If a TSH test result is unexpected, simply repeating the test is often the best course of action. Errors can occur during the ...

Thyroid blood tests are an important part of diagnosing and treating thyroid disease. Based on how high or low the different values are—including key hormones such as TSH and T4—the lab can ...

TSH + T4 (FT4 or TT4) is the most useful test combination to detect thyroid dysfunction in a sick hospitalized patient. It is more appropriate to use a widened TSH reference interval (0.05 to 10.0 ...

Thyroid Function Tests (TFTs) are among the most commonly requested laboratory ... cases to underscore the role of the lab in the patient pathway, especially with TSH measurements. We will also hear ...

The instrument operator should be blinded to the presence of test pools in the run. Runs should be spaced over a clinically representative interval (i.e. 6 to 8 weeks for TSH in an outpatient ...