The TSH Reference Range Wars: What’s “Normal?”, Who is Wrong, Who is Right…

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There is ongoing controversy about whether reliance on the TSH test — to the exclusion of clinical symptoms and other tests such as Free T4, Free T3, and antibodies tests — is medically sound. That is a controversy that is unlikely to be decided for years. The situation today, however, is that the majority of physicians do rely almost exclusively on the TSH test to detect thyroid disease, and monitor the effectiveness of treatment.

Surprisingly, however, while the medical community does rely on the TSH test, there is complete disagreement within the community as to what constitutes the “normal range.”…shtestwars.htm


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