Thrombophilia, X-Linked, Due to Factor Ix Defect, also known as deep venous thrombosis, protection against, is related to lissencephaly, x-linked, 2 and syndromic x-linked intellectual disability shashi type. An important gene associated with Thrombophilia, X-Linked, Due to Factor Ix Defect is F9 (Coagulation Factor IX). The drugs Heparin, bovine and Reviparin have been mentioned in the context of this disorder. Affiliated tissues include bone marrow and bone, and related phenotypes are deep venous thrombosis and increased factor ix activity