All ICD10 Codes

C84.1

Non-Billable
ChapterC00–D49
Ranksubcategory
Official Description

Sézary disease

Use a more specific code (11 billable)
C84.10Sézary disease, unspecified siteC84.11Sézary disease, lymph nodes of head, face, and neckC84.12Sézary disease, intrathoracic lymph nodesC84.13Sézary disease, intra-abdominal lymph nodesC84.14Sézary disease, lymph nodes of axilla and upper limbC84.15Sézary disease, lymph nodes of inguinal region and lower limbC84.16Sézary disease, intrapelvic lymph nodesC84.17Sézary disease, spleenC84.18Sézary disease, lymph nodes of multiple sitesC84.19Sézary disease, extranodal and solid organ sitesC84.1ASézary disease, in remission
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 2: Neoplasms (C00-D49).
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
C84.1Sézary diseaseNot billable
C84.10Sézary disease, unspecified siteBillable
C84.11Sézary disease, lymph nodes of head, face, and neckBillable
C84.12Sézary disease, intrathoracic lymph nodesBillable
C84.13Sézary disease, intra-abdominal lymph nodesBillable
C84.14Sézary disease, lymph nodes of axilla and upper limbBillable
C84.15Sézary disease, lymph nodes of inguinal region and lower limbBillable
C84.16Sézary disease, intrapelvic lymph nodesBillable
C84.17Sézary disease, spleenBillable
C84.18Sézary disease, lymph nodes of multiple sitesBillable
C84.19Sézary disease, extranodal and solid organ sitesBillable
C84.1ASézary disease, in remissionBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to C84.1:

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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