2026 ICD-10-CM Diagnosis Code C83Non-follicular lymphoma

ICD-10-CM Codes›C00–D49›C81-C96›C83

ICD-10-CM C83
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

C83 is a non-billable ICD-10-CM category code for non-follicular lymphoma, so it cannot be submitted on claims. Use a more specific code from this category instead, such as C83.00, C83.01, C83.02, and C83.03.

Code Identity

ICD-10-CM Code
C83
Billable Status
No — Non-Billable Category
Code Describes
Non-follicular lymphoma
Short Description
Non-follicular lymphoma
Same as the full description in the CMS dataset.
Chapter
C81-C96
Malignant neoplasms of lymphoid, hematopoietic and related tissue

Code Classification

ChapterC00–D49Neoplasms
SectionC81-C96Malignant neoplasms of lymphoid, hematopoietic and related tissue
CategoryC83Non-follicular lymphoma
This CodeC83Non-follicular lymphoma

Specific Coding for Non-follicular lymphomaOverview

Non-specific codes like C83 require more characters. Use one of these billable codes instead:

  • C83.0 for Small cell B-cell lymphoma

  • Use C83.00 for Small cell B-cell lymphoma, unspecified site

  • Use C83.01 for Small cell B-cell lymphoma, lymph nodes of head, face, and neck

  • Use C83.02 for Small cell B-cell lymphoma, intrathoracic lymph nodes

  • Use C83.03 for Small cell B-cell lymphoma, intra-abdominal lymph nodes

  • Use C83.04 for Small cell B-cell lymphoma, lymph nodes of axilla and upper limb

  • Use C83.05 for Small cell B-cell lymphoma, lymph nodes of inguinal region and lower limb

  • Use C83.06 for Small cell B-cell lymphoma, intrapelvic lymph nodes

  • Use C83.07 for Small cell B-cell lymphoma, spleen

  • Use C83.08 for Small cell B-cell lymphoma, lymph nodes of multiple sites

  • Use C83.09 for Small cell B-cell lymphoma, extranodal and solid organ sites

  • Use C83.0A for Small cell B-cell lymphoma, in remission

  • C83.1 for Mantle cell lymphoma

  • Use C83.10 for Mantle cell lymphoma, unspecified site

  • Use C83.11 for Mantle cell lymphoma, lymph nodes of head, face, and neck

  • Use C83.12 for Mantle cell lymphoma, intrathoracic lymph nodes

  • Use C83.13 for Mantle cell lymphoma, intra-abdominal lymph nodes

  • Use C83.14 for Mantle cell lymphoma, lymph nodes of axilla and upper limb

  • Use C83.15 for Mantle cell lymphoma, lymph nodes of inguinal region and lower limb

  • Use C83.16 for Mantle cell lymphoma, intrapelvic lymph nodes

  • Use C83.17 for Mantle cell lymphoma, spleen

  • Use C83.18 for Mantle cell lymphoma, lymph nodes of multiple sites

  • Use C83.19 for Mantle cell lymphoma, extranodal and solid organ sites

  • Use C83.1A for Mantle cell lymphoma, in remission

  • C83.3 for Diffuse large B-cell lymphoma

  • Use C83.30 for Diffuse large B-cell lymphoma, unspecified site

  • Use C83.31 for Diffuse large B-cell lymphoma, lymph nodes of head, face, and neck

  • Use C83.32 for Diffuse large B-cell lymphoma, intrathoracic lymph nodes

  • Use C83.33 for Diffuse large B-cell lymphoma, intra-abdominal lymph nodes

  • Use C83.34 for Diffuse large B-cell lymphoma, lymph nodes of axilla and upper limb

  • Use C83.35 for Diffuse large B-cell lymphoma, lymph nodes of inguinal region and lower limb

  • Use C83.36 for Diffuse large B-cell lymphoma, intrapelvic lymph nodes

  • Use C83.37 for Diffuse large B-cell lymphoma, spleen

  • Use C83.38 for Diffuse large B-cell lymphoma, lymph nodes of multiple sites

  • C83.39 for Diffuse large B-cell lymphoma, extranodal and solid organ sites

  • Use C83.3A for Diffuse large B-cell lymphoma, in remission

  • C83.5 for Lymphoblastic (diffuse) lymphoma

  • Use C83.50 for Lymphoblastic (diffuse) lymphoma, unspecified site

  • Use C83.51 for Lymphoblastic (diffuse) lymphoma, lymph nodes of head, face, and neck

