Thyrotropin (TSH)

What is analysed in a TSH analysis?

The TSH analysis evaluates thyroid function. It is requested to diagnose hypothyroidism or hyperthyroidism, monitor thyroid diseases, and follow up in cases of thyroid cancer.

What does the result mean?

Elevated TSH indicates a low concentration of thyroid hormones (T3 and T4) in the blood. Decreased TSH signifies high concentration of T3 and T4.

Why is this analysis carried out?

It is carried out to detect thyroid disorders, evaluate treatment effectiveness, as well as to diagnose conditions such as hypothyroidism or hyperthyroidism.

When is this analysis performed?

It is requested when symptoms such as weight changes, goiter, dry skin, tachycardia, or tremors are present.

Is there any sample required?

A sample of venous blood is taken after fasting.

Is any special preparation needed?

No special preparation is required for this test.

How is it used?

TSH stimulates the thyroid to produce T3 and T4 hormones, which regulate vital functions. Normal values: Adults: 0.4 - 4.0 mIU/L. Pregnant individuals: vary by trimester. Children: vary by age.

What do abnormal values indicate?

High TSH indicated hypothyroidism, whereas low TSH indicates hyperthyroidism.