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Can Biotin Affect Thyroid Tests?

How much biotin affects thyroid tests? In conclusion, the ingestion of 20 mg or more of biotin may lead to a clinically relevant thyroid assay interference. The clinicians must take this point in consideration before assessing the results of any thyroid function tests.

Does biotin interfere with thyroid testing? Interferences have been reported in laboratory assays and particularly for thyroid function tests. This may lead to a missed diagnosis and potentially serious clinical implications. At present, it has been recognized that biotin can interfere with thyroid immunoassays using the biotin–streptavidin interaction.

What lab tests does biotin interfere with? Most of the published research on biotin interference covers hormone tests, such as parathyroid hormone (PTH), thyroid stimulating hormone (TSH), T4 and T3 tests, as well as tests for troponin. However, because biotin is used in so many immunoassays, scientists say it could interfere with many others.

Related Questions

Can Biotin Affect Thyroid Tests

Most commonly, biotin use can result in falsely high levels of T4 and T3 and falsely low levels of TSH, leading to either a wrong diagnosis of hyperthyroidism or that the thyroid hormone dose is too high.

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