Excludes1

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

Excludes2

  • gastrointestinal stromal tumors (C49.A-)
  1. C26 Malignant neoplasm of other and ill-defined digestive organs

    Excludes1

    • malignant neoplasm of peritoneum and retroperitoneum (C48.-)
    1. C26.0 Malignant neoplasm of intestinal tract, part unspecified

      Inclusion term(s):

      • Malignant neoplasm of intestine NOS
    2. C26.1 Malignant neoplasm of spleen

    3. C26.9 Malignant neoplasm of ill-defined sites within the digestive system

      Inclusion term(s):

      • Malignant neoplasm of alimentary canal or tract NOS
      • Malignant neoplasm of gastrointestinal tract 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.