Description
Free T4 (Free Thyroxine) Diagnostic Test Panel
The Free T4 Test measures the active, unbound fraction of thyroxine hormone in your bloodstream. Unlike Total T4, Free T4 represents the exact amount of hormone available to tissues and cells, making it a highly accurate marker for evaluating thyroid function. This test is essential for diagnosing Hypothyroidism (underactive thyroid) and Hyperthyroidism (overactive thyroid).
Key Indications for Testing:
- Evaluating abnormal TSH levels or suspected thyroid disorders
- Investigating unexplained weight changes, chronic fatigue, or anxiety
- Monitoring response to thyroid medication (e.g., Levothyroxine)
- Assessing pituitary gland or metabolic health conditions
Test Specifications & Instructions:
- Specimen Type: Blood Sample (Serum)
- Fasting Required: Fasting for 8 to 10 hours is recommended for accurate diagnostic results.
- Reports: Fast turnaround time with verified digital report delivery.
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