Keep in mind that these values can vary slightly, based on the lab which does your TSH test. If you have questions about your results, always ask your doctor. TSH Blood Test The TSH test simply involves drawing some blood from your body. The blood will then be analyzed in a lab. This...
Tsai:Our primary care colleagues can do a workup and interpretation of thyroid function tests in most cases. In the situations where the thyroid function test results are discordant (ie, elevated TSH and elevated free T4 levels or low TSH and low free T4 levels) or difficult to interpret, i...
The laboratory results from the Danish neonatal TSH screening programme for congenital hypothyroidism are reported for a period of 2 years. The screening was based on a single determination of TSH in blood samples taken on the fifth day of life (PKU-filterpaper). The TSH assay (double antibody...
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Over 11 years, 295,775 TSH levels were measured in a single lab. Among the 156,025 TSH results available for analysis, 90,538 values were from female subjects, 82,019 were from patients aged >60 years and 26,825 were from patients aged >80 years. By using an indirect approach, we ...
Our case report describes interference by heterophilic on an automated TSH assay leading to false positive results. Such interference was however not observed with another automated platform. The assay format, the used, and the volumes required for the analysis may influence the results and the ...
[23] Dirks NF, den Elzen WPJ, Hillebrand JJ, et al. Should we depend on reference intervals from manufacturer package inserts? Comparing TSH and FT4 reference intervals from four manufacturers with results from modern indirect methods and the direct m...
(2012). LH and hCG action on the same receptor results in quantitatively and qualitatively different intracellular signalling. PLoS One 7:e46682. 17. Zollner U (2011). Hormonal diagnosis of menstrual irregularities or secondary amenorrhoea. In: Amenorrhea. Available in: http:// www.intechopen....
This is a brief summary of lab value interpretation and is not intended in any way to be comprehensive or replace any conversation of your results with your doctor. THYROID LAB VALUESA TSH (Thyroid Stimulating Hormoone) Test is performed to assess the activity of the thyroid gland. It involve...
Sapin R. Serum thyroxine binding capacity-dependent bias in five free thyroxine immunoassays: assessment with serum dilution experiments and impact on diagnostic performance. Clin Biochem 2001;34:367-71. Law LK, Cheung CK and Swaminathan R. Falsely high thyroxine results by fluorescence polarization in...