All ICD10 Codes

C84.4

Non-Billable
ChapterC00–D49
Ranksubcategory
Official Description

Peripheral T-cell lymphoma, not elsewhere classified

Use a more specific code (11 billable)
C84.40Peripheral T-cell lymphoma, not elsewhere classified, unspecified siteC84.41Peripheral T-cell lymphoma, not elsewhere classified, lymph nodes of head, face, and neckC84.42Peripheral T-cell lymphoma, not elsewhere classified, intrathoracic lymph nodesC84.43Peripheral T-cell lymphoma, not elsewhere classified, intra-abdominal lymph nodesC84.44Peripheral T-cell lymphoma, not elsewhere classified, lymph nodes of axilla and upper limbC84.45Peripheral T-cell lymphoma, not elsewhere classified, lymph nodes of inguinal region and lower limbC84.46Peripheral T-cell lymphoma, not elsewhere classified, intrapelvic lymph nodesC84.47Peripheral T-cell lymphoma, not elsewhere classified, spleenC84.48Peripheral T-cell lymphoma, not elsewhere classified, lymph nodes of multiple sitesC84.49Peripheral T-cell lymphoma, not elsewhere classified, extranodal and solid organ sitesC84.4APeripheral T-cell lymphoma, not elsewhere classified, in remission
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 2: Neoplasms (C00-D49).

Instructional Notes

Includes
  • Lennert's lymphoma
  • Lymphoepithelioid lymphoma
  • Mature T-cell lymphoma, not elsewhere classified
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
C84.4Peripheral T-cell lymphoma, not elsewhere classifiedNot billable
C84.40Peripheral T-cell lymphoma, not elsewhere classified, unspecified siteBillable
C84.41Peripheral T-cell lymphoma, not elsewhere classified, lymph nodes of head, face, and neckBillable
C84.42Peripheral T-cell lymphoma, not elsewhere classified, intrathoracic lymph nodesBillable
C84.43Peripheral T-cell lymphoma, not elsewhere classified, intra-abdominal lymph nodesBillable
C84.44Peripheral T-cell lymphoma, not elsewhere classified, lymph nodes of axilla and upper limbBillable
C84.45Peripheral T-cell lymphoma, not elsewhere classified, lymph nodes of inguinal region and lower limbBillable
C84.46Peripheral T-cell lymphoma, not elsewhere classified, intrapelvic lymph nodesBillable
C84.47Peripheral T-cell lymphoma, not elsewhere classified, spleenBillable
C84.48Peripheral T-cell lymphoma, not elsewhere classified, lymph nodes of multiple sitesBillable
C84.49Peripheral T-cell lymphoma, not elsewhere classified, extranodal and solid organ sitesBillable
C84.4APeripheral T-cell lymphoma, not elsewhere classified, in remissionBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to C84.4:

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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