C86.01 – Extranodal NK/T-cell lymphoma, nasal type, in remission

ICD-10-CM 2027 diagnosis code · Malignant neoplasms of lymphoid, hematopoietic and related tissue

Billable code

ICD-10-CM code C86.01

Code: C86.01 (claims format: C8601)
Description: Extranodal NK/T-cell lymphoma, nasal type, in remission
Billable: Yes – valid for HIPAA-covered transactions
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 2. Neoplasms (C00-D49)
Block: C81-C96 Malignant neoplasms of lymphoid, hematopoietic and related tissue
Parent codes: C86 › C86.0

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

C86 – Other specified types of T/NK-cell lymphoma

Excludes1 (not coded here):

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-)

Block C81-C96

Excludes2 (not included here):

Kaposi's sarcoma of lymph nodes (C46.3)
secondary and unspecified neoplasm of lymph nodes (C77.-)
secondary neoplasm of bone marrow (C79.52)
secondary neoplasm of spleen (C78.89)

Related codes in C86.0

C86.00 – Extranodal NK/T-cell lymphoma, nasal type not having achieved remissionBillable

Frequently asked questions

What is ICD-10 code C86.01?

C86.01 is the ICD-10-CM code for extranodal NK/T-cell lymphoma, nasal type, in remission, in the block C81-C96 (Malignant neoplasms of lymphoid, hematopoietic and related tissue).

Is C86.01 a billable code?

Yes. C86.01 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does C86.01 belong to?

It belongs to category C86 – Other specified types of T/NK-cell lymphoma.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.