FT4 (Free Thyroxine)
Code: FT4
FT4 (Free Thyroxine) is a blood test that measures ft4 (free thyroxine) levels in the blood. It is commonly used to assesses thyroid function and helps diagnose thyroid disorders when considered with other thyroid markers..
What is FT4 (Free Thyroxine)?
The unbound, biologically active form of T4, the main thyroid hormone.
Why is it measured?
Assesses thyroid function and helps diagnose thyroid disorders when considered with other thyroid markers.
Key Facts
- •Category: Hormone Health
- •Unit of Measurement: pmol/L
- •Test Code: FT4
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Frequently Asked Questions About FT4 (Free Thyroxine)
What is a normal FT4 (Free Thyroxine) level?▾
Normal FT4 (Free Thyroxine) levels vary by laboratory. Consult your healthcare provider for the reference range used by your specific lab.
Why is the FT4 (Free Thyroxine) test important?▾
Assesses thyroid function and helps diagnose thyroid disorders when considered with other thyroid markers.
What does a high or low FT4 (Free Thyroxine) result mean?▾
Abnormal FT4 (Free Thyroxine) levels can indicate various health conditions. High or low results should be interpreted in the context of your overall health, other test results, and medical history. Always discuss abnormal results with your healthcare provider.
How often should I get my FT4 (Free Thyroxine) tested?▾
The frequency of FT4 (Free Thyroxine) testing depends on your health conditions, risk factors, and your healthcare provider's recommendations. For routine monitoring, most providers recommend testing every 6-12 months or as part of regular health checkups.
Track Your FT4 (Free Thyroxine) Levels
Upload your blood test results to BloodTrack and monitor your FT4 (Free Thyroxine) over time. Get personalized insights and spot trends early.