C86.21 Enteropathy-type (intestinal) T-cell lymphoma, in remission

✓ Billable ICD-10-CM 2026
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The ICD-10-CM code for Enteropathy-type (intestinal) T-cell lymphoma, in remission is C86.21 (FY2026). It is a billable, claim-ready diagnosis code.

Classification

Section
C81-C96: Malignant neoplasms of lymphoid, hematopoietic and related tissue (C81-C96)
Category C86
22 codes (14 billable)
FY2026 Status
Introduced in FY2025

Inclusion Terms

  • Enteropathy associated T-cell lymphoma, in remission

Official Coding Guidelines

Tx of primary site (TOC entry)

a. Admission/Encounter for treatment of primary site ............................................................. 33

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.2.a
Tx of secondary site (TOC entry)

b. Admission/Encounter for treatment of secondary site .......................................................... 33

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.2.b

Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026

References

Related Codes

Parent Code

C86 Other specified types of T/NK-cell lymphoma

Related Codes in C86

C86 Other specified types of T/NK-cell lymphoma C86.0 Extranodal NK/T-cell lymphoma, nasal type C86.00 Extranodal NK/T-cell lymphoma, nasal type not having achieved remission C86.01 Extranodal NK/T-cell lymphoma, nasal type, in remission C86.1 Hepatosplenic T-cell lymphoma C86.10 Hepatosplenic T-cell lymphoma not having achieved remission C86.11 Hepatosplenic T-cell lymphoma, in remission C86.2 Enteropathy-type (intestinal) T-cell lymphoma C86.20 Enteropathy-type (intestinal) T-cell lymphoma not having achieved remission C86.3 Subcutaneous panniculitis-like T-cell lymphoma C86.30 Subcutaneous panniculitis-like T-cell lymphoma not having achieved remission C86.31 Subcutaneous panniculitis-like T-cell lymphoma, in remission C86.4 Blastic NK-cell lymphoma C86.40 Blastic NK-cell lymphoma not having achieved remission C86.41 Blastic NK-cell lymphoma, in remission C86.5 Angioimmunoblastic T-cell lymphoma C86.50 Angioimmunoblastic T-cell lymphoma not having achieved remission C86.51 Angioimmunoblastic T-cell lymphoma, in remission C86.6 Primary cutaneous CD30-positive T-cell proliferations C86.60 Primary cutaneous CD30-positive T-cell proliferations not having achieved remission
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Reviewed by Prajwal Shrestha, CPC, CRC
Certified Professional Coder (CPC) and Certified Risk Adjustment Coder (CRC) · AAPC Member ID 01997614 · About · Editorial policy · Content last reviewed: 2025-10-01

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