Test guide
Creatine Kinase
This test measures the amount of creatine kinase (CK) in a sample of your blood. CK is also called creatine phosphokinase (CPK).
What it is for
A CK test is most often used to help diagnose and monitor: In certain cases, a CK test may be used to help diagnose a heart attack. Another blood test, called a troponin test is used more often. That's because troponin testing is better at finding damage to the heart muscle from a heart attack . Source: MedlinePlus, National Library of Medicine. Medical test information is public domain. Source identity and definition checked automatically on 2026-10-18. No individual clinical interpretation or human reviewer is asserted.
Limitations
Reference intervals and interpretation depend on the laboratory, specimen, method and clinical context. This source definition is educational information; it does not establish a diagnosis, product approval or suitability for an individual.
Also known as
- CK, total CK, creatine phosphokinase, CPK
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