3A10.3 Familial pseudohyperkalaemia

International Classification of Diseases for Mortality and Morbidity Statistics, 11th Revision, v2024-01

A disease caused by a genetically inherited mutation. This disease is characterised by a temperature-dependent defect in red cell membrane permeability to potassium that leads to high in vitro potassium levels in samples stored below 37°C leading to elevated potassium levels in the blood that does not reflect the true potassium level. Confirmation is by identification of genetic mutation through genetic testing.

synonyms

• Familial pseudohyperkalaemia
• Hereditary pseudohyperkalaemia
• Familial pseudohyperkalaemia type 1
• Familial pseudohyperkalaemia type 2
• Familial pseudohyperkalaemia, Cardiff type

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