2007 ICD-9-CM Procedure 55 Operations on kidney 55 is a non-specific code that should not be used to specify a procedure View the full Volume 3 55.* hierarchy Code also any application or administration of an adhesion barrier substance (99.77) 55 includes: operations on renal pelvis 55 excludes: perirenal tissue (59.00-59.09, 59.21-59.29,59.91-59.92)