Dengue IgM Test to Check Dengue Fever Antibodies

The Dengue IgM test is used to detect the presence of IgM antibodies in the blood sample of a person suspected of having dengue fever. This test helps in confirming the diagnosis of dengue fever.

 

Dengue IgM Test

Here are the basic details for Dengue IgM Test.

Also Known As	Dengue Immunoglobulin M test
Type	Blood Test
Sample Type	Blood Serum
Preparation	No Special Preparation Required
Fasting	No
Gender	All
Age-Group	Any
Normal Value	Negative
Reporting Time	1- 3 Days
Cost	1500 - 2200 INR*

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

 

Dengue IgM Test Full Form

Full Form of Dengue IgM Test is Dengue Immunoglobulin M Test.

 

Dengue IgM Test Means

• The Dengue IgM test is a blood test used to detect the presence of IgM antibodies produced by the body in response to the Dengue virus.
• IgM antibodies are typically produced in the early stages of a Dengue infection and can be detected in the blood within 3-5 days after the onset of symptoms.
• The Dengue IgM test is often used to diagnose acute Dengue infections and can help distinguish Dengue from other viral infections that have similar symptoms.
• A positive result on the Dengue IgM test indicates that the person has recently been infected with the Dengue virus.
• However, a negative result on the Dengue IgM test does not necessarily rule out Dengue, as the test may not be accurate in the very early or late stages of the infection.
• Other tests, such as the Dengue NS1 antigen test or PCR test, may be used in conjunction with the Dengue IgM test to confirm a diagnosis of Dengue.
• Interpretation of Dengue IgM test results should be done in consultation with a healthcare provider.

Interesting Facts About Dengue IgM

• Dengue IgM is an antibody produced in response to dengue virus infection.
• IgM antibodies are typically detectable in the early stages of dengue infection.
• Testing for Dengue IgM helps in diagnosing recent dengue virus infection.

 

Who should get Dengue IgM Test?

Here are some groups of people who may be recommended to get a Dengue IgM Test:

• Individuals who have symptoms of dengue fever, such as fever, headache, muscle pain, joint pain, and rash
• People who have traveled to or live in areas where dengue fever is common
• Those who have been exposed to someone with a confirmed dengue fever diagnosis
• Individuals who have had a recent history of dengue fever and are experiencing a recurrence of symptoms
• Those who are being monitored for the progression of a dengue infection or the effectiveness of treatment.

 

Dengue IgM Test Purpose

Here are some purposes of the Dengue IgM Test.

• To diagnose a current or recent Dengue infection in people who have symptoms consistent with the disease, such as fever, headache, muscle pain, and rash.
• To confirm a suspected Dengue diagnosis based on clinical symptoms and other laboratory findings.
• To monitor the progression of a Dengue infection and evaluate the effectiveness of treatment.
• To assess a person's immune status to Dengue virus and determine if they have been recently infected with the virus.
• To help distinguish between primary and secondary Dengue infections.

 

 

Dengue IgM Test Preparation

Here is some preparation for Dengue IgM Test.

 

Before Test

• No special preparation is required for a Dengue IgM test.
• However, inform your doctor if you are taking any medications or have any medical conditions that may affect the results of the test.

 

During Test

• A blood sample will be taken from a vein in your arm using a sterile needle.
• The blood sample will be collected in a test tube or vial.

 

After Test

• In most cases, you can resume your normal activities immediately after a Dengue IgM test.
• Your doctor will discuss the results of the test with you and recommend any necessary follow-up care or treatment.

Summary

No specific preparation is needed for a Dengue IgM test; during the test, a blood sample is taken from a vein, and after the test, normal activities can be resumed while awaiting test results and follow-up care recommendations from the doctor.

 

Dengue IgM Test Procedure

Here is the Dengue IgM test procedure.

• A healthcare professional will collect a blood sample from a vein in your arm using a sterile needle.
• The collected blood sample is sent to a laboratory for analysis.
• In the laboratory, the blood sample is centrifuged to separate the serum from the blood cells.
• The Dengue IgM test is performed on the serum sample using an ELISA (enzyme-linked immunosorbent assay) kit.
• The kit contains specific antibodies that bind to the Dengue virus IgM antibodies if they are present in the serum.
• If Dengue virus IgM antibodies are present in the serum, they will bind to the specific antibodies in the kit and produce a color change.
• The color change is measured by a spectrophotometer, and the results are reported as positive or negative.
• The test results are interpreted by a healthcare professional, who will discuss them with you and recommend any necessary follow-up care or treatment.

 

Dengue IgM Test Result

• Interpretation or result of Dengue IgM test results should be made in consultation with a healthcare provider who can take into account other clinical and laboratory findings.
• A positive Dengue IgM test result indicates that the person has recently been infected with the Dengue virus.
• A negative Dengue IgM test result does not necessarily rule out a Dengue infection, as it may take a few days for detectable levels of the IgM antibody to appear in the blood.

