C83.3 Diffuse large B-cell lymphoma

⚠ Non-Billable ICD-10-CM 2026
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The ICD-10-CM code for Diffuse large B-cell lymphoma is C83.3 (FY2026). It is a non-billable category code — select a more specific code below for claims.

Classification

Section
C81-C96: Malignant neoplasms of lymphoid, hematopoietic and related tissue (C81-C96)
Category C83
87 codes (78 billable)
FY2026 Status
Stable since FY2024

Also Known As

ICD-10-CM Alphabetic Index entries that lead to C83.3:

  • Lymphoma (of) (malignant) › diffuse large cell
  • Lymphoma (of) (malignant) › diffuse large cell › plasmablastic
  • Lymphoma (of) (malignant) › diffuse large cell › subtype not specified
  • Lymphoma (of) (malignant) › diffuse large cell › CD30-positive
  • Lymphoma (of) (malignant) › diffuse large cell › immunoblastic
  • Lymphoma (of) (malignant) › diffuse large cell › B-cell
  • Lymphoma (of) (malignant) › diffuse large cell › centroblastic
  • Lymphoma (of) (malignant) › diffuse large cell › anaplastic
Excludes1
Not coded here. These conditions should NOT be coded together with C83.3.
  • mediastinal (thymic) large B-cell lymphoma (C85.2-)
  • mature T/NK-cell lymphomas (C84.-)

Inclusion Terms

  • 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

Official Coding Guidelines

Tx of primary site (TOC entry)

a. Admission/Encounter for treatment of primary site ............................................................. 33

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.2.a
Tx of secondary site (TOC entry)

b. Admission/Encounter for treatment of secondary site .......................................................... 33

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.2.b

Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026

References

Related Codes

Parent Code

C83 Non-follicular lymphoma

More Specific Codes

C83.30 Diffuse large B-cell lymphoma, unspecified site C83.31 Diffuse large B-cell lymphoma, lymph nodes of head, face, and neck C83.32 Diffuse large B-cell lymphoma, intrathoracic lymph nodes C83.33 Diffuse large B-cell lymphoma, intra-abdominal lymph nodes C83.34 Diffuse large B-cell lymphoma, lymph nodes of axilla and upper limb C83.35 Diffuse large B-cell lymphoma, lymph nodes of inguinal region and lower limb C83.36 Diffuse large B-cell lymphoma, intrapelvic lymph nodes C83.37 Diffuse large B-cell lymphoma, spleen C83.38 Diffuse large B-cell lymphoma, lymph nodes of multiple sites C83.39 Diffuse large B-cell lymphoma, extranodal and solid organ sites C83.390 Primary central nervous system lymphoma C83.398 Diffuse large B-cell lymphoma of other extranodal and solid organ sites C83.3A Diffuse large B-cell lymphoma, in remission

Related Codes in C83

C83 Non-follicular lymphoma C83.0 Small cell B-cell lymphoma C83.00 Small cell B-cell lymphoma, unspecified site C83.01 Small cell B-cell lymphoma, lymph nodes of head, face, and neck C83.02 Small cell B-cell lymphoma, intrathoracic lymph nodes C83.03 Small cell B-cell lymphoma, intra-abdominal lymph nodes C83.04 Small cell B-cell lymphoma, lymph nodes of axilla and upper limb C83.05 Small cell B-cell lymphoma, lymph nodes of inguinal region and lower limb C83.06 Small cell B-cell lymphoma, intrapelvic lymph nodes C83.07 Small cell B-cell lymphoma, spleen C83.08 Small cell B-cell lymphoma, lymph nodes of multiple sites C83.09 Small cell B-cell lymphoma, extranodal and solid organ sites C83.0A Small cell B-cell lymphoma, in remission C83.1 Mantle cell lymphoma C83.10 Mantle cell lymphoma, unspecified site C83.11 Mantle cell lymphoma, lymph nodes of head, face, and neck C83.12 Mantle cell lymphoma, intrathoracic lymph nodes C83.13 Mantle cell lymphoma, intra-abdominal lymph nodes C83.14 Mantle cell lymphoma, lymph nodes of axilla and upper limb C83.15 Mantle cell lymphoma, lymph nodes of inguinal region and lower limb
Search all 70,000+ ICD-10-CM codes →
Reviewed by Prajwal Shrestha, CPC, CRC
Certified Professional Coder (CPC) and Certified Risk Adjustment Coder (CRC) · AAPC Member ID 01997614 · About · Editorial policy · Content last reviewed: 2025-10-01

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