ICD-10-CM Alphabetic Index · FY 2026 24 Entries

Polycythemia in the ICD-10-CM Index ICD-10-CM

The main term Polycythemia (secondary) carries 24 index entries pointing to 4 ICD-10-CM codes. The default entry is D75.1, the code the bare main term maps to; every indented line below refines the term by site, cause, or type. Verify any candidate code in the Tabular List before using it.

✓ Built from the official CMS FY 2026 index fileEffective Oct 1, 2025 – Sep 30, 2026

Index Entries

Codes Referenced

D75.1

Default Code

Letter

24 of 24 shown

ICD-10-CM

Index Entries Under Polycythemia 24 entries · 4 codes

Polycythemia (secondary) D75.1

acquired D75.1

benign (familial) D75.0

due to

donor twin P61.1

erythropoietin D75.1

fall in plasma volume D75.1

high altitude D75.1

maternal-fetal transfusion P61.1

stress D75.1

emotional D75.1

erythropoietin D75.1

familial (benign) D75.0

Gaisböck's (hypertonica) D75.1

high altitude D75.1

hypertonica D75.1

hypoxemic D75.1

neonatorum P61.1

nephrogenous D75.1

relative D75.1

secondary D75.1

spurious D75.1

stress D75.1

vera D45

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Related Index Terms

All index terms starting with P Index to Diseases and Injuries ICD-10-CM Code Lookup

Source: Centers for Medicare & Medicaid Services, FY 2026 ICD-10-CM Index to Diseases and Injuries release files, effective October 1, 2025 through September 30, 2026.