2007 ICD-9-CM Procedure 11.64 Other penetrating keratoplasty Partial or total replacement of all layers of a central portion of the cornea. 11.64 is a specific code that can be used to specify a procedure 11.64 contains 1 index entry View the full Volume 3 11.* hierarchy 11.64 also known as: Perforating keratoplasty (with homograft) Index entries containing 11.64: Keratoplasty (tectonic) (with autograft) (with homograft) 11.60 penetrating (full-thickness) (with homograft) 11.64 with autograft 11.63