HTLV I & II Antibodies Test: Booking, Price, and Results
About HTLV I & II Antibodies Test: Booking, Price, and Results
| Field | Value |
|---|---|
| Also Known As | HTLV-1/HTLV-2 antibody test, human T-cell lymphotropic virus test, HTLV I & II Ab test, and anti-HTLV I/II |
| Sample Type | Serum (venous blood) |
| Fasting Required | No fasting required |
| Report Time | 3 days (may extend if confirmatory testing is needed) |
| Recommended For | Adults of any gender with risk factors or symptoms linked to HTLV-associated conditions. |
| Price | Starting at ₹3,100 |
What Is a HTLV I & II Antibodies Test?
The HTLV I & II antibodies test detects immune proteins that the body produces in response to human T-cell lymphotropic virus types I and II. The test is also referred to as the HTLV-1/HTLV-2 antibody test, the human T-cell lymphotropic virus test, or anti-HTLV. It is prescribed when a doctor suspects an HTLV infection based on a patient's symptoms, or risk history or as part of blood donor screening. A small blood sample drawn from a vein is used for this test, and the result is reported as reactive or non-reactive.
What Does a HTLV I & II Antibodies Test Measure?
The HTLV I & II antibodies test looks for a specific type of immune protein called IgG antibodies. These antibodies are produced by the body's immune system when it encounters HTLV-1 or HTLV-2. Their presence in the blood indicates past or current exposure to one of these viruses.
The test reports the following:
| Parameter | What It Measures |
|---|---|
| HTLV I/II Antibodies screen | Presence or absence of antibodies to HTLV-1 and HTLV-2 (qualitative result). |
| HTLV I/II Antibodies confirmation | Differentiates between HTLV-1 and HTLV-2 infection when the screen is reactive. |
Why Is a HTLV I & II Antibodies Test Done?
Doctors order this test when a patient shows signs of conditions associated with HTLV infection or when someone has known risk factors for exposure. Blood banks also use it routinely to screen donated blood.
Common Symptoms That May Require This Test
The following symptoms may prompt a doctor to order this test:
- Progressive weakness or stiffness in the legs.
- Difficulty walking or maintaining balance.
- Bladder problems such as urinary incontinence.
- Lower back pain without a clear cause.
- Sensory changes in the arms or legs (numbness, tingling).
- Swollen lymph nodes
- Persistent skin infections or rashes.
Conditions This Test Can Help Detect
This test can assist in identifying several serious conditions linked to HTLV infection:
- Adult T-cell leukaemia/lymphoma (ATL), a cancer of white blood cells.
- HAM/TSP (HTLV-1-associated myelopathy/tropical spastic paraparesis), a progressive spinal cord disorder causing weakness and bladder problems.
- Uveitis (inflammation inside the eye)
- Inflammatory conditions such as arthritis, polymyositis, and thyroiditis.
- Infective dermatitis
HTLV I & II Antibodies Test During Pregnancy
Screening during pregnancy is particularly important in regions where HTLV is prevalent. The virus can pass from mother to child primarily through breastfeeding, though transmission before or during birth is also possible. In countries such as Japan and Brazil, prenatal screening programmes have successfully reduced mother-to-child transmission by guiding decisions around breastfeeding. Pregnant women with known risk factors should discuss testing with their doctor.
How to Prepare and What to Expect
No special preparation is needed before the HTLV I & II antibodies test. The process is straightforward and similar to a routine blood test.
Do You Need to Fast?
No fasting is required for this test. You may eat and drink normally before your appointment. There are no dietary restrictions associated with this test.
Practical Tips Before Your Test
Keep the following points in mind before your appointment:
- Bringing relevant medical records, previous test results as it may help your healthcare provider in interpreting the results.
- Inform the collecting professional about any medications you are currently taking.
- Mention if you have recently received any vaccinations, as this may affect the result.
- Share any relevant history such as blood transfusions, travel to HTLV-endemic regions (the Caribbean, South-Western Japan, parts of Africa and South America), or other risk exposures.
- Wear clothing with easy access to your forearm for the blood draw.
Step-by-Step Procedure
Here is what to expect during sample collection:
- A trained phlebotomist cleans the skin on your inner arm with an antiseptic solution.
- An elastic band is placed around the upper arm to make your vein more visible.
- A fine needle is gently inserted into a vein, and about 3 mL of blood is collected into a gel tube.
- The needle is removed, and gentle pressure is applied with cotton or gauze.
- A small bandage is placed on the puncture site, and you may resume normal activities immediately.
