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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