Subclinical hyperthyroidism

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Subclinical hyperthyroidism

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[A] High TSH and low FT3
[B] Low TSH and high FT4
[C] High TSH and low FT4
[D] Low TSH and normal FT4 and/or FT3

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Subclinical

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1. High TSH and normal FT4 (and FT3) -This pattern of results can signify ‘Subclinical hypothyroidism
2. Low TSH and normal FT4 and/or FT3 – Subclinical hyperthyroidism

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