C86
Header — not billableOther specified types of T/NK-cell lymphoma
The ICD-10 code for other specified types of t/nk-cell lymphoma is C86.
C86 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 7 more specific codes below.
Clinical notes
Excludes1 (not coded here)
An Excludes1 note is a pure exclusion: the excluded condition and this code should never be reported together, because the two conditions cannot occur at the same time (e.g. a congenital form vs. an acquired form of the same disease).
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This is a non-billable header code. Documentation must support a more specific child code before this diagnosis can be reported on a claim.
- •Confirm the excluded condition(s) listed above are not also present — Excludes1 conditions cannot be coded together with this one.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Child codes under C86
- C86.0Extranodal NK/T-cell lymphoma, nasal typenon-billable header
- C86.1Hepatosplenic T-cell lymphomanon-billable header
- C86.2Enteropathy-type (intestinal) T-cell lymphomanon-billable header
- C86.3Subcutaneous panniculitis-like T-cell lymphomanon-billable header
- C86.4Blastic NK-cell lymphomanon-billable header
- C86.5Angioimmunoblastic T-cell lymphomanon-billable header
- C86.6Primary cutaneous CD30-positive T-cell proliferationsnon-billable header
Related codes in this category
- C81Hodgkin lymphomanon-billable header
- C82Follicular lymphomanon-billable header
- C83Non-follicular lymphomanon-billable header
- C84Mature T/NK-cell lymphomasnon-billable header
- C85Other specified and unspecified types of non-Hodgkin lymphomanon-billable header
- C88Malignant immunoproliferative diseases and certain other B-cell lymphomasnon-billable header
- C90Multiple myeloma and malignant plasma cell neoplasmsnon-billable header
- C91Lymphoid leukemianon-billable header
- C92Myeloid leukemianon-billable header
- C93Monocytic leukemianon-billable header
- C94Other leukemias of specified cell typenon-billable header
- C95Leukemia of unspecified cell typenon-billable header
- C96Other and unspecified malignant neoplasms of lymphoid, hematopoietic and related tissuenon-billable header
- C86Other specified types of T/NK-cell lymphomanon-billable header