blood coagulation disease thrombophilia A condition characterized by an abnormally high level of thrombi. Causes include thrombotic thrombocytopenic purpura, disseminated intravascular coagulation, bone marrow disorders, and antiphospholipid antibody syndrome. COHD:4295287 DOID:2452 ICD10:D68.59 ICD9:286.9 MESH:D019851 MONDO:0002305 NCIT:C84479 SCTID:234467004 UMLS:C0398623 excessive blood clotting hypercoagulability hypercoagulability state hypercoagulable