ICD-9-CM Procedure 47 Operations on appendix 47 is a non-specific code that should not be used to specify a procedure ICD-9-CM Procedure 47.0 Appendectomy Surgical removal of the vermiform appendix. (Dorland, 28th ed) 47.0 is a non-specific code that should not be used to specify a procedure ICD-9-CM Procedure 47.01 Laparoscopic appendectomy 47.01 is a specific code that can be used to specify a procedure 47.01 contains 8 index entries ICD-9-CM Procedure 47.09 Other appendectomy 47.09 is a specific code that can be used to specify a procedure 47.09 contains 9 index entries ICD-9-CM Procedure 47.1 Incidental appendectomy 47.1 is a non-specific code that should not be used to specify a procedure ICD-9-CM Procedure 47.11 Laparoscopic incidental appendectomy 47.11 is a specific code that can be used to specify a procedure 47.11 contains 2 index entries ICD-9-CM Procedure 47.19 Other incidental appendectomy 47.19 is a specific code that can be used to specify a procedure 47.19 contains 2 index entries ICD-9-CM Procedure 47.2 Drainage of appendiceal abscess 47.2 is a specific code that can be used to specify a procedure 47.2 contains 5 index entries ICD-9-CM Procedure 47.9 Other operations on appendix 47.9 is a non-specific code that should not be used to specify a procedure ICD-9-CM Procedure 47.91 Appendicostomy 47.91 is a specific code that can be used to specify a procedure 47.91 contains 7 index entries ICD-9-CM Procedure 47.92 Closure of appendiceal fistula 47.92 is a specific code that can be used to specify a procedure 47.92 contains 4 index entries ICD-9-CM Procedure 47.99 Other 47.99 is a specific code that can be used to specify a procedure 47.99 contains 3 index entries