D75.1 vs P61.1
D75.1 (Secondary polycythemia) compared with P61.1 (Polycythemia neonatorum), from the official CMS tabular data. Do not report these codes together: the official tabular list marks them Excludes1.
Can these codes be reported together?
No — do not report together. D75.1 carries an Excludes1 note covering P61.1: “polycythemia neonatorum (P61.1)”
Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).
Side by side
| D75.1Secondary polycythemia | P61.1Polycythemia neonatorum | |
|---|---|---|
| Billing status | Billable | Billable |
| Classification | D50-D89 — Diseases of the Blood and Blood-forming Organs and Certain Disorders Involving the Immune Mechanism (D50-D89) | P00-P96 — Certain Conditions Originating in the Perinatal Period (P00-P96) |
| Definition | Secondary polycythemia is a billable ICD-10-CM diagnosis code (D75.1). | Polycythemia neonatorum is a billable ICD-10-CM diagnosis code (P61.1). |
| Includes | Acquired polycythemia Emotional polycythemia Erythrocytosis NOS Hypoxemic polycythemia | — |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources