ICD-10 C86
Non-Billable HeaderOther specified types of T/NK-cell lymphoma
About ICD-10-CM C86
ICD-10-CM code C86 represents Other specified types of T/NK-cell lymphoma. This is a non-billable header code in the chapter (block C86). The 2026 edition of ICD-10-CM C86 became effective on October 1, 2025. Non-billable codes cannot be used as a primary or secondary diagnosis on a claim, use a more specific child code instead.
Type 1 Excludes
Pure excludes, these codes can never be coded together with C86. The conditions are mutually exclusive (e.g., congenital vs acquired forms).
- 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-)
Medicare LCD Coverage for C86
Local Coverage Determinations (LCDs) from CMS MACs that list C86 as a covered diagnosis.
This doesn't mean the code isn't covered, it means no MAC has issued a Local Coverage Determination naming this specific code. Coverage may still apply under National Coverage Determinations or general medical-necessity rules.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing C86.
Our payer policy database covers Aetna, Cigna, Anthem, BCBS, Humana, and Medicare Advantage plans, but C86 doesn't currently appear in any indexed policy. The code may still be covered under standard plan benefits.
CPT Codes Commonly Billed with C86
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
We don't have CPT pairings indexed for this specific code yet. Use the CPT search above to find common procedures, or check your payer's published medical policy for code-specific guidance.
Codes Adjacent To C86
Other codes in section C81-C96 (Malignant neoplasms of lymphoid, hematopoietic and related tissue).
ICD-10 C86, Billing FAQ
Is ICD-10 code C86 billable? +
No, C86 is a non-billable header code. Use a more specific child code from block C86 when submitting claims.
What codes are Type 1 Excludes for C86? +
Type 1 Excludes (never code together with C86): anaplastic large cell lymphoma, ALK negative (C84.7-); anaplastic large cell lymphoma, ALK positive (C84.6-); mature T/NK-cell lymphomas (C84.-)
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Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on May 31, 2026.
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