Chapter 2

C00–D49: Neoplasms

Neoplasms diagnostic classification updated for 2026.

Internal Codes
  • C82.83

    Other types of follicular lymphoma, intra-abdominal lymph nodes

  • C82.84

    Other types of follicular lymphoma, lymph nodes of axilla and upper limb

  • C82.85

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

  • C82.86

    Other types of follicular lymphoma, intrapelvic lymph nodes

  • C82.87

    Other types of follicular lymphoma, spleen

  • C82.88

    Other types of follicular lymphoma, lymph nodes of multiple sites

  • C82.89

    Other types of follicular lymphoma, extranodal and solid organ sites

  • C82.8A

    Other types of follicular lymphoma, in remission

  • C82.90

    Follicular lymphoma, unspecified, unspecified site

  • C82.91

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

  • C82.92

    Follicular lymphoma, unspecified, intrathoracic lymph nodes

  • C82.93

    Follicular lymphoma, unspecified, intra-abdominal lymph nodes

  • C82.94

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

  • C82.95

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

  • C82.96

    Follicular lymphoma, unspecified, intrapelvic lymph nodes

  • C82.97

    Follicular lymphoma, unspecified, spleen

  • C82.98

    Follicular lymphoma, unspecified, lymph nodes of multiple sites

  • C82.99

    Follicular lymphoma, unspecified, extranodal and solid organ sites

  • C82.9A

    Follicular lymphoma, unspecified, in remission

  • C83.00

    Small cell B-cell lymphoma, unspecified site

  • C83.01

    Small cell B-cell lymphoma, lymph nodes of head, face, and neck

  • C83.02

    Small cell B-cell lymphoma, intrathoracic lymph nodes

  • C83.03

    Small cell B-cell lymphoma, intra-abdominal lymph nodes

  • C83.04

    Small cell B-cell lymphoma, lymph nodes of axilla and upper limb

  • C83.05

    Small cell B-cell lymphoma, lymph nodes of inguinal region and lower limb

  • C83.06

    Small cell B-cell lymphoma, intrapelvic lymph nodes

  • C83.07

    Small cell B-cell lymphoma, spleen

  • C83.08

    Small cell B-cell lymphoma, lymph nodes of multiple sites

  • C83.09

    Small cell B-cell lymphoma, extranodal and solid organ sites

  • C83.0A

    Small cell B-cell lymphoma, in remission

  • C83.10

    Mantle cell lymphoma, unspecified site

  • C83.11

    Mantle cell lymphoma, lymph nodes of head, face, and neck

  • C83.12

    Mantle cell lymphoma, intrathoracic lymph nodes

  • C83.13

    Mantle cell lymphoma, intra-abdominal lymph nodes

  • C83.14

    Mantle cell lymphoma, lymph nodes of axilla and upper limb

  • C83.15

    Mantle cell lymphoma, lymph nodes of inguinal region and lower limb

  • C83.16

    Mantle cell lymphoma, intrapelvic lymph nodes

  • C83.17

    Mantle cell lymphoma, spleen

  • C83.18

    Mantle cell lymphoma, lymph nodes of multiple sites

  • C83.19

    Mantle cell lymphoma, extranodal and solid organ sites

  • C83.1A

    Mantle cell lymphoma, in remission

  • C83.30

    Diffuse large B-cell lymphoma, unspecified site

  • C83.31

    Diffuse large B-cell lymphoma, lymph nodes of head, face, and neck

  • C83.32

    Diffuse large B-cell lymphoma, intrathoracic lymph nodes

  • C83.33

    Diffuse large B-cell lymphoma, intra-abdominal lymph nodes

  • C83.34

    Diffuse large B-cell lymphoma, lymph nodes of axilla and upper limb

  • C83.35

    Diffuse large B-cell lymphoma, lymph nodes of inguinal region and lower limb

  • C83.36

    Diffuse large B-cell lymphoma, intrapelvic lymph nodes

  • C83.37

    Diffuse large B-cell lymphoma, spleen

  • C83.38

    Diffuse large B-cell lymphoma, lymph nodes of multiple sites

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