D45 Polycythemia vera

Billable ICD-10-CM code, FY2026.

Excludes1 (never code together)

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

Applies from D45 Polycythemia vera

Excludes1 (never code together)

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

Risk adjustment (HCC)

• CMS-HCC V28: HCC 23 — Prostate, Breast, and Other Cancers and Tumors
• CMS-HCC V22: HCC 48 — Coagulation Defects and Other Specified Hematological Disorders
• RxHCC V08: HCC 21 — Lymphomas and Other Hematologic Cancers
• ESRD V24: HCC 48

MS-DRG index

Defines the logic of DRG(s) 820-822 in MDC 17.

Approximate ICD-9-CM (GEMs)

• 207.10 Chronic erythremia, without mention of having achieved remission (approximate)
• 207.11 Chronic erythremia, in remission (approximate)
• 207.12 Chronic erythremia, in relapse (approximate)
• 238.4 Polycythemia vera (approximate)

Code annotations containing back-references to D45

Back-references to D45

• Code Also: D47.02 Systemic mastocytosis ("polycythemia vera (D45)")
• Type 1 Excludes: D75.1 Secondary polycythemia ("polycythemia vera (D45)")
• Code Also: I27.29 Other secondary pulmonary hypertension ("polycythemia vera (D45)")
• Type 1 Excludes: R71 Abnormality of red blood cells ("polycythemia vera (D45)")

Back-references to D45

• Code Also: D47.02 Systemic mastocytosis ("polycythemia vera (D45)")
• Type 1 Excludes: D75.1 Secondary polycythemia ("polycythemia vera (D45)")
• Code Also: I27.29 Other secondary pulmonary hypertension ("polycythemia vera (D45)")
• Type 1 Excludes: R71 Abnormality of red blood cells ("polycythemia vera (D45)")

Diagnosis Index entries for D45

• Erythremia (acute) › chronic
• Heilmeyer-Schoner disease
• Polycythemia (secondary) › vera

Nearby codes

• D45 Polycythemia vera (this code)