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C86 ICD-10-CM Code: Other specified types of T/NK-cell lymphoma

A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.

Official description

C86

Other specified types of T/NK-cell lymphoma

ICD-10-CM diagnosis code · United States clinical modification

Where C86 sits

  1. 1

    Chapter 2

    Neoplasms (C00-D49)

  2. 2

    Section

    Malignant neoplasms of lymphoid, hematopoietic and related tissue (C81-C96)

  3. 3

    Category C86

    Other specified types of T/NK-cell lymphoma

  4. 4

    Code C86

    Other specified types of T/NK-cell lymphoma

Codes under C86

C86 is a non-billable category. Choose the child code that best matches the documented diagnosis.

C86.0Extranodal NK/T-cell lymphoma, nasal typeC86.1Hepatosplenic T-cell lymphomaC86.2Enteropathy-type (intestinal) T-cell lymphomaC86.3Subcutaneous panniculitis-like T-cell lymphomaC86.4Blastic NK-cell lymphomaC86.5Angioimmunoblastic T-cell lymphomaC86.6Primary cutaneous CD30-positive T-cell proliferations

Notes for this code

Inclusion terms

No inclusion terms are listed for C86.

Code first

No “code first” instruction is listed for C86.

Use additional code

No “use additional code” instruction is listed for C86.

Excludes1

Conditions that should not be reported together with this code.

  • 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-)

Excludes2

Conditions not included here that may be reported separately when present.

No Excludes2 note is listed for C86.

Source and release

Data release
U.S. ICD-10-CM · FY 2027
Effective date
Oct 1, 2026

This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.

Review the CDC/NCHS ICD-10-CM source

Frequently asked questions

What does ICD-10-CM code C86 mean?

C86 is the FY 2027 U.S. ICD-10-CM code for “Other specified types of T/NK-cell lymphoma.”

Is C86 a billable or specific ICD-10-CM code?

No. C86 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.

Where is C86 located in ICD-10-CM?

C86 is listed in Chapter 2, Neoplasms (C00-D49), within Malignant neoplasms of lymphoid, hematopoietic and related tissue (C81-C96) (C81–C96), under category C86, Other specified types of T/NK-cell lymphoma.

What coding notes are listed for C86?

No inclusion terms are listed for C86 in this reference record. No code-first instruction is listed. Excludes1 notes: 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-). No Excludes2 note is listed.