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C86.0

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

Non-billable headerICD-10-CM

C86.0 is a non-billable header ICD-10-CM code for extranodal nk/t-cell lymphoma, nasal type. It cannot be billed on its own: choose one of the more specific child codes below.

Excludes1 inherited from the categories above C86.0

A category’s note binds every code beneath it.

Written on C86: Other specified types of T/NK-cell lymphoma

  • anaplastic large cell lymphoma, ALK negative (C84.7-)
  • anaplastic large cell lymphoma, ALK positive (C84.6-)
  • mature T/NK-cell lymphomas (C84.-)
  • other specified types of non-Hodgkin lymphoma (C85.8-)

Other codes that can never be billed with C86.0

Their own Excludes1 notes name this code, so the conflict is not listed above.

  • D76Other specified diseases with participation of lymphoreticular and reticulohistiocytic tissue
  • C84.ZOther mature T/NK-cell lymphomas
  • C85Other specified and unspecified types of non-Hodgkin lymphoma

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

C86.0 is named in 1 Medicare coverage policy: 1 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A59491Billing and Coding: Genetic Testing for Oncology

Code history

  • deletedFY2024-FY2027

    Extranodal NK/T-cell lymphoma, nasal type

Code to one of these instead C86.0

2 child codes. Green means billable.

Other codes under C86

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.