C18 Malignant neoplasm of colon
ICD-10-CM category C18 sits in Chapter 2 (Neoplasms, C00-D49). It contains 10 billable codes for FY2027, effective October 1, 2026 to September 30, 2027. Always code to the most specific code available: a code with more characters that describes the diagnosis more precisely takes priority over a shorter one.
Billable codes in C18
| Code | Description |
|---|---|
C18.0 | Malignant neoplasm of cecum |
C18.1 | Malignant neoplasm of appendix |
C18.2 | Malignant neoplasm of ascending colon |
C18.3 | Malignant neoplasm of hepatic flexure |
C18.4 | Malignant neoplasm of transverse colon |
C18.5 | Malignant neoplasm of splenic flexure |
C18.6 | Malignant neoplasm of descending colon |
C18.7 | Malignant neoplasm of sigmoid colon |
C18.8 | Malignant neoplasm of overlapping sites of colon |
C18.9 | Malignant neoplasm of colon, unspecified |
Search within ICD-10-CM for C18 and related codes
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