 

Dengue IgM Test Report

Dengue IgM Test Report PDF

 

Dengue IgM Test Positive Report

Dengue IgM Positive Test Report PDF Format

Dengue IgM Test Positive Result Report PDF

 

Dengue IgM Test Negative Report

Dengue IgM Negative Test Report PDF Format

Dengue IgM Test Negative Result Report PDF

 

Dengue IgM Test Normal Range

Dengue Fever Virus Antibody IgM	Normal Range
<= 1.64 IV	Negative
1.65-2.84 IV	Equivocal
>= 2.85 IV	Positive

 

Dengue IgM Test Interpretation

Dengue Fever Virus Antibody, IgM	Interpretation
Negative	No significant level of detectable dengue fever virus IgM antibody.
Equivocal	Questionable presence of antibodies. Repeat testing in 10-14 days may be helpful.
Positive	IgM antibody to dengue fever virus detected, which may indicate a current or recent infection. However, low levels of IgM antibodies may occasionally persist for more than 12 months post-infection.

 

Dengue IgM Positive Means

Here are the possible causes for Dengue IgM Positive results.

Dengue IgM Positive	Possible Causes
Recent dengue infection	Infection with dengue virus (serotypes 1-4)
Cross-reactivity	Infection with another flavivirus (e.g. Zika virus)
False positive	Technical errors in the test or sample handling
Persistent IgM	Rare cases of prolonged IgM production after infection

Note: It's important to interpret the Dengue IgM test results in conjunction with other clinical and laboratory findings and consider the patient's travel history, exposure to mosquitoes, and other risk factors for dengue virus infection.

 

Dengue IgM Negative Means

Here are the possible causes for Dengue IgM Negative results.

Dengue IgM Negative	Possible Causes
No current dengue infection	No recent exposure to dengue virus or early infection stage
False-negative	Technical errors in the test or sample handling or low level of IgM antibody
Cross-reactivity	Previous exposure to other flaviviruses (e.g. West Nile virus, Yellow fever virus)
Interference	Presence of interfering substances in the sample, such as rheumatoid factor
Early infection stage	The time between infection and detectable IgM antibodies is still within the window

Summary

Positive result indicates recent or current infection with the dengue virus. Negative result indicates no current or recent infection with the dengue virus.

 

Specimen Requirments For Dengue IgM Test

Here are the specimen requirements for the Dengue IgM Test.

Specimen	Blood Serum
Volume	1 ml
Container	serum Separator tube

 

Dengue IgM Test is Safe?

Yes, the Dengue IgM test is generally considered safe as it is a blood test and does not involve any invasive procedures or the use of radiation. However, like any blood test, there may be some minor risks such as:

• Pain or discomfort at the site where the needle is inserted
• Bruising or bleeding at the site where the needle is inserted
• Dizziness or fainting
• Infection, although this is very rare and can usually be prevented by using sterile equipment

It is important to follow any instructions given by the healthcare provider or laboratory personnel to minimize these risks.

 

When Do You Get Dengue IgM Test Results?

Here are some key points on when you can expect to get your Dengue IgM test results:

• The Dengue IgM test usually takes a few days to a week to get results.
• Some labs may offer rapid Dengue IgM tests that provide results within a few hours.
• The time it takes to receive the results may depend on the lab's workload and testing method.
• Your healthcare provider will typically contact you once the results are available, either by phone or in person.
• In some cases, you may be able to access your test results through an online portal or mobile app provided by the lab or healthcare provider.

 

Dengue IgM Test Limitation

Here are some limitations of Dengue IgM Test.

• Limited specificity, leading to false-positive results.
• IgM antibodies can persist for months after infection, making it difficult to determine the timing of infection.
• Cross-reactivity with other flaviviruses, such as Zika or West Nile virus, can cause false-positive results.

 

Dengue IgM Test Risk Factors

Here are risk factors associated with the Dengue IgM Test.

• Recent travel to a dengue-endemic area.
• History of dengue infection or exposure.
• Presence of symptoms consistent with dengue fever.

 

Doctor Recommendations After Dengue IgM Test

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

Test Result	Doctor to Visit	Reason to Visit
Positive	Infectious Disease Specialist	Confirm diagnosis, monitor symptoms
Negative	Primary Care Physician	Evaluate other causes of symptoms, follow-up

 

Dengue IgM Test Price

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

City	Price Range (INR)*
Mumbai	1500 - 2200
New Delhi	1600 - 2200
Bangalore	1500 - 2200
Hyderabad	1600 - 2200
Kolkata	1500 - 2200
Pune	1600 - 2200
Lucknow	1600 - 2200
Noida	1500 - 2200
Surat	1600 - 2200
Gurugram	1500 - 2200
Patna	1600 - 2200
Chennai	1600 - 2200
Jaipur	1500 - 2200
Ahmedabad	1600 - 2200

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

 

Summary

Overall, Dengue IgM test is a one of best blood test used to detect the presence of IgM antibodies in response to the Dengue virus and helps confirm the diagnosis of Dengue fever. Also check Drlogy Test for detailed information about all medical tests for patients, doctors, scholers and medical students.

 

Reference

• Dengue Fever - Wikipedia [1].
• Estimation of Dengue Virus IgM Persistence Using Regression Analysis [2].