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C18 - Malignant neoplasm of colon


The ICD 10 Code for Malignant neoplasm of colon is listed as C18.
Additional information concerning this code and description can be found below including ICD 9 crosswalks / GEMS, chapter information, and DRGs where available.

ICD 10 CM Field Value
Diagnosis Code: C18
Description: Malignant neoplasm of colon
  • Excludes1: malignant carcinoid tumors of the colon (C7A.02-)
Chapter Neoplasms (C00-D49)
ICD-10-CM Children (deeper level / typically more specific) of C18:
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