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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

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What this means — in plain language

MedlinePlus · NIH

Lymphoma is a cancer of a part of the immune system called the lymph system. There are many types of lymphoma. One type is Hodgkin disease . The rest are called non-Hodgkin lymphomas. Non-Hodgkin lymphomas begin when a type of white blood cell, called a T cell or B cell, becomes abnormal. The cell divides again and again, making more and more abnormal cells. These abnormal cells can spread to almost any other part…

Read more about Lymphoma at MedlinePlus ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

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.-)

Medications indicated for this condition

FDA labeling

Drugs whose FDA labeling lists this condition's category among its indications. Informational only — not a treatment recommendation or medical advice.

Conditions mapped to this code

MedlinePlus · NIH
Lymphoma

Plain-language health-topic references grounded in MedlinePlus (NIH/NLM).

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.

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