Chapter 2

C00–D49: Neoplasms

Neoplasms diagnostic classification updated for 2026.

Internal Codes
  • C82.07

    Follicular lymphoma grade I, spleen

  • C82.08

    Follicular lymphoma grade I, lymph nodes of multiple sites

  • C82.09

    Follicular lymphoma grade I, extranodal and solid organ sites

  • C82.0A

    Follicular lymphoma grade I, in remission

  • C82.1

    Follicular lymphoma grade II

  • C82.10

    Follicular lymphoma grade II, unspecified site

  • C82.11

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

  • C82.12

    Follicular lymphoma grade II, intrathoracic lymph nodes

  • C82.13

    Follicular lymphoma grade II, intra-abdominal lymph nodes

  • C82.14

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

  • C82.15

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

  • C82.16

    Follicular lymphoma grade II, intrapelvic lymph nodes

  • C82.17

    Follicular lymphoma grade II, spleen

  • C82.18

    Follicular lymphoma grade II, lymph nodes of multiple sites

  • C82.19

    Follicular lymphoma grade II, extranodal and solid organ sites

  • C82.1A

    Follicular lymphoma grade II, in remission

  • C82.2

    Follicular lymphoma grade III, unspecified

  • C82.20

    Follicular lymphoma grade III, unspecified, unspecified site

  • C82.21

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

  • C82.22

    Follicular lymphoma grade III, unspecified, intrathoracic lymph nodes

  • C82.23

    Follicular lymphoma grade III, unspecified, intra-abdominal lymph nodes

  • C82.24

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

  • C82.25

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

  • C82.26

    Follicular lymphoma grade III, unspecified, intrapelvic lymph nodes

  • C82.27

    Follicular lymphoma grade III, unspecified, spleen

  • 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

  • C82.3

    Follicular lymphoma grade IIIa

  • 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

  • C82.4

    Follicular lymphoma grade IIIb

  • 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

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