Myositis Profile (11 Antigens) (Myositis (11 Ag)) Test
About Myositis Profile (11 Antigens) (Myositis (11 Ag)) Test
| Field | Value |
|---|---|
| Also Known As | Myositis Specific Antibody (MSA) Panel, Myositis-Specific 11 Antibody Panel, Myositis Autoantibody Panel, Myositis Profile IgG 11 Antigens |
| Sample Type | Venous blood (serum) |
| Fasting Required | No fasting required |
| Report Time | 3 to 9 working days |
| Recommended For | Adults and children of any gender with suspected inflammatory muscle disease |
| Price | Starting at ₹5,000 |
What Is a Myositis Profile (11 Antigens) (Myositis (11 Ag)) Test?
The Myositis Profile (11 Antigens) Test is a blood test that detects specific autoantibodies — proteins the immune system mistakenly produces against the body's own muscle tissue. Doctors order this test when a patient shows signs of an autoimmune muscle condition. It is also known as the Myositis Autoantibody Panel or Myositis Specific Antibody (MSA) Panel. A small blood sample drawn from a vein is all that is needed.
What Does a Myositis Profile (11 Antigens) Test Measure?
The Myositis (11 Ag) Test screens for eleven specific autoantibodies, each linked to a particular type or feature of autoimmune muscle disease. The following table lists each antibody and its clinical relevance.
| Antibody | What It Indicates |
|---|---|
| Jo-1 | Linked to anti-synthetase syndrome: muscle inflammation, lung disease, and arthritis |
| PL-7 | Associated with myositis and lung inflammation |
| PL-12 | Linked to interstitial lung disease (scarring of lung tissue) |
| EJ | A rare anti-synthetase antibody associated with myositis |
| OJ | Another rare anti-synthetase antibody |
| Mi-2 | A classic marker for dermatomyositis (muscle inflammation with skin rash) |
| SRP (Signal Recognition Particle) | Found in severe autoimmune muscle disease |
| TIF1-γ | Associated with dermatomyositis and raised cancer risk |
| MDA5 | Linked to skin-prominent dermatomyositis and rapidly progressive lung disease |
| NXP2 | Associated with dermatomyositis |
| SAE1 | Specific to dermatomyositis |
Why Is a Myositis Profile (11 Antigens) Test Done?
This test is ordered when a doctor suspects an autoimmune muscle condition, based on a patient's symptoms and clinical history.
Common Symptoms That May Require This Test
The following symptoms are among the most common reasons a doctor may request this test:
- Progressive weakness in the muscles of the shoulders, hips, or thighs
- Difficulty rising from a low chair or the floor
- Trouble climbing stairs or lifting objects overhead
- Difficulty raising the arms to comb hair
- Unexplained muscle pain or cramping
- Persistent fatigue not explained by other causes
- Skin rashes appearing alongside muscle weakness
Conditions This Test Can Help Detect
A Myositis Profile (11 Antigens) Test can help identify several autoimmune conditions, including the following:
- Dermatomyositis: muscle inflammation accompanied by a characteristic skin rash
- Polymyositis: autoimmune inflammation affecting multiple muscle groups
- Inclusion body myositis: a slowly progressive muscle condition
- Necrotising autoimmune myopathy: severe muscle damage caused by immune activity
- Anti-synthetase syndrome: myositis occurring alongside lung disease and arthritis
- Overlap syndromes with connective tissue diseases such as lupus, Sjögren syndrome, or systemic sclerosis
How to Prepare and What to Expect
Preparation for this test is straightforward, and the procedure itself is quick and simple.
Do You Need to Fast?
No fasting is required. You can eat and drink as normal before your appointment. If your doctor has requested other tests alongside this one, check whether any of those require fasting.
Practical Tips Before Your Test
- Drink plenty of water beforehand — good hydration makes veins easier to locate
- Continue taking your regular medications unless your doctor advises otherwise
- Tell your doctor about all current medications, particularly any immunosuppressive drugs, as these can affect antibody levels
- Share your full medical history with your doctor to ensure accurate interpretation
- Rest well before your appointment; stress can affect how you feel during the procedure
- Wear a loose-fitting garment that allows easy access to the crook of your arm
Step-by-Step Procedure
Here is what to expect during sample collection:
- A trained phlebotomist ties a tourniquet around your upper arm to make the veins more visible.
- The skin over the chosen vein is cleaned with an antiseptic solution.
- A sterile needle is gently inserted into the vein to draw blood.
- Around 4 ml of blood is collected in a special gel collection tube.
