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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