- The sample is labelled, stored at 2 to 8°C, and dispatched to the laboratory for testing using the EIA (enzyme immunoassay) method.
Factors That Can Affect Accuracy
Certain factors may influence the reliability of your result:
- Recent infection during the "window period" (antibodies may not yet be detectable).
- Recent vaccinations, which can sometimes cause cross-reactivity.
- Other infections such as malaria, syphilis, hepatitis, or CMV, which may produce false-positive screening results.
- Poor sample quality caused by haemolysis (broken blood cells), jaundice, or high fat content in the sample.
- Improper storage or delayed transport of the sample.
Understanding Your HTLV I & II Antibodies Test Results
Results from this test are reported as qualitative values rather than numerical ranges. Your doctor will review your results alongside your clinical history and other findings.
| Parameter | Expected Result |
|---|---|
| HTLV I/II Antibodies Screen | Non-reactive (negative) |
| HTLV I/II antibodies Confirmation | Negative |
A non-reactive screening result means no HTLV-1 or HTLV-2 antibodies were detected. A reactive screening result does not confirm infection on its own. Confirmatory testing is automatically performed on reactive samples to distinguish between HTLV-1 and HTLV-2, or to rule out a false-positive result. An indeterminate result may suggest early infection or a false reaction; repeat testing after 1 to 2 months is usually recommended.
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 are interpreted:
In some cases, cross-reactivity with other infections or medical conditions may lead to a reactive screening result in the absence of true HTLV infection. This is why confirmatory testing is recommended for reactive results. During early infection, antibodies may not yet be present in detectable quantities, so a negative result does not always rule out very recent exposure.
How to Maintain Healthy Levels
The following general steps can reduce the risk of HTLV transmission:
- Avoid sharing needles, syringes, or any equipment that may carry blood.
- Practise safe sex with barrier protection when a partner's HTLV status is unknown.
- In endemic regions, HTLV-positive mothers should speak with their doctor about safe infant feeding options.
Lupin Diagnostics HTLV I & II Antibodies Test Price and Home Collection
The HTLV I & II antibodies test is available at Lupin Diagnostics starting at ₹3,100, and home sample collection is available across multiple cities.
| City | Approximate Price (₹) |
|---|---|
| BHOPAL | 3100 |
| CHENNAI | 3100 |
| HYDERABAD | 3100 |
| KOLKATA | 3100 |
| NAVI MUMBAI | 3100 |
| PUNE | 3100 |
Prices are indicative and may vary by location. Please confirm the current price at the time of booking.
How to Book
Follow these steps to book the HTLV I & II antibodies test online:
- 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 HTLV I & II antibodies test across cities in India. All samples are processed in NABL-accredited laboratories by trained professionals, ensuring accurate and reliable results. Your digital report is delivered via email or WhatsApp within the turnaround time.
Frequently Asked Questions
HTLV (human T-lymphotropic virus) and HIV (human immunodeficiency virus) are both retroviruses, but they are distinct viruses that cause different infections. HTLV-1 has been associated with adult T-cell leukaemia/lymphoma (ATL) and certain neurological disorders, such as HTLV-1-associated myelopathy/tropical spastic paraparesis (HAM/TSP). The two viruses affect the body differently and are managed in separate ways.
HTLV spreads primarily through three routes: mother-to-child transmission (mainly through breastfeeding), sexual contact, and transfusion of infected or unscreened blood. Sharing needles during intravenous drug use is another significant route of transmission.
Most people with HTLV infection remain asymptomatic throughout their lives. A small proportion of infected individuals develop HTLV-associated diseases, including adult T-cell leukaemia/lymphoma (ATL) or HTLV-1-associated myelopathy/tropical spastic paraparesis (HAM/TSP). The virus integrates into the body's cells and persists as a lifelong infection regardless of whether symptoms appear.
Reports for the HTLV I & II antibodies test are typically delivered within 03 days. If the screening result is reactive and confirmatory testing is needed, additional time may be required before a final result is issued.
A reactive screening result does not confirm HTLV infection on its own. Because screening tests are highly sensitive, false-positive results can occur. If the screening result is reactive, confirmatory testing may be recommended or performed according to the laboratory's protocol to verify the result and determine whether HTLV-1 or HTLV-2 antibodies are present.
HTLV-1 and HTLV-2 establish lifelong infection, and there is currently no cure that eliminates the virus. However, medical care can help monitor and manage any associated conditions. Most people who test positive remain healthy carriers and do not develop disease. Consult your doctor for guidance specific to your situation.
HTLV I & II Antibodies Test: Booking, Price, and Results