- The needle is removed, and a small bandage is applied to the site.
- The sample is labelled and sent to the laboratory for processing.
Factors That Can Affect Accuracy
Certain factors may influence the reliability of your results:
- Immunosuppressive medications can reduce detectable antibody levels
- An active infection or ongoing inflammation may alter antibody readings
- Providing an incomplete medical history can make results harder to interpret
- Poor sample handling, such as haemolysed (broken red blood cells) or lipaemic (excess fat in blood) samples, can interfere with test accuracy
Understanding Your Myositis Profile (11 Antigens) Test Results
Results from this test must always be reviewed alongside your symptoms and clinical history. The table below shows general reference ranges used across most laboratories.
| Result Category | Units | Interpretation |
|---|---|---|
| Negative (all antibodies) | Less than 11 U/mL | No autoantibody detected |
| Weak Positive | 11 to 25 U/mL | Requires clinical correlation |
| Moderate Positive | >25 U/mL | Suggestive of autoimmune myositis |
| Positive (PL-7, PL-12, EJ, OJ, SRP, Mi-2) | Positive | Antibody detected; clinically significant |
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 circumstances can affect how results should be read:
If you are currently on immunosuppressive therapy, antibody levels may be reduced or undetectable, even if an underlying autoimmune condition is present. Active infections or systemic inflammation can also alter antibody readings. A negative result does not entirely rule out myositis, as some patients have the condition without producing any of the eleven antibodies tested in this panel.
How to Maintain Healthy Levels
The following general wellness steps support muscle and immune health:
- Keep regular follow-up appointments with your doctor if you have unexplained muscle weakness
- Report any new skin changes, worsening muscle weakness, or breathing difficulties promptly
- Eat a balanced diet with adequate protein to support muscle function and recovery
Lupin Diagnostics Myositis Profile (11 Antigens) Test Price and Home Collection
The Myositis Profile (11 Antigens) Test is available at Lupin Diagnostics starting at approximately ₹5,000, with home sample collection available across major cities. The table below shows prices of this test in major cities across India:
| City | Approximate Price (₹) |
|---|---|
| Mumbai | ₹10,000 |
| Navi Mumbai | ₹10,000 |
| Pune | ₹10,000 |
| Bangalore | ₹10,000 |
| Hyderabad | ₹10,000 |
| Chennai | ₹10,000 |
| Kolkata | ₹10,000 |
Prices are indicative and may vary by location. Please confirm the current price at the time of booking.
How to Book
- 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
Home collection for the Myositis (11 Ag) Test is available across cities, with a certified phlebotomist visiting your home at a time that suits you. All samples are processed in NABL-accredited laboratories that follow strict quality standards. Digital reports are shared via email or WhatsApp, so you can access them from anywhere.
Frequently Asked Questions
The Myositis Profile (11 Antigens) Test is used to identify specific autoantibodies associated with autoimmune muscle diseases. It helps doctors diagnose and classify conditions such as dermatomyositis, polymyositis, and anti-synthetase syndrome. Each antibody detected is linked to a particular disease pattern, which helps guide further clinical decisions.
No fasting is needed before this test. You can eat and drink normally on the day of your appointment. If your doctor has ordered additional tests at the same time, check with them whether any of those require fasting.
A positive result on a Myositis Autoantibody Panel means that one or more autoantibodies were detected in your blood. Each antibody is associated with a specific clinical pattern. Your doctor will use these findings, along with your symptoms and other test results, to reach a diagnosis. A positive result on its own is not a diagnosis.
No, a negative result cannot fully rule out myositis. Around half of all patients with polymyositis or dermatomyositis do not produce any of the known detectable autoantibodies. A doctor will consider your symptoms, physical examination, and other investigations before drawing any conclusion.
Antibodies such as anti-TIF1-γ and anti-NXP-2 have been found more frequently in patients who have both dermatomyositis and an underlying cancer. If these antibodies are detected, your doctor may recommend cancer screening as a precautionary measure. This is especially relevant for adults.
Results are typically available within 3 to 9 working days, depending on the laboratory. Some specialised antibody tests within the panel may take slightly longer to process. Lupin Diagnostics will inform you of the expected turnaround time at the time of booking.
Yes, the Myositis Profile (11 Antigens) Test is available for home collection in most major Indian cities. You can check availability and search for the Myositis Profile (11 Antigens) Test near me on the Lupin Diagnostics website, then choose a convenient time slot for a phlebotomist to visit your home.
Myositis Profile (11 Antigens) (Myositis (11 Ag)) Test: Booking, Price, and Results
