Answers are grounded in this paper and cite their sources.
In the Amerlite MAB FT4 assay, as stated by the manufacturer, FT4 values should be normal in patients with anti-thyroid hormone autoantibodies. The case of a 69 year old woman with a spuriously high FT4 using the Amerlite MAB FT4 assay is reported. Laboratory investigations showed that her spurious FT4 result was likely to have been caused by anti-thyroid hormone autoantibodies.
No takes yet. Share an insight, caveat, or question.
Lai et al. (1994) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: