{"code":"C74786","name":"Free Thyroxine Measurement","terminology":"ncit","version":"26.09d","conceptStatus":"DEFAULT","leaf":false,"active":true,"synonyms":[{"name":"Free T4","termType":"SY","type":"FULL_SYN","typeCode":"P90","source":"CDISC"},{"name":"T4FR","termType":"PT","type":"FULL_SYN","typeCode":"P90","source":"CDISC","code":"SDTM-LBTESTCD"},{"name":"Thyroxine, Free","termType":"SY","type":"FULL_SYN","typeCode":"P90","source":"CDISC"},{"name":"Thyroxine, Free","termType":"PT","type":"FULL_SYN","typeCode":"P90","source":"CDISC","code":"SDTM-LBTEST"},{"name":"Free Thyroxine Measurement","termType":"DN","type":"FULL_SYN","typeCode":"P90","source":"CTRP"},{"name":"Free Thyroxine Measurement","termType":"PT","type":"FULL_SYN","typeCode":"P90","source":"NCI"},{"name":"T4-Free","termType":"SY","type":"FULL_SYN","typeCode":"P90","source":"NCI"},{"name":"Free Thyroxine Measurement","type":"Display_Name","typeCode":"P107"},{"name":"Free Thyroxine Measurement","type":"Preferred_Name","typeCode":"P108"},{"name":"Free T4","termType":"PT","type":"FULL_SYN","typeCode":"P90","source":"PCDC","subSource":"OS"},{"name":"Free T4","termType":"PT","type":"FULL_SYN","typeCode":"P90","source":"PCDC","subSource":"HL"}],"definitions":[{"definition":"A measurement of the free thyroxine in a biological specimen.","code":"P325","type":"ALT_DEFINITION","source":"CDISC"},{"definition":"The determination of the amount of free thyroxine present in a sample.","code":"P97","type":"DEFINITION","source":"NCI"}],"properties":[{"code":"P322","type":"Contributing_Source","value":"CDISC"},{"code":"P322","type":"Contributing_Source","value":"CTRP"},{"code":"P322","type":"Contributing_Source","value":"PCDC"},{"code":"P366","type":"Legacy Concept Name","value":"Free_Thyroxine_Measurement"},{"code":"P106","type":"Semantic_Type","value":"Laboratory Procedure"},{"code":"P207","type":"UMLS_CUI","value":"C0202225"}]}