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


  • gastrointestinal stromal tumors (C49.A-)
  1. C17 Malignant neoplasm of small intestine


    • malignant carcinoid tumors of the small intestine (C7A.01)
    1. C17.0 Malignant neoplasm of duodenum

    2. C17.1 Malignant neoplasm of jejunum

    3. C17.2 Malignant neoplasm of ileum

    4. C17.3 Meckel's diverticulum, malignant

    5. C17.8 Malignant neoplasm of overlapping sites of small intestine

    6. C17.9 Malignant neoplasm of small intestine, unspecified

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.