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ICD-10-CM/Neoplasms/Neoplasms of uncertain behavior, polycythemia vera and myelodysplastic syndromes/Myelodysplastic syndromes

D46 Myelodysplastic syndromes

BackD46.0Refractory anemia without ring sideroblasts, so statedCategoryD46.1Refractory anemia with ring sideroblastsCategoryD46.2Refractory anemia with excess of blasts [RAEB]Category3 →D46.20Refractory anemia with excess of blasts, unspecifiedCategoryD46.21Refractory anemia with excess of blasts 1CategoryD46.22Refractory anemia with excess of blasts 2CategoryD46.4Refractory anemia, unspecifiedCategoryD46.9Myelodysplastic syndrome, unspecifiedCategoryD46.ARefractory cytopenia with multilineage dysplasiaCategoryD46.BRefractory cytopenia with multilineage dysplasia and ring sideroblastsCategoryD46.CMyelodysplastic syndrome with isolated del(5q) chromosomal abnormalityCategoryD46.ZOther myelodysplastic syndromesCategory
Category
D46
Myelodysplastic syndromes
EXCLUDES
Excludes2: drug-induced aplastic anemia (D61.1)
CODING RULE
Use additional code: code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Chapter
II · Neoplasms
Section
D37-D48
Valid from
Source

CMS ICD-10-CM Tabular List, edition FY2026.

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