2007 ICD-9-CM Procedure 85.0 Mastotomy 85.0 is a specific code that can be used to specify a procedure 85.0 contains 6 index entries View the full Volume 3 85.* hierarchy 85.0 also known as: Incision of breast (skin) Mammotomy 85.0 excludes: aspiration of breast (85.91) removal of implant (85.94) Index entries containing 85.0: Exploration -- see also Incision breast 85.0 Incision (and drainage) breast (skin) 85.0 with removal of tissue expander 85.96 skin 86.09 breast 85.0 Mammotomy 85.0 Mastotomy 85.0 Removal -- see also Excision foreign body NEC -- see also Incision, by site 98.20 breast 85.0