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Isolated asymptomatic elevation of creatine phosphokinase

Disease definition

A rare neurologic biological anomaly characterized by persistent elevation of the serum creatine phosphokinase (CK) without any clinical, neurophysical or histopathological evidence of neuromuscular disease using the available laboratory procedures. It is usually an incidental finding, diagnosed after exclusion of other possible causes of elevated CK levels.


Classification level: Disorder
  • Synonym(s):
    • Idiopathic asymptomatic hyperCKemia
    • Isolated asymptomatic hyperCKemia
  • Prevalence: Unknown
  • Inheritance: -
  • Age of onset: All ages
  • ICD-10: R74.8
  • OMIM: 123320
  • UMLS: C4751434
  • MeSH: -
  • GARD: -
  • MedDRA: -
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