ICD-10-CM › C00-D49 › C81-C96 › C86 Other specified types of T/NK-cell lymphoma › C86.1

C86.1

Hepatosplenic T-cell lymphoma

Not billableICD-10-CM diagnosis code.

This code exists but cannot be submitted on its own. It groups the more specific codes beneath it.

Billable FY2016 to FY2024, and a category header from FY2025.

Submit one of these 2 more specific codes instead:

  • C86.10 Hepatosplenic T-cell lymphoma not having achieved remission
  • C86.11 Hepatosplenic T-cell lymphoma, in remission

What has happened to this code

Every change the publisher made, from 2010 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.

  1. FY2010 Added to the draft code set draft Hepatosplenic T-cell lymphoma
  2. FY2025 Stopped being billable

Official coding rules

Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.

Inherited from C86 Other specified types of T/NK-cell lymphoma

Excludes1 - never 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-)

Inherited from the C81-C96 section Malignant neoplasms of lymphoid, hematopoietic and related tissue (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)

How CDC's index refers to this code

Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.

Codes in the same group

CodeDescriptionStatus
C86.0 Extranodal NK/T-cell lymphoma, nasal type Not billable
C86.2 Enteropathy-type (intestinal) T-cell lymphoma Not billable
C86.3 Subcutaneous panniculitis-like T-cell lymphoma Not billable
C86.4 Blastic NK-cell lymphoma Not billable
C86.5 Angioimmunoblastic T-cell lymphoma Not billable
C86.6 Primary cutaneous CD30-positive T-cell proliferations Not billable