All ICD10 Codes
Chapter 2

C00–D49: Neoplasms

Neoplasms diagnostic classification updated for 2026.

All CodesBillable Only
Internal Codes
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  • C79.62—

    Secondary malignant neoplasm of left ovary

  • C79.63—

    Secondary malignant neoplasm of bilateral ovaries

  • C79.70—

    Secondary malignant neoplasm of unspecified adrenal gland

  • C79.71—

    Secondary malignant neoplasm of right adrenal gland

  • C79.72—

    Secondary malignant neoplasm of left adrenal gland

  • C79.81—

    Secondary malignant neoplasm of breast

  • C79.82—

    Secondary malignant neoplasm of genital organs

  • C79.89—

    Secondary malignant neoplasm of other specified sites

  • C79.9—

    Secondary malignant neoplasm of unspecified site

  • C7A.00—

    Malignant carcinoid tumor of unspecified site

  • C7A.010—

    Malignant carcinoid tumor of the duodenum

  • C7A.011—

    Malignant carcinoid tumor of the jejunum

  • C7A.012—

    Malignant carcinoid tumor of the ileum

  • C7A.019—

    Malignant carcinoid tumor of the small intestine, unspecified portion

  • C7A.020—

    Malignant carcinoid tumor of the appendix

  • C7A.021—

    Malignant carcinoid tumor of the cecum

  • C7A.022—

    Malignant carcinoid tumor of the ascending colon

  • C7A.023—

    Malignant carcinoid tumor of the transverse colon

  • C7A.024—

    Malignant carcinoid tumor of the descending colon

  • C7A.025—

    Malignant carcinoid tumor of the sigmoid colon

  • C7A.026—

    Malignant carcinoid tumor of the rectum

  • C7A.029—

    Malignant carcinoid tumor of the large intestine, unspecified portion

  • C7A.090—

    Malignant carcinoid tumor of the bronchus and lung

  • C7A.091—

    Malignant carcinoid tumor of the thymus

  • C7A.092—

    Malignant carcinoid tumor of the stomach

  • C7A.093—

    Malignant carcinoid tumor of the kidney

  • C7A.094—

    Malignant carcinoid tumor of the foregut, unspecified

  • C7A.095—

    Malignant carcinoid tumor of the midgut, unspecified

  • C7A.096—

    Malignant carcinoid tumor of the hindgut, unspecified

  • C7A.098—

    Malignant carcinoid tumors of other sites

  • C7A.1—

    Malignant poorly differentiated neuroendocrine tumors

  • C7A.8—

    Other malignant neuroendocrine tumors

  • C7B.00—

    Secondary carcinoid tumors, unspecified site

  • C7B.01—

    Secondary carcinoid tumors of distant lymph nodes

  • C7B.02—

    Secondary carcinoid tumors of liver

  • C7B.03—

    Secondary carcinoid tumors of bone

  • C7B.04—

    Secondary carcinoid tumors of peritoneum

  • C7B.09—

    Secondary carcinoid tumors of other sites

  • C7B.1—

    Secondary Merkel cell carcinoma

  • C7B.8—

    Other secondary neuroendocrine tumors

  • C80.0—

    Disseminated malignant neoplasm, unspecified

  • C80.1—

    Malignant (primary) neoplasm, unspecified

  • C80.2—

    Malignant neoplasm associated with transplanted organ

  • C81.00—

    Nodular lymphocyte predominant Hodgkin lymphoma, unspecified site

  • C81.01—

    Nodular lymphocyte predominant Hodgkin lymphoma, lymph nodes of head, face, and neck

  • C81.02—

    Nodular lymphocyte predominant Hodgkin lymphoma, intrathoracic lymph nodes

  • C81.03—

    Nodular lymphocyte predominant Hodgkin lymphoma, intra-abdominal lymph nodes

  • C81.04—

    Nodular lymphocyte predominant Hodgkin lymphoma, lymph nodes of axilla and upper limb

  • C81.05—

    Nodular lymphocyte predominant Hodgkin lymphoma, lymph nodes of inguinal region and lower limb

  • C81.06—

    Nodular lymphocyte predominant Hodgkin lymphoma, intrapelvic lymph nodes

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