ICD-10-CM · Chapter 2
C84..Z Other mature T/NK-cell lymphomas
Excludes 1 (cannot be coded together)
- angioimmunoblastic T-cell lymphoma (C86.50)
- blastic NK-cell lymphoma (C86.40)
- enteropathy-type T-cell lymphoma (C86.20)
- extranodal NK-cell lymphoma, nasal type (C86.00)
- hepatosplenic T-cell lymphoma (C86.10)
- primary cutaneous CD30-positive T-cell proliferations (C86.60)
- subcutaneous panniculitis-like T-cell lymphoma (C86.30)
- T-cell leukemia (C91.1-)
Notes
- If T-cell lineage or involvement is mentioned in conjunction with a specific lymphoma, code to the more specific description.
Last reviewed: September 2026