C86
ICD-10Non-billable categoryOther specified types of T/NK-cell lymphoma
Official ICD-10-CM descriptor (FY2026)
Other specified types of T/NK-cell lymphoma
C86 is a category heading, not a billable code. CMS does not accept it on a claim; report one of the more specific codes beneath it.
Excludes1
Not coded here. An Excludes1 code should never be reported at the same time as the code above it.
- 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-)
More specific codes under C86
- C86.0Extranodal NK/T-cell lymphoma, nasal typecategory
- C86.1Hepatosplenic T-cell lymphomacategory
- C86.2Enteropathy-type (intestinal) T-cell lymphomacategory
- C86.3Subcutaneous panniculitis-like T-cell lymphomacategory
- C86.4Blastic NK-cell lymphomacategory
- C86.5Angioimmunoblastic T-cell lymphomacategory
- C86.6Primary cutaneous CD30-positive T-cell proliferationscategory
Where this code sits
- Chapter
- 2. Neoplasms (C00-D49)
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ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.