Gloved hand hold an empty vial with text bubble saying confusing thyroid blood work: assay intereference

When your doctor assesses or treats your thyroid function, they will usually rely on blood work. Sometimes, we see confusing blood test results, which don’t follow the predictable relationships between the various hormones being tested. Normal Testing Usually, testing is straightforward, and results align with symptoms. In cases of hypothyroidism, we expect elevated TSH and…

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