HSV-1+2 IgM Antibodies Test
About HSV-1+2 IgM Antibodies Test
| Field | Value |
|---|---|
| Also Known As | HSV 1 & 2 IgM Test, Herpes Simplex Virus Type 1 and 2 IgM Antibodies, HSV IgM Serology, Herpes IgM Test |
| Sample Type | Serum (venous blood) |
| Fasting Required | No fasting required |
| Report Time | 1 day |
| Recommended For | All genders; adults and adolescents with suspected recent HSV exposure or symptoms |
| Price | Starting at ₹750 |
What is an HSV-1+2 IgM Antibodies Test?
The HSV-1+2 IgM antibodies test is a blood test that checks for the presence of IgM antibodies against the herpes simplex virus. IgM antibodies are proteins produced by the immune system shortly after a new infection. The test is used to identify a recent or active herpes simplex virus infection, covering both HSV-1 (associated with oral herpes) and HSV-2 (associated with genital herpes). It is also known as the Herpes IgM Test or HSV IgM Serology.
What Does an HSV-1+2 IgM Antibodies Test Measure?
This test detects a specific type of antibody produced in response to herpes simplex virus infection. The table below explains what is assessed.
| Component | What it Tells You |
|---|---|
| HSV-1+2 IgM Antibodies | Indicates whether the immune system has recently responded to an HSV infection |
IgM antibodies are typically the first to appear in the blood after exposure to the virus. They can be detected from around 9 to 10 days after infection and may remain in the blood for six to eight months. This test covers both HSV type 1 and HSV type 2, but cannot tell the two types apart.
Why is an HSV-1+2 IgM Antibodies Test Done?
A doctor may order this test when a patient presents with symptoms that suggest a recent herpes simplex virus infection.
Common Symptoms That May Require This Test
The following symptoms are among the most common reasons a doctor may request this test:
- Blisters or sores on the mouth, lips, or face
- Blisters or sores on the genitals, anus, or buttocks
- Pain, burning, or tingling in the affected area
- Fever and flu-like symptoms accompanying a skin outbreak
- Swollen lymph glands near the site of sores
- Unusual discharge or discomfort in the genital area
- Recurring sores in areas associated with herpes infection
Conditions This Test Can Help Detect
This test may help identify the following conditions:
- Recent or active herpes simplex virus infection (HSV-1 or HSV-2)
- Orolabial infection, also known as cold sores or fever blisters
- Genital herpes infection in adults
- Gingivostomatitis (inflammation of the gums and mouth) linked to HSV
- Eye infections (keratitis) associated with herpes simplex virus
- Aseptic meningitis caused by HSV
- Neonatal herpes (in newborns of affected mothers)
- Disseminated HSV infection in immunocompromised individuals
How to Prepare and What to Expect
No special preparation is needed for the HSV-1+2 IgM antibodies test procedure, but there are a few simple steps that make the process easier.
Do You Need to Fast?
No fasting is required before this test. You can eat and drink normally before your appointment.
Practical Tips Before Your Test
Keep the following points in mind before your sample is collected:
- Bring a detailed clinical history, including your symptoms, previous test results, and any relevant medical records, as this is required for the test.
- Inform your doctor about all medications you are currently taking, as some may affect antibody levels.
- Stay well hydrated before the blood draw to make the process easier.
- Let your doctor know about any recent infections or illnesses.
- Wear clothing with loose or short sleeves for easy access to your arm.
Step-by-Step Procedure
Here is what typically happens during the HSV-1+2 IgM antibodies test procedure:
- A healthcare professional will ask you to sit comfortably and will roll up your sleeve to expose your forearm.
- An elastic band is tied around your upper arm, or you may be asked to make a fist, to make the veins easier to locate.
- A small needle is gently inserted into a vein, and around 3 ml of blood is collected into a gel tube.
- The needle is withdrawn, and a small swab or bandage is placed over the site.
- The blood sample is labelled and stored under refrigeration before being sent to the laboratory.
- In the lab, the sample is analysed using an enzyme immunoassay (EIA) method to detect IgM antibodies against HSV.
Factors That Can Affect Accuracy
The following factors may influence the accuracy of your results:
- Testing too soon after exposure may produce a false-negative result, as IgM antibodies take around 9 to 10 days to become detectable.
- Cross-reactivity with related viruses, such as varicella zoster virus (which causes chickenpox) or cytomegalovirus, may cause a false-positive result.
- The presence of rheumatoid factor in the blood can also affect the outcome.
- A weakened immune system may alter the body's antibody response and affect results.
