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Wiki Radioreceptor assay 83519?

Thread starter ncollera@northwell.edu
Start date Mar 12, 2014

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ncollera@northwell.edu

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Mar 12, 2014

Hi all,
I have a test for TBII (Thyrotropin-Binding Inhibitory Immunoglobulin). The methodology is radioreceptor assay. The ref lab is using 83519. The CPT code book specifies radioimmunoassay (eg, RIA). Does anyone know if a radioreceptor assay is a type of radioimmunoassay???

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