2007 ICD-9-CM Procedure 35.21 Replacement of aortic valve with tissue graft 35.21 is a specific code that can be used to specify a procedure 35.21 contains 4 index entries View the full Volume 3 35.* hierarchy 35.21 also known as: Repair of aortic valve with tissue graft (autograft) (heterograft) (homograft) Index entries containing 35.21: Implant, implantation heart valve(s) tissue graft 35.20 aortic 35.21 Repair heart 37.49 valve (cusps) (open heart technique) 35.10 aortic (without replacement) 35.11 with tissue graft 35.21 Replacement aortic valve (with prosthesis) 35.22 with tissue graft 35.21 heart valve (with prosthesis) (with tissue graft) 35.20 aortic (with prosthesis) 35.22 with tissue graft 35.21