From: Validation of diagnosis codes to identify side of colon in an electronic health record registry
Diagnosis | ICD-9 code | ICD-10 code |
---|---|---|
Right colon (ascending colon) | ||
Hepatic flexure | 153.0 | C18.3 |
Cecum | 153.4 | C18.0 |
Ascending colon | 153.6 | C18.2 |
Transverse colon | ||
Transverse colon | 153.1 | C18.4 |
Left colon (descending colon) | ||
Descending colon | 153.2 | C18.6 |
Sigmoid colon | 153.3 | C18.7 |
Splenic flexure | 153.7 | C18.5 |
Rectosigmoid junction | 154.0 | C19 |
Unspecified colon site | ||
Colon unspecified | 153.9 | C18.9 |
Malignant neoplasm of appendix vermiformis | 153.5 | N/A |
Malignant neoplasm of appendix | N/A | C18.1 |
Malignant neoplasm of other specified sites of large intestine | 153.8 | N/A |
Malignant neoplasm of overlapping sites of colon | N/A | C18.8 |
Rectum | ||
Rectum | 154.1 | C20 |
Malignant neoplasm of other sites of rectum, rectosigmoid junction, and anus | 154.8 | N/A |
Malignant neoplasm of anus, unspecified | N/A | C21.0 |
Malignant neoplasm of anal canal | N/A | C21.1 |
Malignant neoplasm of overlapping sites of rectum, anus and anal canal | N/A | C21.8 |