2007 ICD-9-CM Procedure 49.04 Other excision of perianal tissue 49.04 is a specific code that can be used to specify a procedure 49.04 contains 2 index entries View the full Volume 3 49.* hierarchy 49.04 excludes: anal fistulectomy (49.12) biopsy of perianal tissu (49.22) Index entries containing 49.04: Excision perianal tissue 49.04 skin tags 49.03 Fissurectomy, anal 49.39 skin (subcutaneous tissue) 49.04