1. D3A Benign neuroendocrine tumors

    Use additional code to identify any associated endocrine syndrome, such as:
    carcinoid syndrome (E34.0)

    Excludes2

    • benign pancreatic islet cell tumors (D13.7)
    1. D3A.0 Benign carcinoid tumors

      1. D3A.00 Benign carcinoid tumor of unspecified site

        Inclusion term(s):

        • Carcinoid tumor NOS
      2. D3A.01 Benign carcinoid tumors of the small intestine

        • D3A.010 Benign carcinoid tumor of the duodenum
        • D3A.011 Benign carcinoid tumor of the jejunum
        • D3A.012 Benign carcinoid tumor of the ileum
        • D3A.019 Benign carcinoid tumor of the small intestine, unspecified portion
      3. D3A.02 Benign carcinoid tumors of the appendix, large intestine, and rectum

        • D3A.020 Benign carcinoid tumor of the appendix
        • D3A.021 Benign carcinoid tumor of the cecum
        • D3A.022 Benign carcinoid tumor of the ascending colon
        • D3A.023 Benign carcinoid tumor of the transverse colon
        • D3A.024 Benign carcinoid tumor of the descending colon
        • D3A.025 Benign carcinoid tumor of the sigmoid colon
        • D3A.026 Benign carcinoid tumor of the rectum
        • D3A.029 Benign carcinoid tumor of the large intestine, unspecified portion

          Inclusion term(s):

          • Benign carcinoid tumor of the colon NOS
      4. D3A.09 Benign carcinoid tumors of other sites

        • D3A.090 Benign carcinoid tumor of the bronchus and lung
        • D3A.091 Benign carcinoid tumor of the thymus
        • D3A.092 Benign carcinoid tumor of the stomach
        • D3A.093 Benign carcinoid tumor of the kidney
        • D3A.094 Benign carcinoid tumor of the foregut, unspecified
        • D3A.095 Benign carcinoid tumor of the midgut, unspecified
        • D3A.096 Benign carcinoid tumor of the hindgut, unspecified
        • D3A.098 Benign carcinoid tumors of other sites
    2. D3A.8 Other benign neuroendocrine tumors

      Inclusion term(s):

      • Neuroendocrine tumor 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.