Chapter 2

C00–D49: Neoplasms

Neoplasms diagnostic classification updated for 2026.

Internal Codes
  • C82.49

    Follicular lymphoma grade IIIb, extranodal and solid organ sites

  • C82.4A

    Follicular lymphoma grade IIIb, in remission

  • C82.5

    Diffuse follicle center lymphoma

  • 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

  • C82.6

    Cutaneous follicle center lymphoma

  • 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

  • C82.8

    Other types of follicular lymphoma

  • 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

  • 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

  • C82.9

    Follicular lymphoma, unspecified

  • 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

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