U.S. ICD-10-CM · FY 2027

D46.4 ICD-10-CM Code: Refractory anemia, unspecified

A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.

Code definition

Official description

D46.4

Refractory anemia, unspecified

ICD-10-CM diagnosis code · United States clinical modification

Classification

Where D46.4 sits

  1. 1

    Chapter 2

    Neoplasms (C00-D49)

  2. 2

    Section

    Neoplasms of uncertain behavior, polycythemia vera and myelodysplastic syndromes (D37-D48)

  3. 3

    Category D46

    Myelodysplastic syndromes

  4. 4

    Code D46.4

    Refractory anemia, unspecified

Documentation details

Notes for this code

Inclusion terms

No inclusion terms are listed for D46.4.

Code first

No “code first” instruction is listed for D46.4.

Use additional code

No “use additional code” instruction is listed for D46.4.

Excludes1

Conditions that should not be reported together with this code.

No Excludes1 note is listed for D46.4.

Excludes2

Conditions not included here that may be reported separately when present.

No Excludes2 note is listed for D46.4.

Transparency

Source and release

Data release

U.S. ICD-10-CM · FY 2027

Effective date

Oct 1, 2026

Publisher

Vero Scribe Inc.

This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.

Review the CDC/NCHS ICD-10-CM source

Code-specific guidance

Frequently asked questions

What does ICD-10-CM code D46.4 mean?

D46.4 is the FY 2027 U.S. ICD-10-CM code for “Refractory anemia, unspecified.”

Is D46.4 a billable or specific ICD-10-CM code?

Yes. In the FY 2027 reference data used on this page, D46.4 has no child codes and is presented as a billable/specific code. Always confirm the active code set and payer requirements before use.

Where is D46.4 located in ICD-10-CM?

D46.4 is listed in Chapter 2, Neoplasms (C00-D49), within Neoplasms of uncertain behavior, polycythemia vera and myelodysplastic syndromes (D37-D48) (D37–D48), under category D46, Myelodysplastic syndromes.

What coding notes are listed for D46.4?

No inclusion terms are listed for D46.4 in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.

Keep exploring

Related D46 codes

D46.0

Refractory anemia without ring sideroblasts, so stated

D46.1

Refractory anemia with ring sideroblasts

D46.2

Refractory anemia with excess of blasts [RAEB]

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