Anti IA-2; Insulinoma Associated Antigen Test: Booking, Price, and Results
About Anti IA-2; Insulinoma Associated Antigen Test
| Field | Value |
|---|---|
| Also Known As | IA-2 Antibody Test, Anti-IA-2 Antibodies Test, ICA-512 Antibody Test, Islet Antigen-2 Autoantibody Test, Tyrosine Phosphatase Antibodies Test |
| Sample Type | Serum (venous blood) |
| Fasting Required | Not required |
| Report Time | 4 days |
| Recommended For | All ages and genders; particularly useful in children, adolescents, and adults with suspected autoimmune diabetes |
| Price | Starting at ₹6,500 |
What is an Anti IA-2; Insulinoma Associated Antigen Test?
The anti IA-2; insulinoma associated antigen test detects autoantibodies (immune proteins that mistakenly attack the body's own tissues) directed against a protein found in the insulin-producing cells of the pancreas. It is used to identify autoimmune diabetes and to distinguish it from other types of diabetes. A small blood sample is collected from a vein in the arm, and the serum is sent to a specialised laboratory for analysis. The test is also known as the IA-2 antibody test, anti-IA-2 antibodies test, ICA-512 antibody test, islet antigen-2 autoantibody test, or tyrosine phosphatase antibodies test.
What Does an Anti IA-2; Insulinoma Associated Antigen Test Measure?
The test measures a single autoantibody marker in the blood. The table below explains what is being detected and why it matters:
| Component | What It Is | Why It Matters |
|---|---|---|
| IA-2 Autoantibody (IA-2A) | An immune protein that attacks IA-2, a protein found on insulin-producing pancreatic beta cells | Its presence signals autoimmune activity directed at the pancreas, supporting a diagnosis of type 1 diabetes or related autoimmune diabetes |
IA-2, also called ICA512, is a protein found on the membranes of the granules that store insulin in the pancreas. When the immune system produces antibodies against it, beta cell destruction follows, eventually reducing the body's ability to produce insulin.
Why is an Anti IA-2; Insulinoma Associated Antigen Test Done?
Doctors order this test to investigate symptoms of diabetes, confirm the type of diabetes in a newly diagnosed patient, or assess risk in those with a family history of type 1 diabetes.
Common Symptoms That May Require This Test
- Excessive thirst and increased fluid intake
- Frequent urination, especially at night
- Unexplained weight loss despite normal or increased appetite
- Persistent fatigue and lack of energy
- Blurred vision
- Slow-healing wounds or cuts
- Recurrent infections
Conditions This Test Can Help Detect
- Type 1 Diabetes Mellitus: The presence of IA-2 autoantibodies in a person with diabetes strongly suggests an autoimmune cause, pointing to type 1 rather than type 2 diabetes.
- Latent Autoimmune Diabetes in Adults (LADA): A form of slowly progressing autoimmune diabetes that initially resembles type 2 diabetes but carries autoimmune markers including IA-2 antibodies.
- Pre-Diabetes Risk Assessment: In relatives of people with type 1 diabetes, the presence of multiple autoantibodies, including IA-2A, indicates a significantly elevated risk of developing the condition in the future.
How to Prepare and What to Expect
No special preparation is needed before the anti IA-2; insulinoma associated antigen test. The process is straightforward and takes only a few minutes.
Do You Need to Fast?
No, fasting is not required before the anti IA-2; insulinoma associated antigen test. You can eat and drink normally on the day of the test. If you are having additional tests at the same time, ask your doctor whether any of those require fasting.
Practical Tips Before Your Test
- 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 and supplements you are currently taking, as some may affect results
- Avoid exposure to radioactive substances for at least 24 hours before sample collection
- Carry previous diabetes-related reports if available, including blood glucose and HbA1c results
- Stay well-hydrated before your appointment
Step-by-Step Procedure
Here is what to expect during sample collection:
- A trained phlebotomist will ask you to sit comfortably and extend your arm.
- The skin over the vein is cleaned with an antiseptic wipe.
- An elastic band is placed around the upper arm to make the vein more visible.
- A small blood sample (3 ml) is drawn into a serum separator tube.
- The tourniquet is removed, and a small cotton swab is placed over the site to stop any minor bleeding.
- The sample is refrigerated and transported to a specialised laboratory, where serum is separated and processed using an enzyme immunoassay (EIA) method.
