Expected TSH Ranges by Age and During Pregnancy - Healthline
Oct 3, 2025 · Doctors use TSH blood tests to assess whether your TSH levels are in the normal or targeted range. The targeted range of TSH for an adult is 0.4 to 4.0 milli-international units per …
Normal TSH Levels by Age Chart and Reference Ranges
From six to ninety days old, the range is 0.72 to 11.0 mIU/L. From four to twelve months, the range shifts to 0.73 to 8.35 mIU/L. Through childhood and adolescence, TSH levels stabilize. …
TSH (Thyroid-Stimulating Hormone) Levels: Symptoms
Jul 25, 2022 · Normal levels of TSH vary based on your age. In general, if you're healthy and not pregnant, the normal ranges of TSH include:
TSH Levels Decoded and What They Mean - Verywell Health
Dec 10, 2025 · While the textbook normal TSH range is between 0.5 mU/L and 5.0 mU/L, other factors influence a person's TSH levels and dictate their "normal" value. These include …
TSH Levels: Low to high ranges, symptoms, and what they mean
Apr 22, 2025 · The thyroid-stimulating hormone (TSH) test measures the amount of TSH in the blood to convey how well a person’s thyroid functions. Normal levels are typically 0.4 to 4.0 …
Normal TSH by Age: How to Tell if Your Thyroid Is Sluggish
May 23, 2025 · Most labs define the normal range of TSH for adults as 0.4 to 4.0 mIU/L. That said, doctors will often look at more than just the number. They’ll take into account your age, …
TSH Levels: Normal Ranges, Symptoms, Testing, and Treatments
Mar 24, 2022 · In general, the normal reference range for TSH levels is 0.35 to 4.5 mIU/l of blood. A TSH reading in this range indicates that the thyroid gland is functioning normally. However, …
TSH Levels: Normal, Low, and High Ranges - Health
Oct 30, 2025 · Generally, the normal range for TSH is between 0.4 and 4.0 milli-international units per milliliter (mUI/mL). 6 Anything far below or above this range usually signals that your …
Normal Thyroid Hormone Levels - Endocrine Surgery - UCLA Health
What are Normal Thyroid Hormone Levels? What is thyroid hormone? Thyroid hormone is made by the thyroid gland, a butterfly-shaped endocrine gland normally located in the lower front of …
TSH Levels: Symptoms, Causes, and When to Test
Dec 17, 2025 · TSH Levels FL explained. Learn symptoms of abnormal thyroid levels and when to see a Florida endocrinology specialist. Get clarity today.