2026 ICD-10-CM Diagnosis Code C85Other specified and unspecified types of non-Hodgkin lymphoma

ICD-10-CM Codes›C00–D49›C81-C96›C85

ICD-10-CM C85
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

C85 is a non-billable ICD-10-CM category code for other specified and unspecified types of non-Hodgkin lymphoma, so it cannot be submitted on claims. Use a more specific code from this category instead, such as C85.10, C85.11, C85.12, and C85.13.

Code Identity

ICD-10-CM Code
C85
Billable Status
No — Non-Billable Category
Code Describes
Other specified and unspecified types of non-Hodgkin lymphoma
Short Description
Oth and unspecified types of non-Hodgkin lymphoma
Chapter
C81-C96
Malignant neoplasms of lymphoid, hematopoietic and related tissue

Code Classification

ChapterC00–D49Neoplasms
SectionC81-C96Malignant neoplasms of lymphoid, hematopoietic and related tissue
CategoryC85Other specified and unspecified types of non-Hodgkin lymphoma
This CodeC85Other specified and unspecified types of non-Hodgkin lymphoma

Specific Coding for Oth and unspecified types of non-Hodgkin lymphomaOverview

Non-specific codes like C85 require more characters. Use one of these billable codes instead:

  • C85.1 for Unspecified B-cell lymphoma

  • Use C85.10 for Unspecified B-cell lymphoma, unspecified site

  • Use C85.11 for Unspecified B-cell lymphoma, lymph nodes of head, face, and neck

  • Use C85.12 for Unspecified B-cell lymphoma, intrathoracic lymph nodes

  • Use C85.13 for Unspecified B-cell lymphoma, intra-abdominal lymph nodes

  • Use C85.14 for Unspecified B-cell lymphoma, lymph nodes of axilla and upper limb

  • Use C85.15 for Unspecified B-cell lymphoma, lymph nodes of inguinal region and lower limb

  • Use C85.16 for Unspecified B-cell lymphoma, intrapelvic lymph nodes

  • Use C85.17 for Unspecified B-cell lymphoma, spleen

  • Use C85.18 for Unspecified B-cell lymphoma, lymph nodes of multiple sites

  • Use C85.19 for Unspecified B-cell lymphoma, extranodal and solid organ sites

  • Use C85.1A for Unspecified B-cell lymphoma, in remission

  • C85.2 for Mediastinal (thymic) large B-cell lymphoma

  • Use C85.20 for Mediastinal (thymic) large B-cell lymphoma, unspecified site

  • Use C85.21 for Mediastinal (thymic) large B-cell lymphoma, lymph nodes of head, face, and neck

  • Use C85.22 for Mediastinal (thymic) large B-cell lymphoma, intrathoracic lymph nodes

  • Use C85.23 for Mediastinal (thymic) large B-cell lymphoma, intra-abdominal lymph nodes

  • Use C85.24 for Mediastinal (thymic) large B-cell lymphoma, lymph nodes of axilla and upper limb

  • Use C85.25 for Mediastinal (thymic) large B-cell lymphoma, lymph nodes of inguinal region and lower limb

  • Use C85.26 for Mediastinal (thymic) large B-cell lymphoma, intrapelvic lymph nodes

  • Use C85.27 for Mediastinal (thymic) large B-cell lymphoma, spleen

  • Use C85.28 for Mediastinal (thymic) large B-cell lymphoma, lymph nodes of multiple sites

  • Use C85.29 for Mediastinal (thymic) large B-cell lymphoma, extranodal and solid organ sites

  • Use C85.2A for Mediastinal (thymic) large B-cell lymphoma, in remission

  • C85.8 for Other specified types of non-Hodgkin lymphoma

  • Use C85.80 for Other specified types of non-Hodgkin lymphoma, unspecified site

  • Use C85.81 for Other specified types of non-Hodgkin lymphoma, lymph nodes of head, face, and neck

  • Use C85.82 for Other specified types of non-Hodgkin lymphoma, intrathoracic lymph nodes

  • Use C85.83 for Other specified types of non-Hodgkin lymphoma, intra-abdominal lymph nodes

  • Use C85.84 for Other specified types of non-Hodgkin lymphoma, lymph nodes of axilla and upper limb

  • Use C85.85 for Other specified types of non-Hodgkin lymphoma, lymph nodes of inguinal region and lower limb

  • Use C85.86 for Other specified types of non-Hodgkin lymphoma, intrapelvic lymph nodes

  • Use C85.87 for Other specified types of non-Hodgkin lymphoma, spleen

  • Use C85.88 for Other specified types of non-Hodgkin lymphoma, lymph nodes of multiple sites

  • Use C85.89 for Other specified types of non-Hodgkin lymphoma, extranodal and solid organ sites

  • Use C85.8A for Other specified types of non-Hodgkin lymphoma, in remission

  • C85.9 for Non-Hodgkin lymphoma, unspecified

  • Use C85.90 for Non-Hodgkin lymphoma, unspecified, unspecified site

  • Use C85.91 for Non-Hodgkin lymphoma, unspecified, lymph nodes of head, face, and neck

  • Use C85.92 for Non-Hodgkin lymphoma, unspecified, intrathoracic lymph nodes

  • Use C85.93 for Non-Hodgkin lymphoma, unspecified, intra-abdominal lymph nodes

  • Use C85.94 for Non-Hodgkin lymphoma, unspecified, lymph nodes of axilla and upper limb

  • Use C85.95 for Non-Hodgkin lymphoma, unspecified, lymph nodes of inguinal region and lower limb

  • Use C85.96 for Non-Hodgkin lymphoma, unspecified, intrapelvic lymph nodes

  • Use C85.97 for Non-Hodgkin lymphoma, unspecified, spleen

  • Use C85.98 for Non-Hodgkin lymphoma, unspecified, lymph nodes of multiple sites

  • Use C85.99 for Non-Hodgkin lymphoma, unspecified, extranodal and solid organ sites

  • Use C85.9A for Non-Hodgkin lymphoma, unspecified, in remission

Tabular List NotesGuidance

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

Type 1 Excludes

  • other specified types of T/NK-cell lymphoma C86
  • 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 C85Overview

Is C85 a billable code?

No. This is a category header that groups the codes for other specified and unspecified types of non-Hodgkin lymphoma, and headers cannot be submitted on claims. Claims for other specified and unspecified types of non-Hodgkin lymphoma need a more specific code from this category, such as C85.10, C85.11, and C85.12.