2007 ICD-9-CM Procedure 12.66 Postoperative revision of scleral fistulization procedure 12.66 is a specific code that can be used to specify a procedure 12.66 contains 3 index entries View the full Volume 3 12.* hierarchy 12.66 also known as: Revision of filtering bleb 12.66 excludes: repair of fistula (12.82) Index entries containing 12.66: Closure -- see also Repair filtering bleb, corneoscleral (postglaucoma) 12.66 Revision filtering bleb 12.66 scleral fistulization 12.66