All ICD10 Codes

D46

Non-Billable
ChapterC00–D49
Rankcategory
Official Description

Myelodysplastic syndromes

Use a more specific code (8 billable, 1 non-billable)
D46.0Refractory anemia without ring sideroblasts, so statedD46.1Refractory anemia with ring sideroblastsD46.2Refractory anemia with excess of blasts [RAEB]has subcodesD46.4Refractory anemia, unspecifiedD46.9Myelodysplastic syndrome, unspecifiedD46.ARefractory cytopenia with multilineage dysplasiaD46.BRefractory cytopenia with multilineage dysplasia and ring sideroblastsD46.CMyelodysplastic syndrome with isolated del(5q) chromosomal abnormalityD46.ZOther myelodysplastic syndromes
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 2: Neoplasms (C00-D49).

D37-D48 Parent Instructions

Excludes1(Not coded here. Use a different code.)
  • neoplasms of unspecified behavior (D49.-)

Instructional Notes

Excludes2(Not included here. Code separately if applicable.)
  • drug-induced aplastic anemia (D61.1)
Use Additional Code
  • code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)

Clinical Hierarchy

BillableHas subcodes
CH2Neoplasms (C00-D49)
D37-D48Neoplasms of uncertain behavior, polycythemia vera and myelodysplastic syndromes (D37-D48)
D46Myelodysplastic syndromesNot billable
D46.0Refractory anemia without ring sideroblasts, so statedBillable
D46.1Refractory anemia with ring sideroblastsBillable
D46.2Refractory anemia with excess of blasts [RAEB]Subcodes
D46.4Refractory anemia, unspecifiedBillable
D46.9Myelodysplastic syndrome, unspecifiedBillable
D46.ARefractory cytopenia with multilineage dysplasiaBillable
D46.BRefractory cytopenia with multilineage dysplasia and ring sideroblastsBillable
D46.CMyelodysplastic syndrome with isolated del(5q) chromosomal abnormalityBillable
D46.ZOther myelodysplastic syndromesBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to D46:

blockD37-D48
Neoplasms of uncertain behavior, polycythemia vera and myelodysplastic syndromes (D37-D48)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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