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Choose collection locationEndocrinology · Individual laboratory test
Anti-Thyroid Peroxidase Antibody (Anti-TPO)
Anti-TPO measures antibodies to an enzyme used to make thyroid hormones. It may support an investigation of autoimmune thyroid disease.
Price for this test on its ownAED 195Test price AED 95
Clinical authorDr Nirupama SabhapathySpecialist Clinical Pathology
- Sample
- Serum
- Laboratory turnaround
- 24 hours
- Collection
- Dubai
- Laboratory
- Intel Lab
Understanding the test
What does the Anti-TPO test measure?
Also called Thyroid Autoantibody (Anti-TPO)
A clinician may measure anti-TPO to help explain a change in thyroid function or assess whether an autoimmune process is likely.
When it may be requested
Explaining a thyroid pattern
This antibody can support an autoimmune explanation for an abnormal thyroid function test.
Following thyroid function
If antibodies are present, a clinician may track TSH over time to see whether the gland's output changes.
Before your sample
Prepare for collection
SpecimenSerum
Your checklist
Anti-TPO alone requires no fast. Give the team your thyroid treatment and biotin supplement details, particularly when thyroid hormone measurements share the draw.
A clinician takes a small sample of blood from a vein. The laboratory uses serum, the liquid separated from the blood after it clots.
Smart Report
Understanding your result
24 hoursLaboratory turnaround
Result guideAnti-Thyroid Peroxidase Antibody (Anti-TPO)
Reading your result
Antibodies can persist even when thyroid hormone levels change. Tracking symptoms, TSH and free T4 usually answers a different question from repeating an antibody measurement.
What can affect it
- A positive antibody on its own cannot establish the need for thyroid hormone treatment.
From sample to follow-up
Your testing journey
Laboratory testAnti-Thyroid Peroxidase Antibody (Anti-TPO)
- Specimen
- Serum
- Turnaround
- 24 hours
Open your laboratory report
Look for Anti-Thyroid Peroxidase Antibody (Anti-TPO) in your report. Use the sample type and collection time when comparing it with an earlier report.
Explore Smart Report
Discuss the next step
Review TSH and free T4 alongside anti-TPO to distinguish an antibody finding from a change in current thyroid function.
Clinical expertise
Your laboratory team
Patient questions
Before you book
Does a positive antibody result mean my thyroid is underactive?
It can identify an autoimmune tendency even when thyroid hormone levels are currently normal. TSH and free T4 help determine current function.
What is the difference between anti-TPO and TSH?
TSH shows how well the thyroid is working right now; anti-TPO shows whether the immune system is targeting the gland. A positive anti-TPO with a borderline TSH raises the chance that thyroid function will drift over the years, so follow-up is usually closer. Treatment and dosing are guided by TSH and free hormones, never by the antibody level.
Why is this test suggested when I am planning a pregnancy?
Thyroid demand rises during pregnancy, and a gland already under immune attack is less able to meet it. Knowing your antibody status beforehand lets your doctor monitor thyroid function more closely through pregnancy and the months after delivery.
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Your next step
Anti-TPO test at home.
Sources & further reading
Written by Dr Nirupama Sabhapathy, Specialist Clinical Pathology. Medically reviewed by Dr Joyce Jose, Specialist Clinical Pathology, on .
Catalogue information and AED price checked on 2 November 2026. Clinical suitability, preparation, collection arrangements and turnaround are confirmed for your selected test.