
TSH Levels Decoded and What They Mean - Verywell Health
Dec 10, 2025 · Learn how TSH levels indicate thyroid health. High TSH suggests an underactive thyroid; low levels point to overactivity.
TSH Levels: Low to high ranges, symptoms, and what they mean
Apr 22, 2025 · A TSH test measures the amount of the hormone in the blood. Doctors can use the results to diagnose thyroid conditions, such as hypothyroidism and hyperthyroidism.
TSH (Thyroid-Stimulating Hormone) Levels: Symptoms
Jul 25, 2022 · Thyroid-stimulating hormone (TSH) triggers your thyroid to release its hormones. High TSH levels usually indicate hypothyroidism and low levels, hyperthyroidism.
TSH Levels: Normal, Low, and High Ranges - Health
Oct 30, 2025 · A doctor can test your TSH levels with a blood test to diagnose thyroid disease. Normal TSH levels range from 0.4-4.0 mUI/mL, which indicates proper thyroid function.
Optimal Thyroid Levels for Males and Females: What’s Typical?
Aug 1, 2025 · Thyroid level tests, including the TSH test, can determine if your thyroid is producing too much or too little thyroid hormone. Here’s what the results mean.
Normal TSH Levels by Age Chart and Reference Ranges
Understanding your TSH test results requires context. Discover how reference ranges shift throughout life and what these changes signify for your thyroid…
Thyroid Function Tests | American Thyroid Association
Sep 5, 2023 · Tests measuring free T4 – either a free T4 (FT4) or free T4 index (FTI) – more accurately reflect how the thyroid gland is functioning when checked with a TSH. The finding of an elevated …
Thyroid-Stimulating Hormone (TSH): TSH Levels Test - WebMD
Nov 22, 2025 · A TSH test is done to find out if your thyroid gland is working the way it should. It can tell you if your thyroid gland is overactive (hyperthyroidism) or underactive (hypothyroidism).
Normal Thyroid Hormone Levels - Endocrine Surgery | UCLA Health
Facing a low or high TSH level? Discover what you need to know about normal thyroid hormone levels & treating abnormal ones. Learn more & request an appointment today.
TSH (Thyroid-stimulating hormone) Test - MedlinePlus
A TSH test is used to find out how well your thyroid is working. It can tell if you have hyperthyroidism (too much thyroid hormone) or hypothyroidism (too little thyroid hormone) in your blood.