HSV-2 IgG and IgM Antibodies Panel Test
About HSV-2 IgG and IgM Antibodies Panel Test
| Field | Value |
|---|---|
| Also Known As | HSV-2 Antibody Panel, Herpes Simplex Virus Type 2 IgG/IgM Test, Genital Herpes Antibody Test, HSV-2 Serology Test |
| Sample Type | Serum (venous blood) |
| Fasting Required | No fasting required |
| Report Time | 1 day |
| Recommended For | All adults, particularly those with genital herpes symptoms, individuals with an HSV-2 positive partner, or anyone undergoing STI screening |
| Price | Starting at ₹1,200 |
What is an HSV-2 IgG and IgM Antibodies Panel Test?
The HSV-2 IgG and IgM antibodies panel test is a blood test that checks for antibodies produced by the immune system in response to herpes simplex virus type 2 (HSV-2). HSV-2 is the virus most commonly associated with genital herpes. This test helps determine whether a person has had a recent or past HSV-2 infection. A small blood sample drawn from a vein in the arm is used for the test. This test is also known as the HSV-2 antibody panel, the herpes simplex virus type 2 IgG/IgM test, the genital herpes antibody test, or the HSV-2 serology test.
What Does an HSV-2 IgG and IgM Antibodies Panel Test Measure?
The HSV-2 IgG and IgM antibodies panel test checks for two distinct types of antibodies, each giving different information about the stage of infection. Here is what each component measures:
| Antibody | What It Indicates |
|---|---|
| HSV-2 IgM | Produced early in the immune response; suggests a recent or active infection. Typically detectable 9 to 10 days after exposure and may last 7 to 14 days. |
| HSV-2 IgG | Produced later in the immune response; suggests a past or longstanding infection. Detectable from around day 21 onwards and persists for life. |
Why is an HSV-2 IgG and IgM Antibodies Panel Test Done?
A doctor may recommend this test for various reasons, including confirming an active infection, assessing past exposure, or as part of routine STI screening.
Common Symptoms That May Require This Test
The following symptoms are among the most common reasons a doctor may order this test:
- Small blisters that burst and leave open sores around the genitals, anus, thighs, or buttocks
- Burning or itching in the genital area, sometimes followed by blister formation
- Pain when passing urine
- Tingling sensations in the genital area
- Flu-like symptoms such as fever, headache, and fatigue
- Unusual genital discharge
- General feeling of being unwell, including leg pain
Conditions This Test Can Help Detect
This test can provide information about several conditions and risk factors:
- Active or recent genital herpes caused by HSV-2 (detected by IgM antibodies)
- Past or longstanding HSV-2 infection (detected by IgG antibodies)
- Asymptomatic HSV-2 carrier status, where a person has the virus but no visible symptoms
- Increased risk of HIV acquisition, which has been associated with HSV-2 infection
How to Prepare and What to Expect
No special preparation is needed for the HSV-2 IgG and IgM antibodies panel test. The process is straightforward and quick.
Do You Need to Fast?
No fasting is required for this test. You can eat and drink as normal before your appointment. Always follow any specific instructions provided by your doctor.
Practical Tips Before Your Test
Keep these points in mind before going for your test:
- Bring a detailed clinical history including your symptoms, previous test results, and any relevant medical background, as this is required for the test.
- Inform your doctor about any medications you are currently taking, as some can affect results.
- Discuss your symptoms and any possible exposure history openly with your doctor before testing.
- Be aware that antibodies may take 2 weeks to 3 months to appear after infection. If initial results are negative and recent exposure is suspected, repeat testing at 12 weeks is advisable.
Step-by-Step Procedure
The HSV-2 IgG and IgM antibodies panel test procedure involves a simple blood draw:
- A trained phlebotomist will ask you to sit comfortably and roll up your sleeve.
- The area around a vein in your arm is cleaned with an antiseptic swab.
- A soft elastic band is tied around your upper arm to make the vein easier to locate.
- A fine needle is gently inserted, and a small blood sample, around 3 ml, is collected into a tube.
- The needle is removed, and light pressure is applied to the site. The procedure typically takes no more than five minutes.
- The sample is labelled and transported under refrigeration to the laboratory for analysis using the EIA (enzyme immunoassay) method.
