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

ICD-10-CM Diagnosis Code (2025)

Official Description for C86

Other specified types of T/NK-cell lymphoma

Coding Notes & Guidelines for C86

Excludes1: Not Coded Here
  • 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-)
Inclusion Terms
  • Extranodal NK/T-cell lymphoma, nasal type NOS
  • Extranodal NK/T-cell lymphoma, nasal type with failed remission
Inclusion Terms

Alpha-beta and gamma delta types

Inclusion Terms
  • Hepatosplenic T-cell lymphoma NOS
  • Hepatosplenic T-cell lymphoma with failed remission
Inclusion Terms

Enteropathy associated T-cell lymphoma

Inclusion Terms
  • Enteropathy associated T-cell lymphoma NOS
  • Enteropathy associated T-cell lymphoma not having achieved remission
  • Enteropathy associated T-cell lymphoma with failed remission
  • Enteropathy-type (intestinal) T-cell lymphoma NOS
  • Enteropathy-type (intestinal) T-cell lymphoma with failed remission
Inclusion Terms

Enteropathy associated T-cell lymphoma, in remission

Inclusion Terms
  • Subcutaneous panniculitis-like T-cell lymphoma NOS
  • Subcutaneous panniculitis-like T-cell lymphoma with failed remission
Inclusion Terms

Blastic plasmacytoid dendritic cell neoplasm (BPDCN)

Inclusion Terms
  • Blastic NK-cell lymphoma NOS
  • Blastic NK-cell lymphoma with failed remission
  • Blastic plasmacytoid dendritic cell neoplasm (BPDCN) NOS
  • Blastic plasmacytoid dendritic cell neoplasm (BPDCN) not having achieved remission
  • Blastic plasmacytoid dendritic cell neoplasm (BPDCN) with failed remission
Inclusion Terms

Blastic plasmacytoid dendritic cell neoplasm (BPDCN), in remission

Inclusion Terms

Angioimmunoblastic lymphadenopathy with dysproteinemia (AILD)

Inclusion Terms
  • Angioimmunoblastic lymphadenopathy with dysproteinemia (AILD) NOS
  • Angioimmunoblastic lymphadenopathy with dysproteinemia (AILD) not having achieved remission
  • Angioimmunoblastic lymphadenopathy with dysproteinemia (AILD) with failed remission
  • Angioimmunoblastic T-cell lymphoma NOS
  • Angioimmunoblastic T-cell lymphoma with failed remission
Inclusion Terms

Angioimmunoblastic lymphadenopathy with dysproteinemia (AILD), in remission

Inclusion Terms
  • Lymphomatoid papulosis
  • Primary cutaneous anaplastic large cell lymphoma
  • Primary cutaneous CD30-positive large T-cell lymphoma
Inclusion Terms
  • Lymphomatoid papulosis NOS
  • Lymphomatoid papulosis not having achieved remission
  • Lymphomatoid papulosis with failed remission
  • Primary cutaneous anaplastic large cell lymphoma NOS
  • Primary cutaneous anaplastic large cell lymphoma not having achieved remission
  • Primary cutaneous anaplastic large cell lymphoma with failed remission
  • Primary cutaneous CD30-positive large T-cell lymphoma NOS
  • Primary cutaneous CD30-positive large T-cell lymphoma not having achieved remission
  • Primary cutaneous CD30-positive large T-cell lymphoma with failed remission
  • Primary cutaneous CD30-positive T-cell proliferations NOS
  • Primary cutaneous CD30-positive T-cell proliferations with failed remission

Child Codes (More Specific Codes for C86):

C86.0 - Extranodal NK/T-cell lymphoma, nasal type C86.00 - Extranodal NK/T-cell lymphoma, nasal type not having achieved remission C86.01 - Extranodal NK/T-cell lymphoma, nasal type, in remission C86.1 - Hepatosplenic T-cell lymphoma C86.10 - Hepatosplenic T-cell lymphoma not having achieved remission C86.11 - Hepatosplenic T-cell lymphoma, in remission C86.2 - Enteropathy-type (intestinal) T-cell lymphoma C86.20 - Enteropathy-type (intestinal) T-cell lymphoma not having achieved remission C86.21 - Enteropathy-type (intestinal) T-cell lymphoma, in remission C86.3 - Subcutaneous panniculitis-like T-cell lymphoma C86.30 - Subcutaneous panniculitis-like T-cell lymphoma not having achieved remission C86.31 - Subcutaneous panniculitis-like T-cell lymphoma, in remission C86.4 - Blastic NK-cell lymphoma C86.40 - Blastic NK-cell lymphoma not having achieved remission C86.41 - Blastic NK-cell lymphoma, in remission C86.5 - Angioimmunoblastic T-cell lymphoma C86.50 - Angioimmunoblastic T-cell lymphoma not having achieved remission C86.51 - Angioimmunoblastic T-cell lymphoma, in remission C86.6 - Primary cutaneous CD30-positive T-cell proliferations C86.60 - Primary cutaneous CD30-positive T-cell proliferations not having achieved remission C86.61 - Primary cutaneous CD30-positive T-cell proliferations, in remission

About ICD-10-CM Code C86 (Other specified types of T/NK-cell lymphoma)

ICD-10-CM code C86 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM C86 became effective on October 1, 2024.

This page provides detailed information about C86 - Other specified types of T/NK-cell lymphoma. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Other specified types of T/NK-cell lymphoma.