Appendix A: Diagnosis and Procedure Codes
* International Classification of Disease, Ninth Revision, Clinical Modification
† Current Procedural Terminal
§ International Statistical Classification of Diseases and Related Health Problems, Tenth Revision
Coding System Codes Definition ICD-9* Diagnosis
Code
153.0- 153.9
Malignant neoplasm of the colon 154.0-
154.9
Malignant neoplasm of the rectum/anus
235.2 Neoplasm of uncertain behavior of stomach, intestines, and rectum
ICD-9* Procedure
Code 48.5 Abdominoperineal resection 86.70 Pedicle Flap
86.71 Pedicle Flap 86.72 Pedicle Flap 86.74 Pedicle Flap CPT† Code for
Abdominoperineal Resection
45110 Proctectomy, complete, combined abdominoperineal with colostomy
45395 Laparoscopy, surgical, proctectomy, complete, combined abdominoperineal with colostomy CPT† Code for Flap
Reconstruction 15734 Muscle, myocutaneous or fasciocutaneous flap trunk 15738 Muscle, myocutaneous or fasciocutaneous flap leg ICD-10§ Diagnosis
Code
C18.0- C18.9
Malignant neoplasm of colon
C19 Malignant neoplasm of rectosigmoid junction C20 Malignant neoplasm of rectum
C21.0- C21.2
Malignant neoplasm of anus and anal canal
C21.8 Malignant neoplasm of overlapping sites of rectum, anus, and anal canal
D37.4- D37.5
Neoplasm of uncertain behavior of colon and rectum
ICD-10§ Procedure Codes for
Abdominoperineal Resection
0D1N0Z4, 0DTP0ZZ, 0DTP4ZZ, 0DTP7ZZ, 0DTP8ZZ
ICD-10§ Procedure Codes for Flap Reconstruction
0KXK, 0KXL, 0KXQ, 0KXR, 0KXF, 0KXG, 0KXM
