Reviewed: 13. Juli 2026
CK Creatine Kinase (CK)
Unit: U/l
Quick Explanation
Creatine kinase is mainly found in heart and skeletal muscle and rises with muscle damage, for example after intense physical exertion, but also with a heart attack. CK-MB or troponin is often measured additionally for more precise assessment.
📊 Reference Values
ℹ️ Reference ranges may vary slightly between laboratories. Always compare your value with the reference range from your own lab report.
🔍 Possible Causes
Value too high — possible causes
- ·Intense physical exertion
- ·Muscle injury
- ·Heart attack
- ·Certain medications (e.g. statins)
This list shows possible causes — not a diagnosis. Only your doctor can correctly interpret your result.
🩺 Questions for Your Doctor
- →Is my elevated CK from muscle or the heart?
- →Should CK-MB or troponin also be measured?
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Medical Disclaimer
The content on this page is for general information only and does not replace professional medical advice, diagnosis, or treatment. Always consult your doctor or pharmacist for health-related questions. Lab values should always be assessed in the context of your personal medical history.