C83.3

Non-billable

Diffuse large B-cell lymphoma

C83.3 is the ICD-10-CM code for Diffuse large B-cell lymphoma. It is a non-billable category code — use a more specific child code such as C83.30 for billing.

Status
Header (non-billable)
Chapter
C00-D49
Parent
C83
Subcodes
11
Edition
FY2026

C00-D49 Neoplasms

Includes

  • 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 — not coded here

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

Frequently asked questions

What is ICD-10 code C83.3?
C83.3 is the ICD-10-CM code for "Diffuse large B-cell lymphoma". It falls under C00-D49 Neoplasms.
Is C83.3 a billable code?
No — C83.3 is a non-billable header code. Use a more specific child code (such as C83.30) for billing.
What are the subcodes of C83.3?
C83.3 has 11 more specific child codes, including C83.30, C83.31, C83.32.
What is excluded from C83.3?
Excludes1 (not coded here): mediastinal (thymic) large B-cell lymphoma (C85.2-); mature T/NK-cell lymphomas (C84.-).

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

Look up another ICD-10 code or condition

Powered by Eleplan

Free ICD-10 lookup is just the start. Eleplan keeps the whole care plan in one place.

Diagnoses, medications, documents, appointments, and the whole care team — organized and always in sync, with Ellie, your AI care assistant, on top of it. Free to start.