At a Glance
Why Get Tested?
To determine if muscles in your body have been damaged. Previously used to determine if you are having a heart attack.
When to Get Tested?
If you have chest pain or muscle pain and weakness
A blood sample drawn from a vein in the arm
The Test Sample
What is being tested?
- CK-MB (found mostly in your heart muscle)
- CK-BB (found mostly in your brain)
- CK-MM (found in your heart and skeletal muscles)
CK in the blood comes mainly from your muscles. The CK in your brain almost never gets into the blood.
How is the sample collected for testing?
A blood sample is taken by needle from the arm.
Is any test preparation needed to ensure the quality of the sample?
No test preparation is needed.
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NOTE: This article is based on research that utilizes the sources cited here as well as the collective experience of the Lab Tests Online Editorial Review Board. This article is periodically reviewed by the Editorial Board and may be updated as a result of the review. Any new sources cited will be added to the list and distinguished from the original sources used.