ICD-11 classes
03 Diseases of the blood or blood-forming organs
Neoplasms of haematopoietic or lymphoid tissues
Mature T-cell or NK-cell neoplasms

ICD-11 Mature T-cell or NK-cell neoplasms

A group of neoplasms composed of T-lymphocytes with a mature (peripheral/post-thymic) immunophenotypic profile and/or NK-cells.

The diagnosis includes nothing.

The diagnosis excludes nothing.

Diagnosis contains 4 clarifying diagnoses:

1. 2A90 — Mature T-cell lymphoma, specified types, nodal or systemic
   It contains 13 clarifying diagnoses.
2. Mature T-cell or NK-cell lymphomas and lymphoproliferative disorders, primary cutaneous specified types
   It contains 6 clarifying diagnoses.
3. 2B2Y — Other specified mature T-cell or NK-cell neoplasms
4. 2B2Z — Mature T-cell or NK-cell neoplasms, unspecified

The diagnosis is coded elsewhere:

• Neoplasms of haematopoietic or lymphoid tissues #1534
• Mature T-cell or NK-cell neoplasms #1704