ICD-11 definition : Hyperkalemic periodic paralysis (HyperPP) is a muscle disorder characterized by episodic
attacks of muscle weakness associated with an increase in serum potassium concentration.;
ICD-11 synonym : Sodium channel disorders of muscles;
Hyperkalemic periodic paralysis (HyperPP) is a muscle disorder characterized by episodic
attacks of muscle weakness associated with an increase in serum potassium concentration.