D46.4
✓ Billable
Refractory anemia, unspecified
ICD-10-CM · FY2026 · Neoplasms
Code
D46.4
System
ICD-10-CM
Billable
Yes — valid for submission
Effective
FY2026
Chapter
Neoplasms
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code D46.4?
ICD-10-CM code D46.4 represents Refractory anemia, unspecified. It is a billable diagnosis code in the Neoplasms chapter, effective October 1, 2025 – September 30, 2026.
Is D46.4 billable?
Yes. D46.4 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.
What chapter is D46.4 in?
D46.4 belongs to the Neoplasms chapter (C00–D49) of ICD-10-CM.
Related codes in the D46 category
D46
Myelodysplastic syndromes
Non-billable
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]
Non-billable
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.Z
Other myelodysplastic syndromes
Billable
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