Excludes1

  • Kaposi's sarcoma of gastrointestinal sites (C46.4)

Excludes2

  • gastrointestinal stromal tumors (C49.A-)
  1. C18 Malignant neoplasm of colon

    Excludes1

    • malignant carcinoid tumors of the colon (C7A.02-)
    1. C18.0 Malignant neoplasm of cecum

      Inclusion term(s):

      • Malignant neoplasm of ileocecal valve
    2. C18.1 Malignant neoplasm of appendix

    3. C18.2 Malignant neoplasm of ascending colon

    4. C18.3 Malignant neoplasm of hepatic flexure

    5. C18.4 Malignant neoplasm of transverse colon

    6. C18.5 Malignant neoplasm of splenic flexure

    7. C18.6 Malignant neoplasm of descending colon

    8. C18.7 Malignant neoplasm of sigmoid colon

      Inclusion term(s):

      • Malignant neoplasm of sigmoid (flexure)
    9. C18.8 Malignant neoplasm of overlapping sites of colon

    10. C18.9 Malignant neoplasm of colon, unspecified

      Inclusion term(s):

      • Malignant neoplasm of large intestine NOS
Abbreviations used here:

NEC Not elsewhere classifiable
This abbreviation in the Tabular List represents “other specified”. When a specific code is not available for a condition, the Tabular List includes an NEC entry under a code to identify the code as the “other specified” code.

NOS Not otherwise specified
This abbreviation is the equivalent of unspecified.