Cool Ria Testing Ideas. Web ria is an immunological assay to determine the concentration of antigen in the blood serum of the patient. Radioimmunoassays (rias) use antibodies to detect and quantitate the amount of antigen (analyte) in a sample.

Web radioimmunoassay (ria) is an in vitro assay that measures the presence of an antigen with very high sensitivity. Web hereby, we review the current knowledge on immunoassay interferences and present an algorithm for interference workup in clinical laboratories, from suspecting their presence. Web rhia exam outline.



