C83.398 – Diffuse large B-cell lymphoma of other extranodal and solid organ sites

ICD-10-CM 2027 diagnosis code · Malignant neoplasms of lymphoid, hematopoietic and related tissue

Billable code

ICD-10-CM code C83.398

Code: C83.398 (claims format: C83398)
Description: Diffuse large B-cell lymphoma of other extranodal and solid organ sites
Short description: Diffuse large B-cell lymph of extrnod and solid organ sites
Billable: Yes – valid for HIPAA-covered transactions
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 2. Neoplasms (C00-D49)
Block: C81-C96 Malignant neoplasms of lymphoid, hematopoietic and related tissue
Parent codes: C83 › C83.3 › C83.39

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

C83 – Non-follicular lymphoma

Excludes1 (not coded here):

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

C83.3 – Diffuse large B-cell lymphoma

Applicable to:

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.-)

Block C81-C96

Excludes2 (not included here):

Kaposi's sarcoma of lymph nodes (C46.3)
secondary and unspecified neoplasm of lymph nodes (C77.-)
secondary neoplasm of bone marrow (C79.52)
secondary neoplasm of spleen (C78.89)

Index terms for C83.398

Entries in the ICD-10-CM alphabetic index that lead to this code:

Lymphoma, diffuse large cell, extranodal and solid organ sites NEC

Related codes in C83.39

C83.390 – Primary central nervous system lymphomaBillable

Frequently asked questions

What is ICD-10 code C83.398?

C83.398 is the ICD-10-CM code for diffuse large B-cell lymphoma of other extranodal and solid organ sites, in the block C81-C96 (Malignant neoplasms of lymphoid, hematopoietic and related tissue).

Is C83.398 a billable code?

Yes. C83.398 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does C83.398 belong to?

It belongs to category C83 – Non-follicular lymphoma.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.