Thyroid Profile Total
Thyroid · Blood
Available in:Hisar
Available at 1 lab
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₹400₹299
About this test
What the Test Is
The Thyroid Profile Total is a blood test that measures the levels of thyroid hormones and the thyroid‑stimulating hormone (TSH) in the bloodstream. It helps assess how well the thyroid gland is functioning.
Key Parameters
| Parameter | What it shows |
|---|---|
| TSH | Signals how much stimulation the pituitary gland is giving the thyroid. High TSH suggests low thyroid activity; low TSH suggests high activity. |
| Free T4 | The active form of thyroxine. Low levels indicate hypothyroidism; high levels suggest hyperthyroidism. |
| Free T3 | The active form of triiodothyronine. Often measured when T4 is abnormal or to clarify diagnosis. |
Why It Is Done
- Routine health check‑ups
- Evaluation of symptoms such as fatigue, weight changes, or mood swings
- Monitoring treatment of thyroid disorders
- Screening for thyroid dysfunction in pregnancy or in patients with autoimmune disease
Early Detection
This test can help identify signs of thyroid dysfunction, but it does not diagnose a disease on its own. A doctor interprets the result together with symptoms, history, and other tests.
What Abnormal Results May Indicate
- High TSH & low Free T4/T3 – possible hypothyroidism (underactive thyroid)
- Low TSH & high Free T4/T3 – possible hyperthyroidism (overactive thyroid)
- Elevated Free T4/T3 with normal TSH – subclinical hyperthyroidism or early thyroiditis
Many factors such as medications (e.g., amiodarone, steroids), recent illness, or lab variability can affect results. Therefore, results should be interpreted in context.
Who Might Be Advised to Get This Test
- Adults with symptoms of thyroid dysfunction
- Pregnant women or those planning pregnancy
- Individuals with a family history of thyroid disease
- Patients on medications that affect thyroid function
- People with autoimmune conditions (e.g., rheumatoid arthritis, lupus)
Quick Summary
The Thyroid Profile Total measures key hormones that reveal how active the thyroid gland is. It is useful for detecting thyroid problems early, but results must be reviewed by a healthcare professional.
Used for detecting / monitoring
Before your test
- Fasting: No fasting required.
- Combined Tests: If you are also having a test that requires fasting (e.g., fasting glucose), fast for the longest required period and then have the thyroid test done.
- Procedure: A healthcare professional will draw a small amount of blood (usually 5–10 mL) from a vein in your arm using a needle. The process takes about 5 minutes.
- Discomfort: You may feel a brief pinch or sting from the needle; bruising is uncommon.
- Precautions: No special precautions are needed. If you are on thyroid medication, take it as prescribed; inform the lab of any medications you are taking.
- Recommendation: Confirm any specific preparation instructions with your doctor or the laboratory. This information is general educational content and not a substitute for professional medical advice.
Sample type: Blood
Report parameter guide
TSH
Measures the level of thyroid-stimulating hormone produced by the pituitary gland, which regulates thyroid hormone production
Low: May indicate hyperthyroidism or pituitary dysfunction
High: May indicate hypothyroidism or pituitary/thyroid gland dysfunction
Free T4
Measures the amount of active thyroxine hormone circulating in the blood
Low: May indicate hypothyroidism or thyroid hormone deficiency
High: May indicate hyperthyroidism or thyroid hormone excess
Free T3
Measures the amount of active triiodothyronine hormone circulating in the blood
Low: May indicate hypothyroidism or low thyroid hormone conversion
High: May indicate hyperthyroidism or increased thyroid hormone conversion