{"code":"C62656","name":"Prothrombin Time","terminology":"ncit","version":"26.09d","conceptStatus":"DEFAULT","leaf":false,"active":true,"synonyms":[{"name":"Prothrombin Time","termType":"PT","type":"FULL_SYN","typeCode":"P90","source":"CDISC","code":"SDTM-LBTEST"},{"name":"Prothrombin Time","termType":"SY","type":"FULL_SYN","typeCode":"P90","source":"CDISC"},{"name":"PT","termType":"PT","type":"FULL_SYN","typeCode":"P90","source":"CDISC","code":"SDTM-LBTESTCD"},{"name":"Prothrombin Time","termType":"PT","type":"FULL_SYN","typeCode":"P90","source":"GDC"},{"name":"Prothrombin Time","termType":"PT","type":"FULL_SYN","typeCode":"P90","source":"NCI"},{"name":"Prothrombin Time Test","termType":"SY","type":"FULL_SYN","typeCode":"P90","source":"NCI"},{"name":"PT","termType":"AB","type":"FULL_SYN","typeCode":"P90","source":"NCI"},{"name":"Prothrombin Time","type":"Preferred_Name","typeCode":"P108"},{"name":"PT","termType":"PT","type":"FULL_SYN","typeCode":"P90","source":"PCDC","subSource":"OS"}],"definitions":[{"definition":"A blood clotting measurement that evaluates the extrinsic pathway of coagulation.","code":"P325","type":"ALT_DEFINITION","source":"CDISC"},{"definition":"A measurement of the clotting time of plasma recalcified in the presence of excess tissue thromboplastin; it is a measure of the extrinsic pathway of coagulation. It is used to determine the clotting tendency of blood, in the measure of warfarin dosage, liver damage and vitamin K status. Factors measured are fibrinogen, prothrombin, and factors V, VII, and X.","code":"P97","type":"DEFINITION","source":"NCI"}],"properties":[{"code":"P322","type":"Contributing_Source","value":"CDISC"},{"code":"P322","type":"Contributing_Source","value":"GDC"},{"code":"P322","type":"Contributing_Source","value":"PCDC"},{"code":"P366","type":"Legacy Concept Name","value":"Prothrombin_Time_Test"},{"code":"P375","type":"Maps_To","value":"Prothrombin Time"},{"code":"P106","type":"Semantic_Type","value":"Laboratory Procedure"},{"code":"P207","type":"UMLS_CUI","value":"C0033707"}]}