All ICD10 Codes

C84.Z

Non-Billable
ChapterC00–D49
Ranksubcategory
Official Description

Other mature T/NK-cell lymphomas

Use a more specific code (11 billable)
C84.Z0Other mature T/NK-cell lymphomas, unspecified siteC84.Z1Other mature T/NK-cell lymphomas, lymph nodes of head, face, and neckC84.Z2Other mature T/NK-cell lymphomas, intrathoracic lymph nodesC84.Z3Other mature T/NK-cell lymphomas, intra-abdominal lymph nodesC84.Z4Other mature T/NK-cell lymphomas, lymph nodes of axilla and upper limbC84.Z5Other mature T/NK-cell lymphomas, lymph nodes of inguinal region and lower limbC84.Z6Other mature T/NK-cell lymphomas, intrapelvic lymph nodesC84.Z7Other mature T/NK-cell lymphomas, spleenC84.Z8Other mature T/NK-cell lymphomas, lymph nodes of multiple sitesC84.Z9Other mature T/NK-cell lymphomas, extranodal and solid organ sitesC84.ZAOther mature T/NK-cell lymphomas, in remission
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 2: Neoplasms (C00-D49).

Instructional Notes

Excludes1(Not coded here. Use a different code.)
  • angioimmunoblastic T-cell lymphoma (C86.50)
  • blastic NK-cell lymphoma (C86.40)
  • enteropathy-type T-cell lymphoma (C86.20)
  • extranodal NK-cell lymphoma, nasal type (C86.00)
  • hepatosplenic T-cell lymphoma (C86.10)
  • primary cutaneous CD30-positive T-cell proliferations (C86.60)
  • subcutaneous panniculitis-like T-cell lymphoma (C86.30)
  • T-cell leukemia (C91.1-)
General instructions are available for the parent sections:
View C81-C96 NotesView C84 Notes

Clinical Hierarchy

BillableHas subcodes
CH2Neoplasms (C00-D49)
C81-C96Malignant neoplasms of lymphoid, hematopoietic and related tissue (C81-C96)
C84Mature T/NK-cell lymphomas
C84.ZOther mature T/NK-cell lymphomasNot billable
C84.Z0Other mature T/NK-cell lymphomas, unspecified siteBillable
C84.Z1Other mature T/NK-cell lymphomas, lymph nodes of head, face, and neckBillable
C84.Z2Other mature T/NK-cell lymphomas, intrathoracic lymph nodesBillable
C84.Z3Other mature T/NK-cell lymphomas, intra-abdominal lymph nodesBillable
C84.Z4Other mature T/NK-cell lymphomas, lymph nodes of axilla and upper limbBillable
C84.Z5Other mature T/NK-cell lymphomas, lymph nodes of inguinal region and lower limbBillable
C84.Z6Other mature T/NK-cell lymphomas, intrapelvic lymph nodesBillable
C84.Z7Other mature T/NK-cell lymphomas, spleenBillable
C84.Z8Other mature T/NK-cell lymphomas, lymph nodes of multiple sitesBillable
C84.Z9Other mature T/NK-cell lymphomas, extranodal and solid organ sitesBillable
C84.ZAOther mature T/NK-cell lymphomas, in remissionBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to C84.Z:

categoryC84
Mature T/NK-cell lymphomas
View context instructions
blockC81-C96
Malignant neoplasms of lymphoid, hematopoietic and related tissue (C81-C96)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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