D46

Non-billable

Myelodysplastic syndromes

D46 is the ICD-10-CM code for Myelodysplastic syndromes. It is a non-billable category code — use a more specific child code such as D46.0 for billing.

Status
Header (non-billable)
Chapter
C00-D49
Subcodes
9
Edition
FY2026

C00-D49 Neoplasms

Excludes2 — not included here

  • 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)

Frequently asked questions

What is ICD-10 code D46?
D46 is the ICD-10-CM code for "Myelodysplastic syndromes". It falls under C00-D49 Neoplasms.
Is D46 a billable code?
No — D46 is a non-billable header code. Use a more specific child code (such as D46.0) for billing.
What are the subcodes of D46?
D46 has 9 more specific child codes, including D46.0, D46.1, D46.2.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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