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Free Thyroxine (Free T4)

Main circulating thyroid hormone; required to interpret TSH properly and to detect central hypothyroidism.

What is measured?

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What the result represents?

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Which related markers give it context?

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How Aden reads it as part of a system?

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Previous biomarker

‹ Zinc

Next biomarker

Alkaline Phosphatase (ALP) ›

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Aden is a health technology company, not a laboratory or a medical provider. Laboratory testing and any clinical services are provided by licensed third parties. Aden does not diagnose, treat, or provide medical advice, and is not a substitute for care from a licensed doctor. Everything Aden provides is for general information. See our Terms of Service for full details.

UAE launch coming soon.

Join our newsletter to stay up to date on features and releases.

Explore

Home

What We test

For Business

Get started

Connect

hello@aden.health

LinkedIn

Instagram

© 2026 Aden Bio LTD. All rights reserved.

Privacy Policy

Terms & Conditions

Aden is a health technology company, not a laboratory or a medical provider. Laboratory testing and any clinical services are provided by licensed third parties. Aden does not diagnose, treat, or provide medical advice, and is not a substitute for care from a licensed doctor. Everything Aden provides is for general information. See our Terms of Service for full details.

UAE launch coming soon.

Join our newsletter to stay up to date on features and releases.

Explore

Home

What We test

For Business

Get started

Connect

hello@aden.health

LinkedIn

Instagram

© 2026 Aden Bio LTD. All rights reserved.

Privacy Policy

Terms & Conditions

Aden is a health technology company, not a laboratory or a medical provider. Laboratory testing and any clinical services are provided by licensed third parties. Aden does not diagnose, treat, or provide medical advice, and is not a substitute for care from a licensed doctor. Everything Aden provides is for general information. See our Terms of Service for full details.