Chapter 2

C00–D49: Neoplasms

Neoplasms diagnostic classification updated for 2026.

Internal Codes
  • C85.23

    Mediastinal (thymic) large B-cell lymphoma, intra-abdominal lymph nodes

  • C85.24

    Mediastinal (thymic) large B-cell lymphoma, lymph nodes of axilla and upper limb

  • C85.25

    Mediastinal (thymic) large B-cell lymphoma, lymph nodes of inguinal region and lower limb

  • C85.26

    Mediastinal (thymic) large B-cell lymphoma, intrapelvic lymph nodes

  • C85.27

    Mediastinal (thymic) large B-cell lymphoma, spleen

  • C85.28

    Mediastinal (thymic) large B-cell lymphoma, lymph nodes of multiple sites

  • C85.29

    Mediastinal (thymic) large B-cell lymphoma, extranodal and solid organ sites

  • C85.2A

    Mediastinal (thymic) large B-cell lymphoma, in remission

  • C85.80

    Other specified types of non-Hodgkin lymphoma, unspecified site

  • C85.81

    Other specified types of non-Hodgkin lymphoma, lymph nodes of head, face, and neck

  • C85.82

    Other specified types of non-Hodgkin lymphoma, intrathoracic lymph nodes

  • C85.83

    Other specified types of non-Hodgkin lymphoma, intra-abdominal lymph nodes

  • C85.84

    Other specified types of non-Hodgkin lymphoma, lymph nodes of axilla and upper limb

  • C85.85

    Other specified types of non-Hodgkin lymphoma, lymph nodes of inguinal region and lower limb

  • C85.86

    Other specified types of non-Hodgkin lymphoma, intrapelvic lymph nodes

  • C85.87

    Other specified types of non-Hodgkin lymphoma, spleen

  • C85.88

    Other specified types of non-Hodgkin lymphoma, lymph nodes of multiple sites

  • C85.89

    Other specified types of non-Hodgkin lymphoma, extranodal and solid organ sites

  • C85.8A

    Other specified types of non-Hodgkin lymphoma, in remission

  • C85.90

    Non-Hodgkin lymphoma, unspecified, unspecified site

  • C85.91

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

  • C85.92

    Non-Hodgkin lymphoma, unspecified, intrathoracic lymph nodes

  • C85.93

    Non-Hodgkin lymphoma, unspecified, intra-abdominal lymph nodes

  • C85.94

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

  • C85.95

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

  • C85.96

    Non-Hodgkin lymphoma, unspecified, intrapelvic lymph nodes

  • C85.97

    Non-Hodgkin lymphoma, unspecified, spleen

  • C85.98

    Non-Hodgkin lymphoma, unspecified, lymph nodes of multiple sites

  • C85.99

    Non-Hodgkin lymphoma, unspecified, extranodal and solid organ sites

  • C85.9A

    Non-Hodgkin lymphoma, unspecified, in remission

  • C86.00

    Extranodal NK/T-cell lymphoma, nasal type not having achieved remission

  • C86.01

    Extranodal NK/T-cell lymphoma, nasal type, in remission

  • C86.10

    Hepatosplenic T-cell lymphoma not having achieved remission

  • C86.11

    Hepatosplenic T-cell lymphoma, in remission

  • C86.20

    Enteropathy-type (intestinal) T-cell lymphoma not having achieved remission

  • C86.21

    Enteropathy-type (intestinal) T-cell lymphoma, in remission

  • C86.30

    Subcutaneous panniculitis-like T-cell lymphoma not having achieved remission

  • C86.31

    Subcutaneous panniculitis-like T-cell lymphoma, in remission

  • C86.40

    Blastic NK-cell lymphoma not having achieved remission

  • C86.41

    Blastic NK-cell lymphoma, in remission

  • C86.50

    Angioimmunoblastic T-cell lymphoma not having achieved remission

  • C86.51

    Angioimmunoblastic T-cell lymphoma, in remission

  • C86.60

    Primary cutaneous CD30-positive T-cell proliferations not having achieved remission

  • C86.61

    Primary cutaneous CD30-positive T-cell proliferations, in remission

  • C88.00

    Waldenström macroglobulinemia not having achieved remission

  • C88.01

    Waldenström macroglobulinemia, in remission

  • C88.20

    Heavy chain disease not having achieved remission

  • C88.21

    Heavy chain disease, in remission

  • C88.30

    Immunoproliferative small intestinal disease not having achieved remission

  • C88.31

    Immunoproliferative small intestinal disease, in remission

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