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Laboratory Test: THYROID PEROXIDASE AB
Synonyms: TPO Ab, Thyroperoxidase Antibodies
The thyroid peroxidase (TPO Ab) test is an important diagnostic tool for evaluating the function of your thyroid gland. The thyroid gland produces hormones that regulate your body’s metabolism, energy levels, and growth.
Test Overview
The TPO Ab test measures the levels of antibodies in your blood that target thyroid peroxidase (TPO). TPO is an enzyme that produces thyroid hormones. The presence of these antibodies means your immune system is mistakenly attacking the thyroid gland, leading to thyroid dysfunction.
Conditions Detected
- Autoimmune Thyroiditis (Hashimoto’s Thyroiditis)
- Graves’ Disease
- Subacute Thyroiditis (de Quervain’s Thyroiditis)
Symptoms
If you experience any of the following symptoms, talk to your doctor:
- Weight changes
- Fatigue
- Temperature sensitivity
- Tremors
- Skin issues
- Bowel issues
Preparation
The TPO Ab test does not require special preparation. However, inform your doctor of any thyroid medications.
Procedure
1. Blood Draw
2. Blood Analysis
Results
Results take 1-2 business days.
Additional Testing
- Thyroid-Stimulating Hormone (TSH)
- Free Thyroxine (T4)
- Thyroid Ultrasound
Conclusion
The TPO Ab test helps assess thyroid health. Understanding its importance can help you monitor your thyroid. If concerned, consult your healthcare professional about the TPO Ab test.
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