ICD-11 classes
03 Diseases of the blood or blood-forming organs
Anaemias or other erythrocyte disorders
Polycythaemia
3A81 — Acquired polycythaemia
3A81.2 — Relative polycythaemia

ICD-11 3A81.2 — Relative polycythaemia

A disease caused by loss of body fluids leading to apparent increased levels of red blood cells in the blood. This disease may present with headache, vertigo, abnormally enlarged spleen or liver, high blood pressure, or formation of blood clots. Confirmation is by identification of relative blood cell counts in a blood sample.

The diagnosis includes nothing.

The diagnosis excludes nothing.

It has no clarifying diagnoses.