All ICD10 Codes
Chapter 2

C00–D49: Neoplasms

Neoplasms diagnostic classification updated for 2026.

All CodesBillable Only
Internal Codes
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  • C79.6|

    Secondary malignant neoplasm of ovary

  • C79.60|

    Secondary malignant neoplasm of unspecified ovary

  • C79.61|

    Secondary malignant neoplasm of right ovary

  • C79.62|

    Secondary malignant neoplasm of left ovary

  • C79.63|

    Secondary malignant neoplasm of bilateral ovaries

  • C79.7|

    Secondary malignant neoplasm of adrenal gland

  • 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

  • C79.8|

    Secondary malignant neoplasm of other specified sites

  • 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|

    Malignant neuroendocrine tumors

  • C7A.0|

    Malignant carcinoid tumors

  • C7A.00|

    Malignant carcinoid tumor of unspecified site

  • C7A.01|

    Malignant carcinoid tumors of the small intestine

  • 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.02|

    Malignant carcinoid tumors of the appendix, large intestine, and rectum

  • 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.09|

    Malignant carcinoid tumors of other sites

  • 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|

    Secondary neuroendocrine tumors

  • C7B.0|

    Secondary carcinoid 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

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