Thyroid Function (Free T3 / FT4 / TSH) – Diagnostic Test

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Overview

The Thyroid Function Test (Free T3, Free T4 & TSH) is a comprehensive blood test that evaluates the overall performance of the thyroid gland. This panel measures:

• Free T3 (Triiodothyronine)

• Free T4 (Thyroxine)

• TSH (Thyroid Stimulating Hormone)

Together, these three parameters provide a complete assessment of thyroid hormone balance and help detect both early and advanced thyroid disorders.

Why This Test is Important

✔ Detects Hypothyroidism (Underactive Thyroid)
✔ Detects Hyperthyroidism (Overactive Thyroid)
✔ Evaluates unexplained fatigue and weakness
✔ Assesses weight gain or sudden weight loss
✔ Monitors thyroid medication effectiveness
✔ Supports fertility and menstrual health evaluation
✔ Essential screening during pregnancy (as advised)

What Each Parameter Indicates

• TSH → Indicates how hard the pituitary gland is stimulating the thyroid

• Free T4 (FT4) → Measures available thyroxine hormone in blood

• Free T3 (FT3) → Measures active thyroid hormone responsible for metabolism

Abnormal levels may indicate thyroid dysfunction and require medical evaluation.

Sample Type

• Blood sample (Serum)

• Collected using standard laboratory procedure

Process & Turnaround Time

• Performed using automated high-sensitivity immunoassay methods

• Results typically available within 24–48 hours

Who Should Consider This Test?

• Individuals with symptoms like fatigue, hair fall, mood changes

• People with family history of thyroid disorders

• Women with irregular menstrual cycles

• Patients monitoring thyroid treatment

• Individuals with unexplained metabolic changes

What You Receive

• 1 Comprehensive Thyroid Function Test (FT3, FT4, TSH)

• Detailed digital laboratory report

• Reference ranges for all parameters

• Professional lab-certified results

Safety & Quality Standards

• Minimally invasive blood collection

• Performed in certified laboratory settings

• Accurate and standardized testing protocols

Important Note

Thyroid hormone imbalance can affect metabolism, heart health, mood, and reproductive health. Always consult a qualified healthcare professional for proper interpretation and treatment planning.

Disclaimer

This test is intended for diagnostic purposes only. Results should be interpreted in conjunction with clinical findings and medical consultation.

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