{"code":"C132384","name":"Free PSA to Total PSA Ratio Measurement","terminology":"ncit","version":"26.09d","conceptStatus":"DEFAULT","leaf":true,"active":true,"synonyms":[{"name":"PSA, Free/PSA","termType":"PT","type":"FULL_SYN","typeCode":"P90","source":"CDISC","code":"SDTM-LBTEST"},{"name":"PSA, Free/PSA","termType":"SY","type":"FULL_SYN","typeCode":"P90","source":"CDISC"},{"name":"PSAFPSAT","termType":"PT","type":"FULL_SYN","typeCode":"P90","source":"CDISC","code":"SDTM-LBTESTCD"},{"name":"Free PSA to Total PSA Ratio Measurement","termType":"PT","type":"FULL_SYN","typeCode":"P90","source":"NCI"},{"name":"Free PSA to Total PSA Ratio Measurement","type":"Preferred_Name","typeCode":"P108"}],"definitions":[{"definition":"A relative measurement (percentage) of the free prostate specific antigen to total prostate specific antigen in a biological specimen.","code":"P325","type":"ALT_DEFINITION","source":"CDISC"},{"definition":"The determination of the ratio of free prostate specific antigen as compared to the total prostate specific antigen present in a sample. The measurement may be expressed as a ratio or percentage.","code":"P97","type":"DEFINITION","source":"NCI"}],"properties":[{"code":"P322","type":"Contributing_Source","value":"CDISC"},{"code":"P208","type":"NCI_META_CUI","value":"CL520469"},{"code":"P106","type":"Semantic_Type","value":"Laboratory Procedure"}]}