D45 – Polycythemia vera

ICD-10-CM 2027 diagnosis code · Neoplasms of uncertain behavior, polycythemia vera and myelodysplastic syndromes

Billable code

ICD-10-CM code D45
Code
D45 (claims format: D45)
Description
Polycythemia vera
Billable
Yes – valid for HIPAA-covered transactions
Valid for
Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter
2. Neoplasms (C00-D49)
Block
D37-D48 Neoplasms of uncertain behavior, polycythemia vera and myelodysplastic syndromes

Notes for D45

Excludes1 (not coded here):
  • familial polycythemia (D75.0)
  • secondary polycythemia (D75.1)

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

Block D37-D48

Excludes1 (not coded here):
  • neoplasms of unspecified behavior (D49.-)
Notes:
  • Categories D37-D44, and D48 classify by site neoplasms of uncertain behavior, i.e., histologic confirmation whether the neoplasm is malignant or benign cannot be made.

Index terms for D45

Entries in the ICD-10-CM alphabetic index that lead to this code:

Frequently asked questions

What is ICD-10 code D45?

D45 is the ICD-10-CM code for polycythemia vera, in the block D37-D48 (Neoplasms of uncertain behavior, polycythemia vera and myelodysplastic syndromes).

Is D45 a billable code?

Yes. D45 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.