World Health Organization · 2026-01 · English
Myelodysplastic and myeloproliferative neoplasms
Official WHO ICD-11 MMS tabulation. This international classification is separate from US ICD-10-CM. For complete instructions and postcoordination, consult the WHO browser.
More specific codes
2A40Chronic myelomonocytic leukaemia2A41Atypical chronic myeloid leukaemia, BCR-ABL1-negative2A42Juvenile myelomonocytic leukaemia2A43Refractory anaemia with ring sideroblasts associated with marked thrombocytosis2A44Myeloproliferative and myelodysplastic disease, unclassifiable2A4YOther specified myelodysplastic and myeloproliferative neoplasms2A4ZMyelodysplastic and myeloproliferative neoplasms, unspecified© World Health Organization · CC BY-ND 3.0 IGO