C83.3
Non-Billable

Diffuse large B-cell lymphoma

Non-Billable / Non-Specific Code

What is Diffuse large B-cell lymphoma?

ICD-10-CM C83.3 is the diagnosis code for Diffuse large B-cell lymphoma. This code falls under the section "Malignant neoplasms of lymphoid, hematopoietic and related tissue" within Chapter 2 — Neoplasms (C00-D49). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.

💡 Inclusions
⛔ Excludes1

Coding Guidelines for C83.3

✅ This Code 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

⛔ Type 1 Excludes (Never code together)

The following conditions should never be coded at the same time as C83.3. They are mutually exclusive:

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

ICD-10-CM Code Hierarchy

Understanding where C83.3 sits in the ICD-10-CM classification helps ensure proper coding:

Sub-Codes 11 entries
C83.30Diffuse large B-cell lymphoma, unspecified siteBillableC83.31Diffuse large B-cell lymphoma, lymph nodes of head, face, and neckBillableC83.32Diffuse large B-cell lymphoma, intrathoracic lymph nodesBillableC83.33Diffuse large B-cell lymphoma, intra-abdominal lymph nodesBillableC83.34Diffuse large B-cell lymphoma, lymph nodes of axilla and upper limbBillableC83.35Diffuse large B-cell lymphoma, lymph nodes of inguinal region and lower limbBillableC83.36Diffuse large B-cell lymphoma, intrapelvic lymph nodesBillableC83.37Diffuse large B-cell lymphoma, spleenBillableC83.38Diffuse large B-cell lymphoma, lymph nodes of multiple sitesBillableC83.39Diffuse large B-cell lymphoma, extranodal and solid organ sitesNon-BillableC83.390Primary central nervous system lymphomaBillableC83.398Diffuse large B-cell lymphoma of other extranodal and solid organ sitesBillableC83.3ADiffuse large B-cell lymphoma, in remissionBillable
Related Codes

Frequently Asked Questions

Is C83.3 a billable ICD-10-CM code?

No, C83.3 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.

What does C83.3 mean?

C83.3 is the ICD-10-CM diagnosis code for "Diffuse large B-cell lymphoma". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What is the parent code of C83.3?

The parent code of C83.3 is C83 ("Non-follicular lymphoma"). C83.3 provides a more specific classification within this category.

What section is C83.3 in?

C83.3 is located in Section C81-C96 — "Malignant neoplasms of lymphoid, hematopoietic and related tissue" within Chapter 2 of the ICD-10-CM Tabular List.

What are the sub-codes of C83.3?

C83.3 has 11 sub-code(s) that provide more specific detail: C83.30, C83.31, C83.32, C83.33, C83.34 and more.

When should I use C83.3?

Use C83.3 when the patients documented diagnosis matches "Diffuse large B-cell lymphoma" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.

People Also Ask

What is the ICD-10 code for Diffuse large B-cell lymphoma?

The ICD-10-CM code for Diffuse large B-cell lymphoma is C83.3.

Can C83.3 be used for primary diagnosis?

No, C83.3 is non-billable. Use a more specific sub-code for primary diagnosis billing.

What chapter is C83.3 in?

C83.3 is in Chapter 2 of the ICD-10-CM Tabular List.

What conditions are excluded from C83.3?

Type 1 Excludes for C83.3 include: mediastinal (thymic) large B-cell lymphoma (C85.2-); mature T/NK-cell lymphomas (C84.-).

Is C83.3 valid for 2026?

Yes, C83.3 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousC83.1AMantle cell lymphoma, in remissionNext →C83.30Diffuse large B-cell lymphoma, unspecified site
Code Details
C83.3
Diffuse large B-cell lymphoma
Non-Billable / Non-Specific Code
2 — Neoplasms (C00-D49)
C81-C96 — Malignant neoplasms of lymphoid, hematopoietic and related tissue
2026 ICD-10-CM