2A35

ICD-11 MMS 2026-01

Refractory anaemia with excess of blasts

Description

A myelodysplastic syndrome characterised by bi-cytopenia or pancytopenia and dysplastic changes in one or multiple lineages, with 5-19% myeloblasts in the bone marrow, 2-19% blasts in the blood, or <20% blasts with the presence of Auer rods.

Index terms

  • Refractory anaemia with excess of blasts
  • RAEB - [refractory anaemia with excess blasts]
  • RAEB - [refractory anaemia with excess blasts] NOS
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  • refractory anaemia with excess blasts
  • Refractory anaemia with excess of blasts type 1
  • RAEB 1 - [Refractory anaemia with excess of blasts type 1]
  • Refractory anaemia with excess of blasts type 2
  • RAEB 2 - [Refractory anaemia with excess of blasts type 2]

Exclusions from above levels

  • 2A60.2 – Therapy-related myeloid neoplasms
  • 3A70.10 – Drug-induced aplastic anaemia
  • 2E03 – Malignant neoplasm metastasis in bone or bone marrow
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  • 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

  • 2A30 – Refractory anaemia
  • 2A31 – Refractory neutropaenia
  • 2A32 – Refractory thrombocytopenia
  • 2A33 – Refractory anaemia with ring sideroblasts
  • 2A34 – Refractory cytopenia with multi-lineage dysplasia
  • 2A36 – Myelodysplastic syndrome with isolated del(5q)
  • 2A37 – Myelodysplastic syndrome, unclassifiable
  • 2A38 – Refractory cytopenia of childhood
  • 2A3Y – Other specified myelodysplastic syndromes
  • 2A3Z – Myelodysplastic syndromes, unspecified

Foundation entity

Refractory anaemia with excess of blasts – http://id.who.int/icd/entity/508306538

Allowed postcoordination axes

Part of: 02: Neoplasms