{"code":"C17057","name":"Radioimmunoassay","terminology":"ncit","version":"26.09d","conceptStatus":"DEFAULT","leaf":false,"active":true,"synonyms":[{"name":"Radioimmunoassay","termType":"SY","type":"FULL_SYN","typeCode":"P90","source":"CDISC"},{"name":"RIA","termType":"PT","type":"FULL_SYN","typeCode":"P90","source":"CDISC"},{"name":"Immunologic, Radioimmunoassay","termType":"SY","type":"FULL_SYN","typeCode":"P90","source":"NCI"},{"name":"Radioimmunoassay","termType":"PT","type":"FULL_SYN","typeCode":"P90","source":"NCI"},{"name":"Radioimmunoassay","type":"Preferred_Name","typeCode":"P108"}],"definitions":[{"definition":"Radioimmunoassay (RIA) is an immunological technique, which quantitatively determines antigen and antibody concentrations, using a radioactively labeled substance (radioligand), either directly or indirectly.","code":"P97","type":"DEFINITION","source":"NCI"},{"definition":"Radioimmunoassay (RIA) is an immunological technique, which quantitatively determines antigen and antibody concentrations, using a radioactively labeled substance (radioligand), either directly or indirectly.","code":"P325","type":"ALT_DEFINITION","source":"CDISC"}],"properties":[{"code":"P322","type":"Contributing_Source","value":"CDISC"},{"code":"P366","type":"Legacy Concept Name","value":"Radioimmunoassay"},{"code":"P106","type":"Semantic_Type","value":"Laboratory Procedure"},{"code":"P207","type":"UMLS_CUI","value":"C0034580"}]}