Diagnostic finding

Elevated Creatine Kinase

An increased serum creatine kinase (CK) concentration above the upper reference limit (normal range: 22-200 U/L), indicating leakage of this intracellular enzyme from damaged skeletal muscle, cardiac muscle, or, less commonly, brain tissue.

Causes

  • Muscle disorders

    • Myopathies

    • Polymyositis

    • Dermatomyositis

    • Muscular dystrophies

  • Cardiac injury: Myocardial infarction

  • Muscle injury

    • Trauma

    • Surgery

    • Dehydration --> Rhabdomyolysis

    • Strenuous exercise

    • Seizures

    • Prolonged immobilization

    • Electrical injury

  • Systemic infections

  • Medications and substances

    • Statins

    • Macrolide antibiotics

    • Antipsychotics

    • Cocaine

    • Ecstasy (MDMA)

  • Endocrine disorders

    • Hypothyroidism

    • Hyperthyroidism

Also known as: Elevated CK, Elevated CPK, Elevated Creatine Phosphokinase, High CK, High Creatine Kinase, HyperCKemia, Increased CK, Increased Creatine Kinase

Referencing diagnoses

Note: Lists existing diagnoses in Diagnotize only.