Track Your Free T3(FT3)
Monitor most active thyroid hormone over time
Track Your Free T3 in 3 Simple Steps
Professional health tracking made simple
1. Upload PDF
Upload your lab results PDF from Quest, LabCorp, or any lab. We support all major lab formats.
2. AI Extraction
Our AI extracts your Free T3 values and all other biomarkers in under 30 seconds.
3. Clinical-Grade Charts
View your Free T3 trends over time with clinical-grade visualizations.
Why Track Free T3?
The most active form of thyroid hormone. T3 is converted from T4 and has stronger effects on metabolism.
Monitor most active thyroid hormone over time
Track thyroid conversion patterns
Identify active thyroid hormone trends
Evaluate complete thyroid function
Free T3 Reference Information
Understanding your Free T3 results
What It Measures
High levels indicate hyperthyroidism. Often elevated before T4 in early hyperthyroidism. Less commonly measured than TSH and T4.
Factors That Can Affect Free T3
Thyroid function, conversion from T4, medications, illness
Medical Source: 2016 ATA Guidelines for Diagnosis and Management of Hyperthyroidism
LOINC Code: 3053-6
Medical Disclaimer: This information is for educational purposes only and does not constitute medical advice. Always consult with qualified healthcare professionals for medical interpretation of your Free T3 results and any health concerns.
Related Thyroid Function Biomarkers
Track other biomarkers in the same category for comprehensive health monitoring
TSH
A hormone produced by the pituitary gland that stimulates the thyroid to produce thyroid hormones. T...
Free T4
The active form of thyroid hormone that's not bound to proteins. Free T4 is the form that cells can ...
TPO Antibodies
Antibodies that attack thyroid peroxidase, an enzyme needed for thyroid hormone production. Elevated...
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