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Thyroid Blood Tests: Types and What Results Mean

Thyroid blood tests are an important part of diagnosing and treating thyroid disease. Based on how high or low the different ...
Medscape

Direct Measurement of T3 Is Likely Vital, Say Researchers

To assess thyroid function, clinicians typically determine blood levels of thyroid-stimulating hormone (TSH) and thyroxine (T4) and do not directly measure triiodothyronine (T3). However, findings ...
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TSH Levels: What High and Low Levels Mean

Normal thyroid-stimulating hormone (TSH) levels generally fall between 0.5 and 5.0 milliunits per liter (mU/L). If your TSH level is higher than 5.0 mU/L it suggests an underactive thyroid, or ...