  • Use C83.52 for Lymphoblastic (diffuse) lymphoma, intrathoracic lymph nodes

  • Use C83.53 for Lymphoblastic (diffuse) lymphoma, intra-abdominal lymph nodes

  • Use C83.54 for Lymphoblastic (diffuse) lymphoma, lymph nodes of axilla and upper limb

  • Use C83.55 for Lymphoblastic (diffuse) lymphoma, lymph nodes of inguinal region and lower limb

  • Use C83.56 for Lymphoblastic (diffuse) lymphoma, intrapelvic lymph nodes

  • Use C83.57 for Lymphoblastic (diffuse) lymphoma, spleen

  • Use C83.58 for Lymphoblastic (diffuse) lymphoma, lymph nodes of multiple sites

  • Use C83.59 for Lymphoblastic (diffuse) lymphoma, extranodal and solid organ sites

  • Use C83.5A for Lymphoblastic (diffuse) lymphoma, in remission

  • C83.7 for Burkitt lymphoma

  • Use C83.70 for Burkitt lymphoma, unspecified site

  • Use C83.71 for Burkitt lymphoma, lymph nodes of head, face, and neck

  • Use C83.72 for Burkitt lymphoma, intrathoracic lymph nodes

  • Use C83.73 for Burkitt lymphoma, intra-abdominal lymph nodes

  • Use C83.74 for Burkitt lymphoma, lymph nodes of axilla and upper limb

  • Use C83.75 for Burkitt lymphoma, lymph nodes of inguinal region and lower limb

  • Use C83.76 for Burkitt lymphoma, intrapelvic lymph nodes

  • Use C83.77 for Burkitt lymphoma, spleen

  • Use C83.78 for Burkitt lymphoma, lymph nodes of multiple sites

  • Use C83.79 for Burkitt lymphoma, extranodal and solid organ sites

  • Use C83.7A for Burkitt lymphoma, in remission

  • C83.8 for Other non-follicular lymphoma

  • Use C83.80 for Other non-follicular lymphoma, unspecified site

  • Use C83.81 for Other non-follicular lymphoma, lymph nodes of head, face, and neck

  • Use C83.82 for Other non-follicular lymphoma, intrathoracic lymph nodes

  • Use C83.83 for Other non-follicular lymphoma, intra-abdominal lymph nodes

  • Use C83.84 for Other non-follicular lymphoma, lymph nodes of axilla and upper limb

  • Use C83.85 for Other non-follicular lymphoma, lymph nodes of inguinal region and lower limb

  • Use C83.86 for Other non-follicular lymphoma, intrapelvic lymph nodes

  • Use C83.87 for Other non-follicular lymphoma, spleen

  • Use C83.88 for Other non-follicular lymphoma, lymph nodes of multiple sites

  • Use C83.89 for Other non-follicular lymphoma, extranodal and solid organ sites

  • Use C83.8A for Other non-follicular lymphoma, in remission

  • C83.9 for Non-follicular (diffuse) lymphoma, unspecified

  • Use C83.90 for Non-follicular (diffuse) lymphoma, unspecified, unspecified site

  • Use C83.91 for Non-follicular (diffuse) lymphoma, unspecified, lymph nodes of head, face, and neck

  • Use C83.92 for Non-follicular (diffuse) lymphoma, unspecified, intrathoracic lymph nodes

  • Use C83.93 for Non-follicular (diffuse) lymphoma, unspecified, intra-abdominal lymph nodes

  • Use C83.94 for Non-follicular (diffuse) lymphoma, unspecified, lymph nodes of axilla and upper limb

  • Use C83.95 for Non-follicular (diffuse) lymphoma, unspecified, lymph nodes of inguinal region and lower limb

  • Use C83.96 for Non-follicular (diffuse) lymphoma, unspecified, intrapelvic lymph nodes

  • Use C83.97 for Non-follicular (diffuse) lymphoma, unspecified, spleen

  • Use C83.98 for Non-follicular (diffuse) lymphoma, unspecified, lymph nodes of multiple sites

  • Use C83.99 for Non-follicular (diffuse) lymphoma, unspecified, extranodal and solid organ sites

  • Use C83.9A for Non-follicular (diffuse) lymphoma, unspecified, in remission

Tabular List NotesGuidance

Coding notes and annotation back-references applicable to this code.

Type 1 Excludes

  • personal history of non-Hodgkin lymphoma Z85.72

Patient EducationClinical

Lymphoma

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.

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About C83Overview

Is C83 (Non-follicular lymphoma) a billable code?

No. This is a category header that groups the codes for non-follicular lymphoma, and headers cannot be submitted on claims. Claims for non-follicular lymphoma need a more specific code from this category, such as C83.00, C83.01, and C83.02.