Thyroid Profile Total (T3, T4 & TSH)

Thyroid Profile Total (T3, T4 & TSH)

Also Known As

• Thyroid Function Test

• T3, T4 & TSH Test

What is the Purpose of This Test?

• To evaluate the health and function of the thyroid gland.

• To diagnose and monitor thyroid disorders like hypothyroidism and hyperthyroidism.

• To check thyroid hormone levels during pregnancy.

• To monitor the effectiveness of thyroid treatments.

When Does One Need to Get This Test Done?

• During routine health checkups.

• If experiencing symptoms of thyroid imbalance such as fatigue, weight changes, hair loss, heart rate changes, dry skin, or sensitivity to cold.

• If diagnosed with thyroid diseases like Graves’ disease, Hashimoto’s disease, thyroiditis, or thyroid nodules.

• For newborn screening to detect an underactive thyroid gland.

• To evaluate pituitary or hypothalamus gland disorders.

Pre-Test Information

• No special preparation required.

• No need to stop taking thyroid medications unless advised by a doctor.

Report Delivery TAT

• Reports are typically available within 12 hours.

Home Visit

• Free home blood sample collection is available.

Sample Type

• A blood sample is required.

Components

• Triiodothyronine (T3) Total

• Thyroxine (T4) Total

• Thyroid-Stimulating Hormone (TSH)

What Diseases Can This Test Detect?

• Hypothyroidism (underactive thyroid)

• Common cause: Hashimoto’s thyroiditis.

• Hyperthyroidism (overactive thyroid)

• Common cause: Graves’ disease.

• Subclinical Hypothyroidism

• Indicated by elevated TSH with normal T4 and T3.

• Subclinical Hyperthyroidism

• Indicated by low TSH with normal T4 and T3.

• Thyroid Hormone Resistance

• Normal TSH with elevated T4 and T3.

• Nonthyroidal Illness

• Hypothyroidism due to pituitary gland issues.

• nges may vary slightly between different labs.