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ICD-10 diagnosis code

C84 Mature T/NK-cell lymphomas

This page in Swedish

C84 is the ICD-10 code for Mature T/NK-cell lymphomas. It is a three-character category divided into 8 subcodes; use the subcode whenever the record supports that level of detail. It belongs to the block C81–C96 (Malignant neoplasms, stated or presumed to be primary, of lymphoid, haematopoietic and related tissue) in Chapter II, Neoplasms.

Code type
Category (3 characters)
Chapter
II · C00–D48
Classification
WHO ICD-10, 2019 version

Subcodes of C84

C84 in national editions

Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.

SwedenICD-10-SE

C84Mogna T/NK-cellslymfom

DenmarkICD-10-DK

DC84Modne NK/T-celle lymfomer

FinlandICD-10-FI

C84Perifeeriset ja ihon T-solulymfoomat

  • C84.2T-vyöhykelymfooma
  • C84.3Lymfoepiteloidilymfooma
GermanyICD-10-GM

C84Reifzellige T/NK-Zell-Lymphome

FranceICD-10-FR

C84Lymphomes à cellules T/NK matures

NetherlandsICD-10-NL

C84lymfomen met rijpe T/NK-cellen

United StatesICD-10-CM

Listed through more specific codes:

  • C84.A0Cutaneous T-cell lymphoma, unspecified, unspecified site
  • C84.A1Cutaneous T-cell lymphoma, unspecified lymph nodes of head, face, and neck
  • C84.A2Cutaneous T-cell lymphoma, unspecified, intrathoracic lymph nodes
  • C84.A3Cutaneous T-cell lymphoma, unspecified, intra-abdominal lymph nodes
  • C84.A4Cutaneous T-cell lymphoma, unspecified, lymph nodes of axilla and upper limb
  • C84.A5Cutaneous T-cell lymphoma, unspecified, lymph nodes of inguinal region and lower limb
  • C84.A6Cutaneous T-cell lymphoma, unspecified, intrapelvic lymph nodes
  • C84.A7Cutaneous T-cell lymphoma, unspecified, spleen
  • and 14 more national subcodes

Based on the World Health Organization’s International Statistical Classification of Diseases and Related Health Problems, 10th revision (ICD-10), 2019 version, and the national editions published by each country’s health authority. This page is a reference, not coding advice; follow your national coding rules when you report.

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