ICD-11 classes
03 Diseases of the blood or blood-forming organs
Anaemias or other erythrocyte disorders
Polycythaemia
3A81 — Acquired polycythaemia
3A81.0 — Polycythaemia due to hypoxia, including high altitude

ICD-11 3A81.0 — Polycythaemia due to hypoxia, including high altitude

The diagnosis has no description.

The diagnosis includes nothing.

The diagnosis excludes nothing.

It has no clarifying diagnoses.