FT3 (Free Tri-Iodothyronine)

🔍 Overview

The FT3 (Free Tri-Iodothyronine) test measures the level of free T3 hormone in the blood. FT3 is the active form of thyroid hormone that directly influences metabolism, energy production, heart rate, and body temperature. This test helps assess how effectively the thyroid gland is functioning.

📋 Test Summary

This test helps to:

• Evaluate thyroid gland activity

• Detect hyperthyroidism and hypothyroidism

• Assess metabolic and hormonal balance

• Investigate symptoms like weight loss/gain, anxiety, fatigue, and palpitations

• Monitor response to thyroid treatment

✔ Measures the most biologically active thyroid hormone
✔ Useful for detailed thyroid function assessment

⏱ Reports Within: 6 Hours
🧪 Sample: Blood
👶👩👨 Age: All Age Groups
🚻 Gender: Male and Female
🍽 Fasting: Not Required