U.S. ICD-10-CM · FY 2027

D45 ICD-10-CM Code: Polycythemia vera

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

Code definition

Official description

D45

Polycythemia vera

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

Classification

Where D45 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 D45

    Polycythemia vera

  4. 4

    Code D45

    Polycythemia vera

Documentation details

Notes for this code

Inclusion terms

No inclusion terms are listed for D45.

Code first

No “code first” instruction is listed for D45.

Use additional code

No “use additional code” instruction is listed for D45.

Excludes1

Conditions that should not be reported together with this code.

  • familial polycythemia (D75.0)
  • secondary polycythemia (D75.1)

Excludes2

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

No Excludes2 note is listed for D45.

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 D45 mean?

D45 is the FY 2027 U.S. ICD-10-CM code for “Polycythemia vera.”

Is D45 a billable or specific ICD-10-CM code?

Yes. In the FY 2027 reference data used on this page, D45 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 D45 located in ICD-10-CM?

D45 is listed in Chapter 2, Neoplasms (C00-D49), within Neoplasms of uncertain behavior, polycythemia vera and myelodysplastic syndromes (D37-D48) (D37–D48), under category D45, Polycythemia vera.

What coding notes are listed for D45?

No inclusion terms are listed for D45 in this reference record. No code-first instruction is listed. Excludes1 notes: familial polycythemia (D75.0); secondary polycythemia (D75.1). No Excludes2 note is listed.

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