When clinical laboratory technologists review thyroid test results (TSH, FT4, FT3), they are more likely to be confused by ...

Medically reviewed by Kelly Wood, MD Key Takeaways A TPO antibody test helps diagnose autoimmune thyroid diseases like Hashimoto’s thyroiditis.A positive test result means antibodies are present and ...

Medically reviewed by Kelly Wood, MD Key Takeaways High TSH levels can mean you have an underactive thyroid or a pituitary gland tumor.Low TSH levels can mean you have an overactive thyroid or issues ...

Normal TSH values vary widely depending on age, and the ranges of normal values are typically higher in older adults. This is important, as a select number of patients manifest recurrent symptoms ...

Seasonal variation in one of the hormones used to monitor thyroid function could in turn lead to false diagnoses of subclinical hypothyroidism and unnecessary prescriptions of levothyroxine, says Yale ...

Research suggests that taking high doses of biotin may lead to inaccurate thyroid lab results. Stopping biotin several days before your test can help you avoid this. Biotin is a B-complex vitamin that ...