Test guide
Ceruloplasmin Test
A ceruloplasmin test measures the amount of ceruloplasmin in a sample of your blood. Your liver makes ceruloplasmin by attaching copper to a protein. Your liver releases the ceruloplasmin into your bloodstream so it can carry copper to the parts of your body that need it.
What it is for
A ceruloplasmin test is most often used with other tests to help diagnose Wilson disease . Wilson disease is a rare genetic disorder that prevents the body from removing extra copper. Wilson disease can lead to a harmful buildup of copper in the liver, brain, eyes, and other organs. The high levels of copper can severely damage organs and become life-threatening 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
- CP, ceruloplasmin blood test, ceruloplasmin, serum, copper oxidase, ferroxidase
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