Chapter 2

C00–D49: Neoplasms

Neoplasms diagnostic classification updated for 2026.

Internal Codes
  • C82.28

    Follicular lymphoma grade III, unspecified, lymph nodes of multiple sites

  • C82.29

    Follicular lymphoma grade III, unspecified, extranodal and solid organ sites

  • C82.2A

    Follicular lymphoma grade III, unspecified, in remission

  • C82.30

    Follicular lymphoma grade IIIa, unspecified site

  • C82.31

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

  • C82.32

    Follicular lymphoma grade IIIa, intrathoracic lymph nodes

  • C82.33

    Follicular lymphoma grade IIIa, intra-abdominal lymph nodes

  • C82.34

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

  • C82.35

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

  • C82.36

    Follicular lymphoma grade IIIa, intrapelvic lymph nodes

  • C82.37

    Follicular lymphoma grade IIIa, spleen

  • C82.38

    Follicular lymphoma grade IIIa, lymph nodes of multiple sites

  • C82.39

    Follicular lymphoma grade IIIa, extranodal and solid organ sites

  • C82.3A

    Follicular lymphoma grade IIIa, in remission

  • C82.40

    Follicular lymphoma grade IIIb, unspecified site

  • C82.41

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

  • C82.42

    Follicular lymphoma grade IIIb, intrathoracic lymph nodes

  • C82.43

    Follicular lymphoma grade IIIb, intra-abdominal lymph nodes

  • C82.44

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

  • C82.45

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

  • C82.46

    Follicular lymphoma grade IIIb, intrapelvic lymph nodes

  • C82.47

    Follicular lymphoma grade IIIb, spleen

  • C82.48

    Follicular lymphoma grade IIIb, lymph nodes of multiple sites

  • C82.49

    Follicular lymphoma grade IIIb, extranodal and solid organ sites

  • C82.4A

    Follicular lymphoma grade IIIb, in remission

  • C82.50

    Diffuse follicle center lymphoma, unspecified site

  • C82.51

    Diffuse follicle center lymphoma, lymph nodes of head, face, and neck

  • C82.52

    Diffuse follicle center lymphoma, intrathoracic lymph nodes

  • C82.53

    Diffuse follicle center lymphoma, intra-abdominal lymph nodes

  • C82.54

    Diffuse follicle center lymphoma, lymph nodes of axilla and upper limb

  • C82.55

    Diffuse follicle center lymphoma, lymph nodes of inguinal region and lower limb

  • C82.56

    Diffuse follicle center lymphoma, intrapelvic lymph nodes

  • C82.57

    Diffuse follicle center lymphoma, spleen

  • C82.58

    Diffuse follicle center lymphoma, lymph nodes of multiple sites

  • C82.59

    Diffuse follicle center lymphoma, extranodal and solid organ sites

  • C82.5A

    Diffuse follicle center lymphoma, in remission

  • C82.60

    Cutaneous follicle center lymphoma, unspecified site

  • C82.61

    Cutaneous follicle center lymphoma, lymph nodes of head, face, and neck

  • C82.62

    Cutaneous follicle center lymphoma, intrathoracic lymph nodes

  • C82.63

    Cutaneous follicle center lymphoma, intra-abdominal lymph nodes

  • C82.64

    Cutaneous follicle center lymphoma, lymph nodes of axilla and upper limb

  • C82.65

    Cutaneous follicle center lymphoma, lymph nodes of inguinal region and lower limb

  • C82.66

    Cutaneous follicle center lymphoma, intrapelvic lymph nodes

  • C82.67

    Cutaneous follicle center lymphoma, spleen

  • C82.68

    Cutaneous follicle center lymphoma, lymph nodes of multiple sites

  • C82.69

    Cutaneous follicle center lymphoma, extranodal and solid organ sites

  • C82.6A

    Cutaneous follicle center lymphoma, in remission

  • C82.80

    Other types of follicular lymphoma, unspecified site

  • C82.81

    Other types of follicular lymphoma, lymph nodes of head, face, and neck

  • C82.82

    Other types of follicular lymphoma, intrathoracic lymph nodes

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