Factors That Can Affect Accuracy
Several factors can influence the reliability of your results:
- Testing too soon after exposure, before antibodies have developed (the window period can be 2 weeks to 3 months)
- Other recent viral infections, which may cause cross-reactive IgM responses
- A weakened immune system, which may delay or reduce the antibody response
- Laboratory methodology and the specific assay used
Understanding Your HSV-2 IgG and IgM Antibodies Panel Test Results
Your results should always be reviewed with a qualified doctor who can interpret them in the context of your symptoms and medical history. The table below shows general reference ranges:
| Parameter | Result | Index Value |
|---|---|---|
| HSV-2 IgG | Negative | Less than 0.90 |
| HSV-2 IgG | Equivocal (borderline) | 0.90 to 1.10 |
| HSV-2 IgG | Low Positive (confirmatory testing advised) | 1.10 to 3.50 |
| HSV-2 IgG | Positive | Greater than 1.10 |
| HSV-2 IgM | Negative | Less than 0.90 |
| HSV-2 IgM | Equivocal (borderline) | 0.90 to 1.10 |
| HSV-2 IgM | Positive (suggests recent or active infection) | Greater than 1.10 |
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 situations can affect how results should be read:
IgM antibodies can reappear during a recurrence of symptoms in some individuals yet may be absent in up to half of those who have recently acquired the infection. This makes IgM results alone unreliable for diagnosis, and the CDC advises against using IgM tests as a standalone diagnostic tool.
Other viral infections, such as parvovirus B19, can cause falsely elevated HSV IgM levels. Individuals with a weakened immune system may also show delayed or reduced antibody responses, making results harder to interpret without clinical context.
How to Maintain Healthy Levels
These general wellness tips support sexual health:
- Practise safe sexual behaviours, including consistent use of barrier methods.
- Communicate openly with partners about STI testing and status.
- Seek prompt medical attention if any symptoms appear, rather than waiting for them to resolve.
Lupin Diagnostics HSV-2 IgG and IgM Antibodies Panel Test Price and Home Collection
The HSV-2 IgG and IgM antibodies panel test cost at Lupin Diagnostics starts at ₹1,200, with home collection available across major Indian cities. The table below shows indicative prices:
| City | Approximate Price (₹) |
|---|---|
| BHOPAL | 1200 |
| CHENNAI | 1200 |
| HYDERABAD | 1200 |
| KOLKATA | 1200 |
| NAVI MUMBAI | 1200 |
| PUNE | 1200 |
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 HSV-2 IgG and IgM antibodies panel 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
The HSV-2 IgG and IgM antibodies panel test home collection service is available across cities, letting you get tested from the comfort of your home. All samples are processed in NABL-accredited laboratories by trained professionals. Digital reports are delivered securely via email or WhatsApp, usually within one day.
Frequently Asked Questions
IgM antibodies are produced early in the immune response and suggest a recent or active infection. They typically decline after a few weeks to months. IgG antibodies develop later and indicate a past or longstanding infection. Once present, IgG antibodies persist for life.
Antibodies generally appear 2 to 6 weeks after infection. However, HSV-2 IgG antibodies may take up to 12 to 16 weeks to reach reliably detectable levels. If your initial HSV-2 IgG and IgM antibodies panel test is negative but recent exposure is suspected, your doctor may recommend repeating the test at 12 weeks.
Not always. A negative result may mean there is no infection, but it could also mean the test was done during the window period before antibodies have developed. A negative serological test does not exclude past infection entirely. If recent exposure is suspected, your doctor may advise retesting.
According to CDC guidelines, HSV-2 IgG index values between 1.1 and 3.0 carry a higher risk of false-positive results. In these cases, a second confirmatory method is recommended before a definitive diagnosis is made.
Yes. Some individuals carry HSV-2 without ever noticing symptoms. Despite having no visible signs of infection, they may still shed the virus intermittently. This is one reason why antibody testing is a useful tool during STI screening, even in the absence of symptoms.
Routine serological HSV-2 screening is not recommended for all pregnant women by major health bodies, including the CDC and USPSTF. Testing may be considered in specific situations, such as when a partner has a known HSV-2 infection. Speak to your doctor for advice tailored to your circumstances.
HSV-2 IgG and IgM Antibodies Panel Test
