D46.9 is the ICD-10 code for Myelodysplastic syndrome, unspecified. It is a four-character subcategory of D46 (Myelodysplastic syndromes), the most specific level in the WHO edition. It belongs to the block D37–D48 (Neoplasms of uncertain or unknown behaviour) in Chapter II, Neoplasms.
- Code type
- Subcategory (4 characters)
- Chapter
- II · C00–D48
- Classification
- WHO ICD-10, 2019 version
What D46.9 includes
Conditions and terms that are coded here.
- Myelodysplasia NOS
- Preleukaemia (syndrome) NOS
D46.9 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
D46.9Uspesifisert myelodysplastisk syndrom
DD469Myelodysplastisk syndrom UNS
D46.9Määrittämätön myelodysplastinen oireyhtymä
D46.9Myelodysplastisches Syndrom, nicht näher bezeichnet
D46.9Syndrome myélodysplasique, sans précision
D46.9myelodysplastisch syndroom, niet-gespecificeerd
D46.9Myelodysplastic syndrome, unspecified
Based on the World Health Organization’s International Statistical Classification of Diseases and Related Health Problems, 10th revision (ICD-10), 2019 version, and the national editions published by each country’s health authority. This page is a reference, not coding advice; follow your national coding rules when you report.
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