Congenital factor XIII deficiency is an inherited bleeding disorder due to reduced levels and activity of factor XIII (FXIII) and characterized by hemorrhagic diathesis frequently associated with spontaneous abortions and defective wound healing. Factor XIII deficiency is one of the most rare coagulation factor deficiencies. The disease is MONDO_0018029 (congenital factor XIII deficiency). Also known as: deficiency, Laki-Lorand factor, factor XIII deficiency disease, hereditary factor XIII deficiency disease.