.
• It's best to check with the laboratory or healthcare provider who ordered the test for more specific information on when you can expect to receive your results.

 

Dengue IgG Test Limitation

Here are some limitations of Dengue IgG Test.

• Limited ability to differentiate between primary and secondary infections.
• Cross-reactivity with other flaviviruses can lead to false-positive results.
• IgG antibodies may persist for months or years after infection, making it difficult to determine the timing of infection.
• Sensitivity may vary depending on the timing of the test in relation to symptom onset.
• Additional tests may be required for confirmation and to assess disease progression.

 

Dengue IgG Test Risk Factors

Here are risk factors associated with the Dengue IgG Test.

• Previous dengue infection increases the risk of positive IgG test.
• Living in or traveling to dengue-endemic regions.
• Exposure to mosquito bites in areas with dengue transmission.

 

Doctor Recommendations After Dengue IgG Test

Here are Doctor's recommendations or consult a specialist after the Dengue IgG Test.

Test Result	Doctor to Visit	Reason to Visit
Positive	Infectious Disease Specialist	Confirm dengue infection, discuss treatment options
Negative	Primary Care Physician	Evaluate other causes of symptoms

 

Dengue IgG Test Price

Here are the estimated Dengue IgG Test Price in India with top different cities:

City	Price Range (INR)*
Mumbai	1500 - 2000
New Delhi	1600 - 2000
Bangalore	1500 - 2000
Hyderabad	1600 - 2000
Kolkata	1500 - 2000
Pune	1600 - 2000
Lucknow	1600 - 2000
Noida	1500 - 2000
Surat	1600 - 2000
Gurugram	1500 - 2000
Patna	1600 - 2000
Chennai	1600 - 2000
Jaipur	1500 - 2000
Ahmedabad	1600 - 2000

*Prices are approximate and vary depending on a specific laboratory or healthcare facility.

 

Summary

Overall, Dengue IgG test is a one of trustable and safe blood test used to detect the presence of antibodies against the dengue virus, which can indicate a past infection or immunization. Also check Drlogy Test for detailed information about all medical tests for patients, doctors, scholers and medical students.

 

Reference

• Test ID: DENGM Dengue Virus Antibody, IgG and IgM, Serum [1].
• Significance of IgG optical density ratios (index value) in single reactive anti-Dengue virus IgG capture ELISA - NIH [2].