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October promotion! "Complete Thyroid" profile from October 1-31, 2025
The thyroid gland produces hormones that are responsible for tone, metabolism, mood, energy, and many other processes.
Full profile tests:
- TSH (thyroid-stimulating hormone) ultrasensitive
- T4 (thyroxine) free
- Anti-TPO (antibodies to microsomal thyroid peroxidase)
- Anti-TG (antibodies to thyroglobulin)
Individual price: 18 180 KZT.
Promotional price: 10 080 KZT.
The thyroid gland is a small organ located at the base of the neck. It weighs only 15-30 grams, but it controls a number of vital processes. Through the hormones T3 and T4, it controls metabolism, body temperature, heart function, mood, the reproductive system, and much more.
The most common thyroid disorders:
- Hyperthyroidism - a condition in which the gland begins to synthesize excessive amounts of the hormones T3 and T4, leading to an acceleration of metabolism.
- Hypothyroidism - the opposite condition, in which the production of thyroid hormones decreases and the body experiences a deficiency of these hormones.
- Thyroiditis - an inflammatory process in the thyroid gland tissue, which can have different causes and courses.
- Graves' disease is an autoimmune disorder in which the immune system stimulates the thyroid gland, causing excessive hormone production.
- Goiter is an enlargement of the thyroid gland; it is often accompanied by heightened hormone secretion and manifests as noticeable swelling in the neck area.
- Nodules are structures within the thyroid gland that can be either benign or malignant.
- Thyroid cancer is a malignant neoplasm that forms from the cells of the gland itself.
TSH
Thyroid-stimulating hormone, which is produced in the pituitary gland. It acts as a "regulator" for the thyroid gland: if the level of thyroid hormones (T3, T4) drops, the pituitary gland signals "get to work" by increasing TSH; if there is an excess of hormones, the pituitary gland reduces TSH.
Increased TSH
When TSH is above normal, it is a sign that the thyroid gland is not responding sufficiently to pituitary stimuli. Causes:
- Hypothyroidism (decreased thyroid function)
- Inflammation (thyroiditis)
- Primary adrenal insufficiency
Decreased TSH
If TSH is decreased, it means that the pituitary gland "sees" that there are enough (or too many) thyroid hormones and reduces the stimulus:
- Hyperthyroidism (overactive thyroid gland)
- Pituitary suppression (secondary causes)
- Taking medications that affect the hormonal axle
- Physiological conditions (certain periods of pregnancy, stress, acute illnesses)
Free T4
The thyroid gland produces the hormone T4 (thyroxine). It exists in two forms in the blood:
- Total - "attached" to proteins and not yet active;
- Free - "active," which affects metabolism, energy, and organ function.
If free T4 is above normal
- This may indicate hyperthyroidism: accelerated metabolism, weight loss, rapid heartbeat, anxiety.
If free T4 is below normal
- This is more often associated with hypothyroidism: weakness, drowsiness, weight gain, dry skin, hair loss.
Anti-TPO
Thyroid peroxidase (TPO) is an enzyme found in the thyroid gland. It is needed to convert iodine and thyroglobulin into the hormones T4 and T3.
Anti-TPO are antibodies that attack this enzyme. The body mistakenly begins to consider TPO as "foreign" and produces antibodies against it.
Anti-TG
Antibodies that attack thyroglobulin. The body mistakenly begins to produce antibodies against it.
An increase in antibodies to thyroglobulin can be observed in:
- chronic thyroiditis (including Hashimoto's thyroiditis);
- hypothyroidism of unknown origin;
- autoimmune lesions of the thyroid gland;
- tumor processes in the thyroid gland
- Down syndrome