Factors That Can Affect Accuracy
The following factors may affect the reliability of your result:
- Haemolysed (broken red blood cell), icteric (yellowed), or lipaemic (fatty) samples
- Incorrect sample type
- Samples not stored or transported at the correct temperature
- Recent exposure to radioactive isotopes
- Testing very early in the disease process, before antibodies have developed
Understanding Your Anti IA-2; Insulinoma Associated Antigen Test Results
Your results should always be reviewed with a qualified doctor who can place them in the context of your symptoms, medical history, and other test findings. The table below shows general reference ranges:
| Parameter | Negative (Normal) | Positive (Raised) | Unit |
|---|---|---|---|
| IA-2 Autoantibody | 0.0 to 7.4 | 7.5 and above | Units/mL |
A negative result suggests no detectable autoantibodies against IA-2. A positive result indicates the presence of autoimmune activity targeting the pancreas, which is associated with type 1 diabetes or LADA.
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
- IA-2 antibody levels tend to decline with age in patients with established type 1 diabetes, so a negative result in an older patient does not rule out the condition.
- These autoantibodies are more commonly detected in younger patients, particularly those with a specific genetic marker called HLA DR4/DQ8.
- Testing very early in the disease process, before antibodies have developed to detectable levels, may yield a negative result despite ongoing autoimmune activity.
How to Maintain Healthy Levels
While autoantibodies cannot be controlled through lifestyle changes alone, the following general habits support overall metabolic health:
- Eat a balanced diet that includes whole grains, vegetables, lean proteins, and healthy fats, while limiting processed foods and added sugars
- Engage in regular physical activity, such as brisk walking or cycling, for at least 30 minutes on most days
- If you have a family history of type 1 diabetes, speak with your doctor about periodic screening and monitoring options
Lupin Diagnostics Anti IA-2; Insulinoma Associated Antigen Test Price and Home Collection
The anti-IA-2 insulinoma associated antigen test cost starts at ₹6,500 at Lupin Diagnostics, with home sample collection offered across major cities. The table below shows indicative prices:
| City | Approximate Price (₹) |
|---|---|
| BHOPAL | 6500 |
| CHENNAI | 6500 |
| HYDERABAD | 6500 |
| KOLKATA | 6500 |
| NAVI MUMBAI | 6500 |
| PUNE | 6500 |
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 anti-IA-2 insulinoma associated antigen 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.
Frequently Asked Questions
The anti IA-2; insulinoma associated antigen test is used to detect autoimmune activity directed at the insulin-producing cells of the pancreas. It helps doctors confirm whether a person has type 1 diabetes or a related condition called LADA, rather than type 2 diabetes. It can also assess the risk of developing type 1 diabetes in people who carry these autoantibodies but are not yet symptomatic.
This test is recommended for people newly diagnosed with diabetes where the type is uncertain, those with a strong family history of type 1 diabetes, and individuals showing symptoms such as unexplained weight loss, excessive thirst, and fatigue that suggest autoimmune diabetes. Your doctor will advise whether this test is appropriate for your situation.
No fasting is required. You can eat and drink as normal before your appointment. However, always let your doctor and the phlebotomist know about any medications or supplements you are taking.
Several autoantibody markers exist for type 1 diabetes, including GAD antibodies, insulin autoantibodies (IAA), and ZnT8 antibodies. The anti IA-2; insulinoma associated antigen test measures one specific marker. Doctors often order two or more of these tests together, as the combination increases diagnostic accuracy and the ability to predict disease development.
Not entirely. A negative IA-2 result does not rule out type 1 diabetes, as some patients are positive for other autoantibodies but negative for IA-2A. In people with long-standing disease, antibody levels may also decline over time. Your doctor may order additional autoantibody tests alongside this one to get a clearer picture.
A positive anti IA-2; insulinoma associated antigen test result indicates autoimmune activity against the pancreas and is associated with an increased risk of developing or having type 1 diabetes. Your doctor will recommend appropriate monitoring and next steps based on your overall clinical picture.
The report for the anti IA-2; insulinoma associated antigen test at Lupin Diagnostics is delivered within 4 days. You will receive your report digitally through email or WhatsApp once it is ready.
Anti IA-2; Insulinoma Associated Antigen Test
