2A82

ICD-11 MMS 2026-01

Mature B-cell neoplasm with leukaemic behaviour

Exclusions from above levels

  • 2E03 – Malignant neoplasm metastasis in bone or bone marrow
  • http://id.who.int/icd/entity/501778925 – Malignant neoplasm metastasis in lymph nodes
  • http://id.who.int/icd/entity/97145147 – Malignant neoplasm metastasis in thymus gland

Child codes

  • 2A82.0 – Chronic lymphocytic leukaemia or small lymphocytic lymphoma
  • 2A82.1 – B-cell prolymphocytic leukaemia
  • 2A82.2 – Hairy-cell leukaemia
  • 2A82.3 – Splenic B-cell lymphoma or leukaemia, unclassifiable
  • 2A82.Y – Other specified mature B-cell neoplasm with leukaemic behaviour
  • 2A82.Z – Mature B-cell neoplasm with leukaemic behaviour, unspecified

Sibling codes

  • 2A80 – Follicular lymphoma
  • 2A81 – Diffuse large B-cell lymphomas
  • 2A83 – Plasma cell neoplasms
  • 2A84 – Heavy chain diseases or malignant immunoproliferative diseases
  • 2A85 – Other specified mature B-cell neoplasms or lymphoma
  • 2A86 – B-cell lymphoma, mixed features
  • 2A8Z – Mature B-cell neoplasms, unspecified

Foundation entity

Mature B-cell neoplasm with leukaemic behaviour – http://id.who.int/icd/entity/1572490549

Allowed postcoordination axes

Part of: 02: Neoplasms