SaathiđĻ Thyroid Function Test Report Guide
Understand what each Thyroid value means. Enter your values for instant AI analysis.
| Parameter | Normal Range | Your Value | What High Means | What Low Means |
|---|---|---|---|---|
| TSH Thyroid Stimulating Hormone |
0.4 - 4.0 mIU/L |
High
Hypothyroidism (underactive thyroid). Can cause fatigue, weight gain, cold intolerance, depression.
|
Low
Hyperthyroidism (overactive thyroid). Can cause anxiety, weight loss, heat intolerance, palpitations.
|
|
| Free T3 Triiodothyronine |
2.3 - 4.2 pg/mL |
High
Hyperthyroidism, Graves' disease, toxic nodule, thyroiditis.
|
Low
Hypothyroidism, severe illness, starvation, chronic liver/kidney disease.
|
|
| Free T4 Thyroxine |
0.8 - 1.8 ng/dL |
High
Hyperthyroidism, Graves' disease, thyroid hormone overdose.
|
Low
Hypothyroidism, iodine deficiency, pituitary insufficiency, severe illness.
|
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đ Analyze My Full Report NowWhat is a Thyroid Function Test?
A Thyroid Function Test measures the levels of thyroid hormones in your blood. The thyroid gland produces hormones that regulate metabolism, heart rate, body temperature, and energy levels.
Key Thyroid Parameters Explained:
- TSH (Thyroid Stimulating Hormone): Made by the pituitary gland. It tells the thyroid to produce more hormones. High TSH = Hypothyroidism (underactive). Low TSH = Hyperthyroidism (overactive).
- Free T3 (Triiodothyronine): The active thyroid hormone. It affects metabolism and growth.
- Free T4 (Thyroxine): The main hormone produced by the thyroid. It is converted to T3 in the body.
Common Thyroid Disorders:
- Hypothyroidism (Underactive Thyroid): High TSH, Low T3/T4. Symptoms: fatigue, weight gain, cold intolerance, constipation, depression.
- Hyperthyroidism (Overactive Thyroid): Low TSH, High T3/T4. Symptoms: anxiety, weight loss, heat intolerance, palpitations, tremors.
- Subclinical Hypothyroidism: High TSH, normal T3/T4. May progress to overt hypothyroidism.
- Graves' Disease: Autoimmune condition causing hyperthyroidism.
- Hashimoto's Thyroiditis: Autoimmune condition causing hypothyroidism.
When Should You Get a Thyroid Test?
- Unexplained fatigue or weakness
- Unexplained weight changes
- Hair loss or dry skin
- Cold or heat intolerance
- Irregular menstrual periods
- Family history of thyroid disorders
- Pregnancy planning or during pregnancy