Chapter 2

C00–D49: Neoplasms

Neoplasms diagnostic classification updated for 2026.

Internal Codes
  • C81.36|

    Lymphocyte depleted Hodgkin lymphoma, intrapelvic lymph nodes

  • C81.37|

    Lymphocyte depleted Hodgkin lymphoma, spleen

  • C81.38|

    Lymphocyte depleted Hodgkin lymphoma, lymph nodes of multiple sites

  • C81.39|

    Lymphocyte depleted Hodgkin lymphoma, extranodal and solid organ sites

  • C81.3A|

    Lymphocyte depleted Hodgkin lymphoma, in remission

  • C81.4|

    Lymphocyte-rich Hodgkin lymphoma

  • C81.40|

    Lymphocyte-rich Hodgkin lymphoma, unspecified site

  • C81.41|

    Lymphocyte-rich Hodgkin lymphoma, lymph nodes of head, face, and neck

  • C81.42|

    Lymphocyte-rich Hodgkin lymphoma, intrathoracic lymph nodes

  • C81.43|

    Lymphocyte-rich Hodgkin lymphoma, intra-abdominal lymph nodes

  • C81.44|

    Lymphocyte-rich Hodgkin lymphoma, lymph nodes of axilla and upper limb

  • C81.45|

    Lymphocyte-rich Hodgkin lymphoma, lymph nodes of inguinal region and lower limb

  • C81.46|

    Lymphocyte-rich Hodgkin lymphoma, intrapelvic lymph nodes

  • C81.47|

    Lymphocyte-rich Hodgkin lymphoma, spleen

  • C81.48|

    Lymphocyte-rich Hodgkin lymphoma, lymph nodes of multiple sites

  • C81.49|

    Lymphocyte-rich Hodgkin lymphoma, extranodal and solid organ sites

  • C81.4A|

    Lymphocyte-rich Hodgkin lymphoma, in remission

  • C81.7|

    Other Hodgkin lymphoma

  • C81.70|

    Other Hodgkin lymphoma, unspecified site

  • C81.71|

    Other Hodgkin lymphoma, lymph nodes of head, face, and neck

  • C81.72|

    Other Hodgkin lymphoma, intrathoracic lymph nodes

  • C81.73|

    Other Hodgkin lymphoma, intra-abdominal lymph nodes

  • C81.74|

    Other Hodgkin lymphoma, lymph nodes of axilla and upper limb

  • C81.75|

    Other Hodgkin lymphoma, lymph nodes of inguinal region and lower limb

  • C81.76|

    Other Hodgkin lymphoma, intrapelvic lymph nodes

  • C81.77|

    Other Hodgkin lymphoma, spleen

  • C81.78|

    Other Hodgkin lymphoma, lymph nodes of multiple sites

  • C81.79|

    Other Hodgkin lymphoma, extranodal and solid organ sites

  • C81.7A|

    Other Hodgkin lymphoma, in remission

  • C81.9|

    Hodgkin lymphoma, unspecified

  • C81.90|

    Hodgkin lymphoma, unspecified, unspecified site

  • C81.91|

    Hodgkin lymphoma, unspecified, lymph nodes of head, face, and neck

  • C81.92|

    Hodgkin lymphoma, unspecified, intrathoracic lymph nodes

  • C81.93|

    Hodgkin lymphoma, unspecified, intra-abdominal lymph nodes

  • C81.94|

    Hodgkin lymphoma, unspecified, lymph nodes of axilla and upper limb

  • C81.95|

    Hodgkin lymphoma, unspecified, lymph nodes of inguinal region and lower limb

  • C81.96|

    Hodgkin lymphoma, unspecified, intrapelvic lymph nodes

  • C81.97|

    Hodgkin lymphoma, unspecified, spleen

  • C81.98|

    Hodgkin lymphoma, unspecified, lymph nodes of multiple sites

  • C81.99|

    Hodgkin lymphoma, unspecified, extranodal and solid organ sites

  • C81.9A|

    Hodgkin lymphoma, unspecified, in remission

  • C82|

    Follicular lymphoma

  • C82.0|

    Follicular lymphoma grade I

  • C82.00|

    Follicular lymphoma grade I, unspecified site

  • C82.01|

    Follicular lymphoma grade I, lymph nodes of head, face, and neck

  • C82.02|

    Follicular lymphoma grade I, intrathoracic lymph nodes

  • C82.03|

    Follicular lymphoma grade I, intra-abdominal lymph nodes

  • C82.04|

    Follicular lymphoma grade I, lymph nodes of axilla and upper limb

  • C82.05|

    Follicular lymphoma grade I, lymph nodes of inguinal region and lower limb

  • C82.06|

    Follicular lymphoma grade I, intrapelvic lymph nodes

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