Diagnosis Code

C18 MALIGNANT NEOPLASM OF COLON


Code Information

Diagnosis Code: C18

Short Description: Malignant neoplasm of colon

Long Description: Malignant neoplasm of colon

The code C18 is NOT VALID for claim submission

Code Classification:

  • Neoplasms (C00–D49)
    • Malignant neoplasms of digestive organs (C15-C26)
      • Malignant neoplasm of colon (C18)
        • C18 Malignant neoplasm of colon

Code Version: 2022 ICD-10-CM


References to Index of Diseases and Injuries

The code C18 has the following ICD-10-CM references to the Index of Diseases and Injuries
  • Type 1 Excludes Notes:
    • malignant carcinoid tumors of the colon (@C7A.02*-)

Similar Codes

ICD-10 Code ICD-10 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


This page was last updated on: 10/1/2023