2007 ICD-9-CM Procedure 48.81 Incision of perirectal tissue 48.81 is a specific code that can be used to specify a procedure 48.81 contains 4 index entries View the full Volume 3 48.* hierarchy 48.81 also known as: Incision of rectovaginal septum Index entries containing 48.81: Incision (and drainage) pelvirectal tissue 48.81 perirectal tissue 48.81 rectovaginal septum 48.81 Lysis adhesions perirectal 48.81