2007 ICD-9-CM Procedure 85.44 Bilateral extended simple mastectomy 85.44 is a specific code that can be used to specify a procedure 85.44 contains 4 index entries View the full Volume 3 85.* hierarchy Index entries containing 85.44: Mastectomy (complete) (prophylactic) (simple) (unilateral) 85.41 with excision of regional lymph nodes 85.43 bilateral 85.44 extended simple (with regional lymphadenectomy) (unilateral) 85.43 bilateral 85.44 modified radical (unilateral) 85.43 bilateral 85.44 radical (Halsted) (Meyer) (unilateral) 85.45 modified (unilateral) 85.43 bilateral 85.44