Current
D46 — Myelodysplastic syndromes
Part of Chapter 2: Neoplasms , block Neoplasms of uncertain behavior, polycythemia vera and myelodysplastic syndromes (D37-D48) .
Official Notes
Use Additional Code
code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Excludes2
drug-induced aplastic anemia ( D61.1 )
Child Codes
- D46.0 Refractory anemia without ring sideroblasts, so stated Billable
- D46.1 Refractory anemia with ring sideroblasts Billable
- D46.2 Refractory anemia with excess of blasts [RAEB] Has subcodes
- D46.A Refractory cytopenia with multilineage dysplasia Billable
- D46.B Refractory cytopenia with multilineage dysplasia and ring sideroblasts Billable
- D46.C Myelodysplastic syndrome with isolated del(5q) chromosomal abnormality Billable
- D46.4 Refractory anemia, unspecified Billable
- D46.Z Other myelodysplastic syndromes Billable
- D46.9 Myelodysplastic syndrome, unspecified Billable
Referenced By
Official notes on these codes cite D46.
FY 2027 effective October 1, 2026 · CDC NCHS and CMS