Measurement of thyroid hormones, harmonization and standardization

The incidence of thyroid dysfunction has increased year by year; the degree of public concern about thyroid disease also has been growing; the accuracy and comparability of results given by thyroid hormone assays from clinical laboratories face new challenges .This paper reviewed the clinical significance and measurements of thyroid hormones , also summarized the outcome of IFCC Working Group on Standardization of Thyroid Function Tests .It is expected to bring manufacturers′and clinical laboratories′attention to the importance of standardization/harmonization; and they could collaborate with each other .