How to interpret thyroid function tests - PMC
Here, we highlight the main causes of commonly encountered patterns of abnormal thyroid function, including so-called ‘anomalous/discordant TFTs’, and propose a simple strategy for their investigation.
Thyroid Function Test (TFT) Interpretation - Geeky Medics
Apr 28, 2018 · Thyroid function tests (TFTs) are a commonly requested investigation in clinical practice. This guide aims to provide you with the knowledge needed to interpret TFTs and consider underlying …
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 …
Top 10 Thyroid Tests and How to Interpret Them
May 16, 2025 · If you suspect that you may have a thyroid condition, or know someone who does, this article will go over all of the most helpful tests that can help you identify a thyroid condition. This …
Thyroid Blood Tests: Types and What Results Mean
Dec 14, 2025 · Different types of thyroid blood tests may be ordered to see how your thyroid gland is functioning. Learn about why you may need a thyroid blood test, what to expect during the test, and …
How to Read Your Thyroid Lab Results: TSH, T3, T4 Explained
Aug 4, 2025 · This guide breaks down each test, explains what the numbers really mean, and shows you how to track patterns that reveal the complete picture of your thyroid health.
Laboratory assessment of thyroid function - UpToDate
Aug 26, 2025 · As a result, thyroid function is best assessed by measuring serum TSH, assuming steady-state conditions and the absence of pituitary or hypothalamic disease.