3A81.2 Relative polycythaemia
International Classification of Diseases for Mortality and Morbidity Statistics, 11th Revision, v2024-01
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.
synonyms
- Relative polycythaemia
- Relative (pseudo)polycythaemia
- Relative polycythaemia due to acute loss of plasma volume
- Relative polycythaemia due to chronic loss of plasma volume
- Polycythaemia due to inappropriate erythropoietin production
- Polycythaemia due to erythropoietin
- Polycythaemia due to fall in plasma volume
- Secondary polycythaemia with excess erythropoietin
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