2007 ICD-9-CM Procedure 51.21 Other partial cholecystectomy 51.21 is a specific code that can be used to specify a procedure 51.21 contains 2 index entries View the full Volume 3 51.* hierarchy 51.21 also known as: Revision of prior cholecystectomy 51.21 excludes: that by laparoscope (51.24) Index entries containing 51.21: Cholecystectomy (total) 51.22 partial 51.21 laparoscopic 51.24 Operation Thorek (partial cholecystectomy) 51.21