A member asked:

Normal tsh, high free t4 mild elevation , what might be the cause ?

A doctor has provided 1 answer

Repeat the labs: Hi. In all likelihood, it's a lab error or some trivial explanation. Repeat the labs to see if the lab profile is reproducible. Among the very rare possibilities that it's real would be thyroid hormone resistance, a condition wherein a mutation in a subunit of the thyroid hormone receptor is present (these people are euthyroid), or a pituitary adenoma that makes thyroid hormone (these are hyperthy

Answered 9/28/2016

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Related Questions

A member asked:

Low TSH high free t4? What is the cause?

A doctor has provided 1 answer