C86Header code — not billable

Other specified types of T/NK-cell lymphoma

Chapter
2. Neoplasms
Category
C86
Effective date
October 1, 2026

Related codes in category C86

Frequently asked questions

What is ICD-10 code C86?

C86 is an ICD-10-CM diagnosis code for Other specified types of T/NK-cell lymphoma.

Is C86 a billable code?

No. C86 is a category/header code, not billable on its own — use one of its more specific child codes instead.

What ICD-10-CM chapter is C86 in?

C86 falls under Chapter 2: Neoplasms.

When did C86 become effective?

C86 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to C86?

C86 belongs to category C86, which includes 12 other codes — see the related codes list on this page.

ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.