- Recent vaccination with live viral vaccines may influence the test outcome.
Understanding Your HSV-1+2 IgM Antibodies Test Results
Your results should always be reviewed with a doctor, who will consider them alongside your symptoms and medical history. The table below shows the general reference ranges used to interpret this test.
| Result | Index Value | Interpretation |
|---|---|---|
| Negative | Less than 0.90 | No IgM antibodies detected; recent HSV infection is unlikely |
| Equivocal | 0.90 to 1.09 | Borderline result; repeat testing after 1 to 3 weeks is recommended |
| Positive | Greater than 1.09 | IgM antibodies detected; suggests a recent or active HSV infection |
Disclaimer: These ranges are general guidelines. Your doctor will interpret your results based on your age, health history, and other factors. Always consult a qualified healthcare professional for personalised medical advice.
Results During Special Conditions
Certain factors may affect how results are interpreted:
- Cross-reactivity with other viruses in the herpes family, such as varicella zoster virus or cytomegalovirus, can produce false-positive readings.
- Individuals with rheumatoid factor in their blood may receive inaccurate results and should inform their doctor.
- People with a weakened immune system (for example, those on immunosuppressive therapy) may produce lower antibody levels, which could affect detection.
- A positive IgM result alongside a positive IgG result may suggest a recurrent episode rather than a new infection.
How to Maintain Healthy Levels
The following general wellness steps may help support immune health and reduce the risk of HSV transmission:
- Practice safe sex and use barrier protection consistently.
- Avoid direct skin contact with active herpes sores.
- Support your immune system through a balanced diet, adequate sleep, and regular physical activity.
Lupin Diagnostics HSV-1+2 IgM Antibodies Test Price and Home Collection
The HSV-1+2 IgM antibodies test is available at Lupin Diagnostics starting at ₹750, with home sample collection available across multiple cities.
| City | Approximate Price (₹) |
|---|---|
| BHOPAL | 750 |
| CHENNAI | 750 |
| HYDERABAD | 750 |
| KOLKATA | 750 |
| NAVI MUMBAI | 750 |
| PUNE | 750 |
Disclaimer: Prices are indicative and may vary by location. Please confirm the current price at the time of booking.
How to Book
Follow these steps for the HSV-1+2 IgM antibodies test online booking:
- Select the test on the Lupin Diagnostics website.
- Choose your city and preferred time slot.
- Opt for home sample collection by a certified phlebotomist, or visit your nearest Lupin Diagnostics centre.
- Receive your report via email or WhatsApp within the stipulated turnaround time.
Home Collection
Lupin Diagnostics offers home sample collection for the HSV-1+2 IgM antibodies test across cities in India. All samples are processed in NABL-accredited laboratories by trained technologists. Your digital report is shared securely via email or WhatsApp once ready.
Frequently Asked Questions
IgM antibodies appear first after a new herpes infection and are usually detectable from around 9 to 10 days after exposure. IgG antibodies develop later and remain in the body for life, indicating past exposure to the virus. The HSV-1+2 IgM antibodies test is used to look for a recent infection, while IgG testing is used to confirm prior exposure.
No, this test cannot distinguish between HSV-1 and HSV-2. The IgM antibodies it detects are not type-specific, meaning a positive result does not confirm which type of virus is responsible. Type-specific IgG testing or PCR testing from a lesion sample is needed to tell the two types apart.
IgM antibodies take approximately 9 to 10 days to become detectable in the blood after exposure. Testing too early may give a false-negative result. Your doctor will advise you on the most appropriate time to test based on your symptoms and likely exposure date.
A positive HSV IgM antibody test result generally suggests a recent or active herpes simplex virus infection. However, a positive result should always be interpreted alongside your symptoms and other tests. Your doctor may recommend confirmatory testing, such as HSV IgG or PCR testing, before reaching a diagnosis.
This test carries very little risk. You may feel a brief sting when the needle is inserted, and there may be slight tenderness at the site afterwards. Rarely, the puncture site may become infected. There are no serious risks associated with a routine blood draw.
An equivocal result falls in the borderline range of 0.90 to 1.09 Index Value. This means the test cannot confirm or rule out infection at this time. Your doctor will typically recommend repeating the test after one to three weeks to obtain a clearer result.
Yes, individuals who may have been recently exposed to HSV can be tested even without visible symptoms. IgM antibodies may still be present in the blood following an asymptomatic infection. If you believe you have been exposed, speak with your doctor about whether testing is appropriate for you.
HSV-1+2 IgM Antibodies Test
