2007 ICD-9-CM Procedure 77.89 Other partial ostectomy, other 77.89 is a specific code that can be used to specify a procedure 77.89 contains 6 index entries View the full Volume 3 77.* hierarchy Index entries containing 77.89: Coccygectomy (partial) 77.89 total 77.99 Excision spinous process 77.89 Facetectomy 77.89 Ischiectomy (partial) 77.89 total 77.99 Phalangectomy (partial) 77.89 claw toe 77.57 cockup toe 77.58 hammer toe 77.56 overlapping toe 77.58 total 77.99 Sacrectomy (partial) 77.89 total 77.99