Chapter 2

C00–D49: Neoplasms

Neoplasms diagnostic classification updated for 2026.

Internal Codes
  • C83.5A|

    Lymphoblastic (diffuse) lymphoma, in remission

  • C83.7|

    Burkitt lymphoma

  • C83.70|

    Burkitt lymphoma, unspecified site

  • C83.71|

    Burkitt lymphoma, lymph nodes of head, face, and neck

  • C83.72|

    Burkitt lymphoma, intrathoracic lymph nodes

  • C83.73|

    Burkitt lymphoma, intra-abdominal lymph nodes

  • C83.74|

    Burkitt lymphoma, lymph nodes of axilla and upper limb

  • C83.75|

    Burkitt lymphoma, lymph nodes of inguinal region and lower limb

  • C83.76|

    Burkitt lymphoma, intrapelvic lymph nodes

  • C83.77|

    Burkitt lymphoma, spleen

  • C83.78|

    Burkitt lymphoma, lymph nodes of multiple sites

  • C83.79|

    Burkitt lymphoma, extranodal and solid organ sites

  • C83.7A|

    Burkitt lymphoma, in remission

  • C83.8|

    Other non-follicular lymphoma

  • C83.80|

    Other non-follicular lymphoma, unspecified site

  • C83.81|

    Other non-follicular lymphoma, lymph nodes of head, face, and neck

  • C83.82|

    Other non-follicular lymphoma, intrathoracic lymph nodes

  • C83.83|

    Other non-follicular lymphoma, intra-abdominal lymph nodes

  • C83.84|

    Other non-follicular lymphoma, lymph nodes of axilla and upper limb

  • C83.85|

    Other non-follicular lymphoma, lymph nodes of inguinal region and lower limb

  • C83.86|

    Other non-follicular lymphoma, intrapelvic lymph nodes

  • C83.87|

    Other non-follicular lymphoma, spleen

  • C83.88|

    Other non-follicular lymphoma, lymph nodes of multiple sites

  • C83.89|

    Other non-follicular lymphoma, extranodal and solid organ sites

  • C83.8A|

    Other non-follicular lymphoma, in remission

  • C83.9|

    Non-follicular (diffuse) lymphoma, unspecified

  • C83.90|

    Non-follicular (diffuse) lymphoma, unspecified, unspecified site

  • C83.91|

    Non-follicular (diffuse) lymphoma, unspecified, lymph nodes of head, face, and neck

  • C83.92|

    Non-follicular (diffuse) lymphoma, unspecified, intrathoracic lymph nodes

  • C83.93|

    Non-follicular (diffuse) lymphoma, unspecified, intra-abdominal lymph nodes

  • C83.94|

    Non-follicular (diffuse) lymphoma, unspecified, lymph nodes of axilla and upper limb

  • C83.95|

    Non-follicular (diffuse) lymphoma, unspecified, lymph nodes of inguinal region and lower limb

  • C83.96|

    Non-follicular (diffuse) lymphoma, unspecified, intrapelvic lymph nodes

  • C83.97|

    Non-follicular (diffuse) lymphoma, unspecified, spleen

  • C83.98|

    Non-follicular (diffuse) lymphoma, unspecified, lymph nodes of multiple sites

  • C83.99|

    Non-follicular (diffuse) lymphoma, unspecified, extranodal and solid organ sites

  • C83.9A|

    Non-follicular (diffuse) lymphoma, unspecified, in remission

  • C84|

    Mature T/NK-cell lymphomas

  • C84.0|

    Mycosis fungoides

  • C84.00|

    Mycosis fungoides, unspecified site

  • C84.01|

    Mycosis fungoides, lymph nodes of head, face, and neck

  • C84.02|

    Mycosis fungoides, intrathoracic lymph nodes

  • C84.03|

    Mycosis fungoides, intra-abdominal lymph nodes

  • C84.04|

    Mycosis fungoides, lymph nodes of axilla and upper limb

  • C84.05|

    Mycosis fungoides, lymph nodes of inguinal region and lower limb

  • C84.06|

    Mycosis fungoides, intrapelvic lymph nodes

  • C84.07|

    Mycosis fungoides, spleen

  • C84.08|

    Mycosis fungoides, lymph nodes of multiple sites

  • C84.09|

    Mycosis fungoides, extranodal and solid organ sites

  • C84.0A|

    Mycosis fungoides, in remission

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