T3 Antibody Test
Also known as: T3 Antibodies Test, Triiodothyronine Antibody Test
T3 Antibody Test test available at DNA Labs India for ₹22,000. Uses Immunoassay on Serum samples. Results in 2-3 weeks after sample collection. Free home collection in 300+ cities across India.
🩺 Medically Reviewed By
Dr Ramarao Paidisetty
Consultant Biochemist · Reg: 21504
Last reviewed: September 7, 2026
Overview
To detect the presence of T3 antibodies, which indicate autoimmune thyroid disease, aiding in diagnosis and treatment monitoring.
- Test Code
- 1425
- Price
- ₹22,000
- Sample Type
- Serum
- Result Time
- 2-3 weeks after sample collection
- Fasting Required
- No
- Method
- Immunoassay
Sample Collection
Ensure the Test Send Out Consent Form (Form 35) is duly filled.
Method: Venipuncture
Laboratory Analysis
A healthcare professional will draw a blood sample from a vein in your arm.
Report Delivery
Apply pressure to the puncture site to stop bleeding. No special aftercare required.
Timeline: 2-3 weeks after sample collection
Patient Instructions
About This Test
Who Should Get This Test
To detect the presence of T3 antibodies, which indicate autoimmune thyroid disease, aiding in diagnosis and treatment monitoring.
How to Prepare
- Collect 2 mL of blood in an SST tube
- Ship refrigerated or frozen
- Avoid grossly hemolysed or lipemic samples
Doctor's Notes
Reviewed by Dr Ramarao Paidisetty — MBBS, MD (Biochemistry) · Reg. No. 21504
"T3 Antibody Test is crucial for diagnosing autoimmune thyroid conditions such as Hashimoto's thyroiditis and Graves' disease."
Last medically reviewed: September 7, 2026
Test Parameters & Specifications
Sample Stability
- Grossly hemolysed samples
- Lipemic samples
- Improperly labeled or insufficient sample
Understanding Your Results
No significant T3 antibodies detected, suggesting no autoimmune thyroid activity
Level: Normal
Elevated T3 antibodies may indicate autoimmune thyroid disease such as Hashimoto's thyroiditis or Graves' disease
Level: Elevated
If you experience symptoms of thyroid disorders or if your test results show abnormal levels, consult an endocrinologist for further evaluation and management.
Limitations
- ⚠Test results should be interpreted in conjunction with clinical symptoms and other thyroid tests
- ⚠May not detect all forms of autoimmune thyroid disease
- ⚠Reference ranges may vary between laboratories
Risks & Considerations
- ●Minor bruising or pain at the puncture site
- ●Rare risk of infection or hematoma
Interfering Factors
- ●Grossly hemolysed or lipemic samples
- ●Presence of other autoantibodies
- ●Recent thyroid treatment or medication
Frequently Asked Questions
What is the T3 Antibody Test?
Why is the T3 Antibody Test important?
What symptoms might indicate a need for this test?
How is the T3 Antibody Test performed?
Does the test require fasting?
What is the cost of the T3 Antibody Test in India?
How long does it take to get the results?
Is home sample collection available for this test?
What should I do if my results are abnormal?
Are there any risks associated with the test?
What is the reference range for T3 antibodies?
Can this test be used to monitor thyroid treatment?
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