Polycythemia vera (D45) ICD-10-CM
The D45 code range covers polycythemia vera with 1 ICD-10-CM diagnosis codes. 1 of them are billable and valid for claim submission in fiscal year 2026, and the category headers group them but cannot themselves be billed.
Type 1 Excludes
A type 1 excludes note is a pure excludes note. It means "NOT CODED HERE!" An Excludes1 note indicates that the code excluded should never be used at the same time as the code above the Excludes1 note. An Excludes1 is used when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
Codes in the D45 Range 1 codes · 1 billable
- D45 Polycythemia vera
Clinical Terms in This Code Range
Definitions from the National Library of Medicine for conditions coded in the D45 range.
Polycythemia Vera
A myeloproliferative disorder of unknown etiology, characterized by abnormal proliferation of all hematopoietic bone marrow elements and an absolute increase in red cell mass and total blood volume, associated frequently with splenomegaly, leukocytosis, and thrombocythemia. Hematopoiesis is also reactive in extramedullary sites (liver and spleen). In time myelofibrosis occurs.
About the D45 Code Range
ICD-10 code D45 is used specifically to identify Polycythemia vera, a rare blood disorder characterized by an abnormal increase in red blood cells. This code helps healthcare providers accurately classify and document this condition for clinical care and reporting.
Polycythemia vera, also known as erythrocytosis due to polycythemia vera or polycythemia rubra vera, is a type of neoplasm that falls under “Neoplasms of unspecified nature.” This ICD-10 code covers various related conditions, including polycythemia vera in remission, myelofibrosis due to another disorder, and post-polycythemia vera myelofibrosis. Recognizing these synonyms is crucial for medical coders and clinicians dealing with billing and records. Using D45 ensures precise documentation of this complex blood disorder, which may involve complications like chorea, and allows for appropriate patient management and statistical tracking of the disease.
Questions About This Page
How many billable codes are in the D45 range?
Of the 1 codes in this range, 1 are billable and valid for claim submission from October 1, 2025 through September 30, 2026. Category header codes group them but cannot be reported on claims.
What does the D45 range classify?
The range classifies polycythemia vera. Each code links to its own reference page with billing status, MS-DRG grouping, coding notes, and clinical information.
Related References
Source: CMS FY 2026 ICD-10-CM Tabular List and order file, effective October 1, 2025 through September 30, 2026.
