At a glance
ÐÇ¿ÕÓéÀÖ¹ÙÍø is improving the accuracy of thyroid hormone measurements performed in patient care and public health activities.

Overview
Thyroid Disease
Physicians rely on thyroid function tests to detect, diagnose, and treat diseases caused by thyroid hormones.
ÐÇ¿ÕÓéÀÖ¹ÙÍø is improving the accuracy of free thyroxine (fT4) and thyroid-stimulating hormone (TSH) tests.
ÐÇ¿ÕÓéÀÖ¹ÙÍø uses a reference method for fT4 and provides serum materials to laboratories and test manufacturers to help assess measurement accuracy and reduce the variability of accuracy among laboratories.
Please contact [email protected] with questions about the ÐÇ¿ÕÓéÀÖ¹ÙÍø Thyroid Hormone Standardization program.