disease arises from feature disease has basis in feature Elevated coagulation factor V activity factor 5 excess with spontaneous thrombosis https://www.malacards.org/card/factor_v_excess_with_spontaneous_thrombosis MONDO:0007594 MESH:C565026 GARD:0024564 MEDGEN:341996 Proaccelerin Excess OMIM:134400 UMLS:C1851378 inherited thrombophilia