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C84.Z - Other mature T/NK-cell lymphomas


The ICD 10 Code for Other mature T/NK-cell lymphomas is listed as C84.Z.
Additional information concerning this code and description can be found below including ICD 9 crosswalks / GEMS, chapter information, and DRGs where available.

ICD 10 CM Field Value
Diagnosis Code: C84.Z
Description: Other mature T/NK-cell lymphomas
  • Note: If T-cell lineage or involvement is mentioned in conjunction with a specific lymphoma, code to the more specific description.
  • Excludes1: angioimmunoblastic T-cell lymphoma (C86.5)
  • blastic NK-cell lymphoma (C86.4)
  • enteropathy-type T-cell lymphoma (C86.2)
  • extranodal NK-cell lymphoma, nasal type (C86.0)
  • hepatosplenic T-cell lymphoma (C86.1)
  • primary cutaneous CD30-positive T-cell proliferations (C86.6)
  • subcutaneous panniculitis-like T-cell lymphoma (C86.3)
  • T-cell leukemia (C91.1-)
Chapter Neoplasms (C00-D49)
Block Malignant neoplasms of lymphoid, hematopoietic and related tissue (C81-C96)
Parent C84 - Mature T/NK-cell lymphomas
ICD-10-CM Children (deeper level / typically more specific) of C84.Z:
C84.Z0 - Other mature T/NK-cell lymphomas, unspecified site
C84.Z1 - Other mature T/NK-cell lymphomas, lymph nodes of head, face, and neck
C84.Z2 - Other mature T/NK-cell lymphomas, intrathoracic lymph nodes
C84.Z3 - Other mature T/NK-cell lymphomas, intra-abdominal lymph nodes
C84.Z4 - Other mature T/NK-cell lymphomas, lymph nodes of axilla and upper limb
C84.Z5 - Other mature T/NK-cell lymphomas, lymph nodes of inguinal region and lower limb
C84.Z6 - Other mature T/NK-cell lymphomas, intrapelvic lymph nodes
C84.Z7 - Other mature T/NK-cell lymphomas, spleen
C84.Z8 - Other mature T/NK-cell lymphomas, lymph nodes of multiple sites
C84.Z9 - Other mature T/NK-cell lymphomas, extranodal and solid organ sites
ICD-10-CM Siblings (same level / similar specificity) of C84.Z:
C84.0 - Mycosis fungoides
C84.1 - S
C84.4 - Peripheral T-cell lymphoma, not classified
C84.6 - Anaplastic large cell lymphoma, ALK-positive
C84.7 - Anaplastic large cell lymphoma, ALK-negative
C84.9 - Mature T/NK-cell lymphomas, unspecified
C84.A - Cutaneous T-cell lymphoma, unspecified