2007 ICD-9-CM Procedure 49.73 Closure of anal fistula 49.73 is a specific code that can be used to specify a procedure 49.73 contains 2 index entries View the full Volume 3 49.* hierarchy 49.73 excludes: excision of anal fistula (49.12) Index entries containing 49.73: Closure -- see also Repair fistula anus 49.73 in ano 49.73