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C83.3

C83.3: Diffuse large B-cell lymphoma

Non-billable headerICD-10-CM

C83.3 is a non-billable header ICD-10-CM code for diffuse large b-cell lymphoma. It cannot be billed on its own: choose one of the more specific child codes below.

Excludes1: never code together

These conditions cannot occur together. Billing both on the same encounter is a denial.

  • mediastinal (thymic) large B-cell lymphoma (C85.2-)
  • mature T/NK-cell lymphomas (C84.-)

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

  • Anaplastic diffuse large B-cell lymphoma
  • CD30-positive diffuse large B-cell lymphoma
  • Centroblastic diffuse large B-cell lymphoma
  • Diffuse large B-cell lymphoma, subtype not specified
  • Immunoblastic diffuse large B-cell lymphoma
  • Plasmablastic diffuse large B-cell lymphoma
  • T-cell rich diffuse large B-cell lymphoma

Excludes1 inherited from the categories above C83.3

A category’s note binds every code beneath it.

Written on C83: Non-follicular lymphoma

  • personal history of non-Hodgkin lymphoma (Z85.72)

Other codes that can never be billed with C83.3

Their own Excludes1 notes name this code, so the conflict is not listed above.

  • C88.4Extranodal marginal zone B-cell lymphoma of mucosa-associated lymphoid tissue [MALT-lymphoma]
  • C83.8Other non-follicular lymphoma

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Code history

Unchanged in every release from FY2024 to FY2027.

Code to one of these instead C83.3

11 child codes. Green means billable.

Other codes under C83

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.