2025 ICD-10-CM Diagnosis Code C86.00

Extranodal NK/T-cell lymphoma, nasal type not having achieved remission

ICD-10-CM Code:
C86.00
ICD-10 Code for:
Extranodal NK/T-cell lymphoma, nasal type not remission
Is Billable?
Yes - Valid for Submission
Code Navigator:

C86.00 is a billable diagnosis code used to specify a medical diagnosis of extranodal nk/t-cell lymphoma, nasal type not having achieved remission. The code is valid during the current fiscal year for the submission of HIPAA-covered transactions from October 01, 2024 through September 30, 2025.

Code Classification

  • Neoplasms
    (C00–D49)
    • Malignant neoplasms of lymphoid, hematopoietic and related tissue
      (C81-C96)
      • Other specified types of T/NK-cell lymphoma
        (C86)

Approximate Synonyms

The following list of clinical terms are approximate synonyms, alternative descriptions, or common phrases that might be used by patients, healthcare providers, or medical coders to describe the same condition. These synonyms and related diagnosis terms are often used when searching for an ICD-10-CM code, especially when the exact medical terminology is unclear. Whether you're looking for lay terms, similar diagnosis names, or common language alternatives, this list can help guide you to the correct diagnosis code.

  • Angiocentric NK/T-cell malignant lymphoma involving skin
  • Extranodal NK/T-cell lymphoma, nasal type

New 2025 ICD-10-CM Code

C86.00 is new to ICD-10-CM code set for the FY 2025, effective October 1, 2024. The National Center for Health Statistics (NCHS) has published an update to the ICD-10-CM diagnosis codes which became effective October 1, 2024. This is a new and revised code for the FY 2025 (October 1, 2024 - September 30, 2025).

Tabular List of Diseases and Injuries

The following annotation back-references are applicable to this diagnosis code. The Tabular List of Diseases and Injuries is a list of ICD-10-CM codes, organized "head to toe" into chapters and sections with coding notes and guidance for inclusions, exclusions, descriptions and more.


Inclusion Terms

Inclusion Terms
These terms are the conditions for which that code is to be used. The terms may be synonyms of the code title, or, in the case of "other specified" codes, the terms are a list of the various conditions assigned to that code. The inclusion terms are not necessarily exhaustive. Additional terms found only in the Alphabetic Index may also be assigned to a code.
  • Extranodal NK/T-cell lymphoma, nasal type NOS
  • Extranodal NK/T-cell lymphoma, nasal type with failed remission

Replacement Code

C8600 replaces the following previously assigned ICD-10-CM code(s):

  • C86.0 - Extranodal NK/T-cell lymphoma, nasal type

Code History