Understanding Your Thyroid Function Test Results (TSH, T3 & T4)

A guide to interpreting your TSH, T3, and T4 lab test values for thyroid health management.

The thyroid gland regulates metabolism, body temperature, and energy production. A standard Thyroid Profile measures TSH, Total T3, and Total T4 levels to assess thyroid gland function.

Thyroid Stimulating Hormone (TSH)

Produced by the pituitary gland. Elevated TSH indicates hypothyroidism (underactive thyroid), while low TSH indicates hyperthyroidism.