Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Abnormal thyroid stimulating hormone (TSH) tests. Number (%) of abnormal TSH tests reported (2017–2021). Black bar: total number of abnormal values. White bar: number of abnormal high values. Gray bar: number of abnormal low values. Number of tests ordered per year: 2017: 15; 2018: 26; 2019: 18; 2020: 27; 2021: 147
