2B33.4

ICD-11 MMS 2026-01

Leukaemia, unspecified

Coding note

Only to be designated in cases with incomplete diagnostics.

Index terms

  • Leukaemia, unspecified
  • aleukemic leukaemia
  • chronic leukaemia
Show allHide
  • leukaemia NOS
  • leukaemia disorder
  • leukaemia, unspecified, without mention of remission
  • subacute leukaemia
  • Leukaemia of unspecified cell type
  • Chronic leukaemia of unspecified cell type
  • Chronic leukaemia of unspecified cell type without mention of remission
  • Chronic leukaemia of unspecified cell type in complete remission
  • Subacute leukaemia of unspecified cell type in complete remission
  • Acute bilineal leukaemia
  • Acute mixed lineage leukaemia
  • Biphenotypic acute leukaemia
  • Acute biphenotypic leukaemia
  • Stem cell leukaemia of unclear lineage
  • Subacute leukaemia of unspecified cell type without mention of remission
  • Leukaemia, unspecified, in complete remission

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

Sibling codes

  • 2B33.0 – Acute leukaemia, not elsewhere classified
  • 2B33.1 – Myeloid leukaemia
  • 2B33.2 – Chronic myeloid leukaemia, not elsewhere classified
  • 2B33.3 – Lymphoid leukaemia, not elsewhere classified
  • 2B33.5 – Malignant lymphoma, not elsewhere classified
  • 2B33.Y – Other malignant haematopoietic neoplasms without further specification

Foundation entity

Leukaemia, unspecified – http://id.who.int/icd/entity/1385484871

Allowed postcoordination axes

Part of: 2B33: Malignant haematopoietic neoplasms without further specification › 02: Neoplasms